Lake County, CA — Planting Guide
Your July planting checklist for Lake County, California
Here's what deserves your attention in Lake County, California this month. Everything below is tailored to Zone 9a and timed around your local frost dates.
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Bring in the basil, peppers, and thai basil
Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.
Before August arrives, get these ready
- First harvests: ageratum, alpine strawberries, and anise
Lake County is in USDA Zone 9a. The average last spring frost is March 2 and the first fall frost is November 27, giving you a growing season of approximately 270 days.
At an elevation of 154 ft, Lake County receives approximately 30.4 in of rainfall annually. Summer highs average 83°F with winter lows around 47°F. The predominant soil type is Sandy Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 94 days year to year — ranging from January 13 in warm years to April 17 in cold years. The growing season is trending longer by about 2.57 days per decade. Lake County scores 62/100 (Good) on the Microclimate Index.
🌡️ Zone
9a (20°F to 25°F min)
❄️ Last Frost
March 2
🍂 First Frost
November 27
📅 Growing Season
270 days
⛰️ Elevation
154 ft
🌧️ Annual Rainfall
30.4 in
Monthly Watering Calendar for Lake County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Quick context: Most vegetables want about 1 inch of water per week. Lake County gets 30" a year — months that hit that 1"/week need zero supplemental watering; months that fall short, the table tells you how much to add. Saves you from drowning roots and from drought-stressing plants into bolting.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 6.2 in | 9 days | — | None |
| Feb | 6.5 in | 10 days | — | Low |
| Mar | 4.6 in | 7 days | — | Low |
| Apr | 2.7 in | 4 days | 1.6 in | High |
| May | 0.8 in | 2 days | 3.5 in | Critical |
| Jun | 0.2 in | 0 days | 4.1 in | Critical |
| Jul | 0 in | 0 days | 4.3 in | Critical |
| Aug | 0 in | 0 days | 4.3 in | Critical |
| Sep | 0.3 in | 1 days | 4 in | Critical |
| Oct | 1.1 in | 3 days | 3.2 in | Critical |
| Nov | 3 in | 5 days | 1.3 in | Moderate |
| Dec | 5.1 in | 8 days | — | None |
Annual total: 30.5 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.
Lake County Soil Profile
Soil Type
Sandy Loam
Soil pH
6.1-6.9
Drainage
Well Drained
Frost Risk Probability
Based on 31 years of NOAA weather station data from 3 stations
Beginners: Plant frost-sensitive crops (tomatoes, peppers, squash) after the "Safe" date on the left. Harvest or cover them before the "Protect by" date on the right. Hardy crops (lettuce, peas, kale) can go in the yellow transition zones.
How to read this table: "Conservative" means you're safe from frost 9 out of 10 years — best for beginners and frost-sensitive crops. "Average year" is the typical date. "Aggressive" means only 1 in 10 years is that warm — experienced gardeners with frost protection can try these dates.
| Planting Strategy | Last Spring Frost | First Fall Frost | Frost-Free Days |
|---|---|---|---|
| Conservative (safest) | Apr 17 | Dec 14 | 241 days |
| Cautious | Mar 13 | Dec 3 | 265 days |
| Average year | Mar 2 | Nov 27 | 270 days |
| Optimistic | Feb 14 | Nov 19 | 278 days |
| Aggressive (risky) | Jan 13 | Nov 9 | 300 days |
Not very — frost dates can vary by ±94 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Yes — growing seasons are getting longer here (about 2.6 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Lake County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Lake County
Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Lake County's climate and soil.
County Extension Office
Lake County University of California Cooperative Extension Extension Office
Phone: 530-750-1200
Visit Extension Office Website →
Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.
Master Gardener Program
Free gardening help from trained volunteers
Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.
Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.
Soil Testing
Available through your extension office
Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.
Services Available in Lake County
Finding local nurseries & garden centers in Lake County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Lake County's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.
How to Find Them
Search for "nurseries near Lake County CA" or "garden center Lake County" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.
Community gardens & gardening groups
Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Lake County CA" or check your extension office and local parks department. Facebook groups like "Lake County Gardeners" or "California Gardening" are also excellent for local advice and plant swaps.
What to Plant After Your Harvest
After your first crops finish, use the remaining frost-free days to grow a second round.
Show 6 more succession options
Sunlight & Day Length in Lake County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
For new gardeners: A 14-hour day in June produces dramatically more photosynthesis than a 10-hour day in November. Lake County's seasonal swing determines which crops can pack growth into spring vs. limp through fall.
Longest Day
14.7 hours
Summer solstice daylight
Shortest Day
9.3 hours
Winter solstice daylight
Peak Sun Hours
13.9 hr/day peak (summer)
Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.
Onion tip: Your long summer days (14+ hours) support long-day onion varieties like Walla Walla, Sweet Spanish, and Ailsa Craig.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 9.5 hr | 5.6 hr | Short day |
| February | 10.5 hr | 6.2 hr | Short day |
| March | 11.7 hr | 7.7 hr | Short day |
| April | 13 hr | 9.6 hr | Neutral |
| May | 14.1 hr | 11.1 hr | Long day |
| June | 14.7 hr | 12.6 hr | Long day |
| July | 14.5 hr | 13.9 hr | Long day |
| August | 13.5 hr | 12.1 hr | Neutral |
| September | 12.2 hr | 10.2 hr | Neutral |
| October | 10.9 hr | 8.5 hr | Short day |
| November | 9.8 hr | 6 hr | Short day |
| December | 9.3 hr | 5.1 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Lake County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Quick context: Soil temperature predicts plant emergence better than calendar dates. Lake County's spring soil warm-up curve tells you which weeks are safe for direct-sow beans, cucumbers, squash, and corn.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Apr through Nov.
Best Month to Compost
May
Microbial activity peaks when soil is warm.
Active Composting
9 months
Nearly year-round composting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 45°F | 51°F | 🐢 Slow | ~24 weeks |
| Feb | 46°F | 51°F | 🐢 Slow | ~24 weeks |
| Mar | 52°F | 54°F | ♻️ Active | ~14 weeks |
| Apr | 63°F | 61°F | ♻️ Active | ~14 weeks |
| May | 71°F | 71°F | 🔥 Peak | ~8 weeks |
| Jun | 81°F | 77°F | 🔥 Peak | ~8 weeks |
| Jul | 89°F | 84°F | 🔥 Peak | ~8 weeks |
| Aug | 90°F | 86°F | 🔥 Peak | ~8 weeks |
| Sep | 83°F | 85°F | 🔥 Peak | ~8 weeks |
| Oct | 71°F | 76°F | 🔥 Peak | ~8 weeks |
| Nov | 61°F | 65°F | ♻️ Active | ~14 weeks |
| Dec | 50°F | 56°F | 🐢 Slow | ~24 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Lake County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
For new gardeners: Warm humid regions cycle through pest generations 3-5x faster than cold dry regions. Lake County's pest score is your early-warning system: high score means commit to disease-resistant varieties and accept some crop loss to bugs.
Insect Pest Pressure
High — expect multiple pest generations. Preventative measures essential.
Disease Risk
Low disease risk — dry conditions reduce fungal problems.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | High | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| Squash vine borers | High | May, Jun, Jul |
| Stink bugs | High | Apr, May, Jun, Jul, Aug, Sep, Oct |
| Whiteflies | Moderate | May, Jun, Jul, Aug, Sep, Oct |
| Spider mites | High | Jun, Jul, Aug, Sep |
| Fire ants | Low | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
Organic pest management tips
- Use row covers on susceptible crops during peak pest months
- Apply neem oil preventatively every 7-14 days during active pest season
- Interplant with strong-scented herbs (basil, marigold) to confuse pests
- Hand-pick larger pests (beetles, caterpillars) in early morning when they're sluggish
- Practice crop rotation — never plant the same family in the same spot within 3 years
Cover Crops for Lake County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
The practical takeaway: Cover crops fix nitrogen by hosting bacteria that pull it from the air. A vigorous legume cover crop can deliver 50-150 lbs/acre of nitrogen — meaningful for the next vegetable season.
Spring Cover Crops (4 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Mar 7 | Sep 25 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Cowpeas (southern peas) | Mar 5 | Sep 25 | ✓ Yes | Excellent nitrogen fixer for warm climates, edible |
| Sorghum-sudan grass | Mar 11 | Sep 25 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Feb 5 | Oct 2 | ✓ Yes | Living mulch, fixes nitrogen, permanent ground cover |
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Sunflowers | Apr 2 | Nov 6 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (7 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Sep 19 | Feb 9 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Sep 26 | Feb 9 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Oct 11 | Feb 9 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Sep 10 | Feb 9 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Oct 19 | Feb 16 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Aug 21 | Feb 16 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Aug 25 | Feb 9 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Lake County
Quick context: Wind dries soil, knocks over young transplants, and disrupts pollination for bees and butterflies. Lake County averages 10.8 mph — above 10 mph means windbreaks (shrubs, fences, taller crops to windward), staked tomatoes from day one, and an extra round of watering during dry windy spells. Lower wind = lower water bills and fewer broken stems.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 12 mph Summer: 11 mph
Fall: 8 mph Winter: 11 mph
Prevailing wind: W. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
4.9/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Moderate
Some terrain variation (447 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.
Rainwater Harvesting in Lake County
How much water you can collect, when to collect it, and what size system you need for your garden.
What this means for you: A gravity-fed rain barrel ($75) is the easy entry. A larger cistern ($500-1500) covers a whole growing season. Lake County's 30" annual rainfall determines whether the larger system is overkill or essential.
Annual Collection
15,201 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
6 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 2,250 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
Jan, Feb, Mar, Dec
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
May, Jun, Jul, Aug, Sep
Dry months when you'll rely on stored water — size your storage for this gap.
Rainwater collection tips for your area
- Your county receives approximately 30.5 inches of rain per year
- A 1,000 sq ft roof can collect roughly 15,201 gallons annually
- Rainwater harvesting is fully legal in your state
- Stock up on stored water before your dry season (May, Jun, Jul)
- Use a first-flush diverter to keep roof debris out of your collection
Soil & Growing Conditions in Lake County
Soil Type
Sandy Loam
Soil pH 6.1–6.9 · Moderately Well Drained drainage
Good candidate for raised beds to maximise drainage and extend the season.
Watering Needs
Drought stress: 1.5/10
Lake County has very low drought pressure. Natural rainfall usually meets garden needs — water only during extended dry spells.
Season Tips
270-day frost-free season
Your long season supports multiple successions and heat-demanding crops like melons, sweet potatoes, and peppers. Plant warm-season crops as soon as soil warms.
Your Free Printable Garden Planner
Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.
Recommended for Your Garden
Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.
Retain moisture and nutrients in sandy soils with expanded vermiculite.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
🥬 Vegetables to Grow in Lake County
114 vegetables that grow well in Zone 9a with planting dates for Lake County.
Show all 114 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 1 – Jul 6 | 80–100 |
| Amaranth | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 90–120 |
| Artichoke | — | — | Mar 16 | — | Jul 20 – Sep 28 | 120–180 |
| Arugula | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – Jun 8 | 30–50 |
| Asparagus | — | — | Mar 16 | — | — | 730–1095 |
| Beets | — | Feb 9 | — | Oct 2 | Apr 6 – May 4 | 50–70 |
| Belgian Endive | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Jun 22 – Aug 17 | 110–150 |
| Bitter Melon | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jun 22 | 60–90 |
| Black Beans | — | Mar 9 | — | — | Jun 8 – Jul 27 | 90–120 |
| Bok Choy | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 13 – May 18 | 40–60 |
| Broccoli | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 4 – Jun 15 | 60–90 |
| Broccoli Rabe | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 13 – May 18 | 40–60 |
| Brussels Sprouts | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Jun 1 – Jul 27 | 90–130 |
| Butternut Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 13 | 85–110 |
| Cabbage | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 4 – Jun 29 | 60–100 |
| Calabash | Jan 19 | Mar 2 | Mar 9 | — | Jun 1 – Jul 27 | 80–120 |
| Cardoon | — | — | Mar 16 | — | Jul 20 – Aug 31 | 120–150 |
| Carrots | — | Feb 9 | — | Oct 2 | Apr 13 – May 18 | 60–80 |
| Cauliflower | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 29 | 55–100 |
| Celeriac | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Jun 15 – Jul 20 | 100–120 |
| Celery | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 25 – Jul 20 | 80–120 |
| Celtuce | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 4 – Jun 15 | 60–90 |
| Chard | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 15 | 50–60 |
| Chayote | Jan 19 | Mar 2 | Mar 9 | — | Jul 13 – Sep 21 | 120–180 |
| Chickpeas | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 25 – Jul 6 | 80–110 |
| Chicory | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 4 – Jun 15 | 60–85 |
| Chinese Cabbage | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – May 25 | 50–70 |
| Christmas Lima Beans | Jan 19 | Mar 2 | Mar 9 | — | Jun 1 – Jul 6 | 80–100 |
| Collard Greens | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 29 | 55–75 |
| Corn | — | Mar 9 | — | — | May 11 – Jul 6 | 60–100 |
| Cowpeas | — | Mar 9 | — | — | May 11 – Jun 22 | 60–90 |
| Cress | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Mar 16 – Apr 6 | 14–21 |
| Crookneck Squash | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – May 25 | 45–60 |
| Crosne | — | Feb 9 | — | Oct 2 | Jul 13 – Sep 14 | 150–200 |
| Cucumber | Feb 2 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 50–70 |
| Daikon | — | Feb 9 | — | Oct 2 | Apr 6 – May 4 | 50–70 |
| Delicata Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 1 – Jul 6 | 80–100 |
| Edamame | — | Mar 9 | — | — | May 25 – Jul 6 | 75–100 |
| Eggplant | Jan 19 | Mar 2 | Mar 9 | — | May 18 – Jul 20 | 65–85 |
| Endive | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 20 – May 25 | 45–65 |
| Escarole | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – May 25 | 50–70 |
| Fava Beans | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 18 – Jun 29 | 75–100 |
| Fennel | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jun 22 | 60–90 |
| Garlic | — | — | — | Oct 16 | Jan 15 – Jul 2 | 90–240 |
| Ginger | Jan 19 | Mar 2 | Mar 9 | — | Nov 9 – Jan 4 | 240–300 |
| Green Beans | — | Mar 9 | — | — | May 4 – Jun 29 | 50–65 |
| Horseradish | — | — | Mar 16 | — | Jul 20 – Sep 28 | 120–180 |
| Hot Peppers | Jan 19 | Mar 2 | Mar 9 | — | May 18 – Aug 24 | 70–120 |
| Hubbard Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 22 – Jul 27 | 100–120 |
| Jicama | Jan 19 | Mar 2 | Mar 9 | — | Jul 13 – Sep 21 | 120–180 |
| Kabocha | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 6 | 85–100 |
| Kai Lan | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 20 – May 18 | 45–60 |
| Kale | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 22 | 50–70 |
| Kidney Beans | — | Mar 9 | — | — | Jun 8 – Jul 13 | 85–110 |
| Kohlrabi | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 20 – May 25 | 45–65 |
| Komatsuna | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – May 11 | 35–50 |
| Leeks | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Jun 1 – Aug 17 | 90–150 |
| Lentils | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 25 – Jul 6 | 80–110 |
| Lettuce | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – Jun 15 | 30–60 |
| Lima Beans | — | Mar 9 | — | — | May 11 – Jun 22 | 60–90 |
| Loofah | Jan 19 | Mar 2 | Mar 9 | — | Jun 22 – Aug 24 | 100–150 |
| Luffa | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Aug 24 | 90–150 |
| Mache | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 13 – May 18 | 40–60 |
| Malabar Spinach | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 1 | 55–70 |
| Melon | Feb 2 | Mar 2 | Mar 9 | — | May 18 – Jul 6 | 70–100 |
| Microgreens | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Mar 9 – Apr 6 | 7–21 |
| Mitsuba | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 20 – Jun 15 | 50–70 |
| Mizuna | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – May 4 | 30–45 |
| Mustard Greens | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – Jun 8 | 30–50 |
| Napa Cabbage | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 1 | 55–75 |
| New Zealand Spinach | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 1 | 55–70 |
| Okra | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 50–65 |
| Onion | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Jun 1 – Jul 20 | 90–120 |
| Pac Choi | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 13 – May 11 | 40–55 |
| Parsnip | — | Feb 9 | — | Oct 2 | May 25 – Jul 6 | 100–130 |
| Patty Pan Squash | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – May 25 | 45–60 |
| Peas | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 22 | 55–70 |
| Peppers | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Pole Beans | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 55–70 |
| Potatoes | Jan 19 | Mar 2 | Mar 9 | — | May 18 – Jul 27 | 70–120 |
| Pumpkin | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 85–120 |
| Purslane | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 13 – May 18 | 40–60 |
| Radicchio | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 4 – Jun 8 | 60–80 |
| Radish | — | Feb 9 | — | Oct 2 | Mar 9 – Mar 30 | 22–35 |
| Romanesco | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 18 – Jun 29 | 75–100 |
| Rutabaga | — | Feb 9 | — | Oct 2 | May 4 – Jun 8 | 80–100 |
| Salsify | — | Feb 9 | — | Oct 2 | May 25 – Jul 6 | 100–130 |
| Savoy Cabbage | Feb 2 | Feb 9 | Mar 2 | Oct 2 | May 11 – Jul 6 | 70–110 |
| Scallions | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – May 25 | 50–70 |
| Scarlet Runner Beans | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jun 15 | 60–80 |
| Shallot | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Jun 1 – Jul 20 | 90–120 |
| Shiso | Jan 19 | Mar 9 | Mar 9 | — | May 4 – Jun 29 | 50–70 |
| Snap Peas | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 29 | 55–70 |
| Snow Peas | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 27 – Jun 22 | 50–65 |
| Soybeans | — | Mar 9 | — | — | Jun 1 – Jul 27 | 80–120 |
| Spaghetti Squash | Feb 2 | Mar 2 | Mar 9 | — | Jun 8 – Jul 6 | 85–100 |
| Spinach | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – Jun 8 | 35–50 |
| Squash (Summer) | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – Jun 29 | 45–65 |
| Squash (Winter) | Feb 2 | Mar 2 | Mar 9 | — | Jun 1 – Jul 27 | 80–120 |
| Sunchoke | — | — | Mar 16 | — | Jul 6 – Aug 31 | 110–150 |
| Sweet Corn | — | Mar 9 | — | — | May 11 – Jun 22 | 60–90 |
| Sweet Potatoes | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 90–120 |
| Tatsoi | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 6 – May 11 | 35–50 |
| Tomatillo | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jul 20 | 60–85 |
| Tomatoes | Jan 19 | Mar 2 | Mar 9 | — | May 11 – Jul 20 | 60–85 |
| Turmeric | Jan 19 | Mar 2 | Mar 9 | — | Nov 9 – Jan 4 | 240–300 |
| Turnip | — | Feb 9 | — | Oct 2 | Mar 23 – Apr 27 | 40–60 |
| Watercress | Feb 2 | Feb 9 | Mar 2 | Oct 2 | Apr 13 – May 18 | 40–60 |
| Watermelon | Feb 2 | Mar 2 | Mar 9 | — | May 18 – Jul 6 | 70–100 |
| Wax Beans | — | Mar 9 | — | — | May 4 – Jun 29 | 50–65 |
| Winter Melon | Jan 19 | Mar 2 | Mar 9 | — | Jun 8 – Jul 27 | 90–120 |
| Yam | Jan 19 | Mar 2 | Mar 9 | — | Sep 7 – Jan 4 | 180–330 |
| Yard Long Beans | Jan 19 | Mar 2 | Mar 9 | — | May 4 – Jun 15 | 55–80 |
| Zucchini | Feb 2 | Mar 2 | Mar 9 | — | Apr 27 – Jun 22 | 45–60 |
🍓 Fruits to Grow in Lake County
24 fruits that grow well in Zone 9a with planting dates for Lake County.
Show all 24 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Mar 16 | — | Jun 15 – Sep 28 | 90–180 |
| Blackberries | — | — | Mar 16 | — | — | 365–730 |
| Boysenberries | — | — | Mar 16 | — | — | 365–730 |
| Cantaloupe | — | — | Mar 16 | — | May 25 – Jun 29 | 70–90 |
| Che Fruit | — | — | Mar 16 | — | — | 1095–1825 |
| Dragon Fruit | — | — | Mar 16 | — | — | 365–730 |
| Elderberries | — | — | Mar 16 | — | — | 730–1095 |
| Figs | — | — | Mar 16 | — | — | 730–1825 |
| Goji Berries | — | — | Mar 16 | — | — | 730–1095 |
| Grapes | — | — | Mar 16 | — | — | 730–1095 |
| Ground Cherry | — | — | Mar 16 | — | May 25 – Jul 20 | 65–80 |
| Guava | — | — | Mar 16 | — | — | 365–730 |
| Honeydew | — | — | Mar 16 | — | Jun 8 – Jul 20 | 80–110 |
| Kiwi | — | — | Mar 16 | — | — | 1095–1825 |
| Loquat | — | — | Mar 16 | — | — | 730–1825 |
| Mulberries | — | — | Mar 16 | — | — | 730–1825 |
| Passion Fruit | — | — | Mar 16 | — | — | 365–545 |
| Pawpaw | — | — | Mar 16 | — | — | 1095–2555 |
| Persimmon | — | — | Mar 16 | — | — | 1095–2555 |
| Pomegranate | — | — | Mar 16 | — | — | 730–1095 |
| Quince | — | — | Mar 16 | — | — | 1095–1825 |
| Raspberries | — | — | Mar 16 | — | — | 365–730 |
| Serviceberries | — | — | Mar 16 | — | — | 730–1095 |
| Strawberries | — | — | Mar 16 | — | Jun 15 – Jan 11 | 90–365 |
🌿 Herbs to Grow in Lake County
37 herbs that grow well in Zone 9a with planting dates for Lake County.
Show all 37 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Anise | Feb 2 | Feb 9 | Feb 23 | Oct 2 | May 25 – Aug 10 | 90–120 |
| Basil | Jan 19 | Mar 9 | Mar 9 | — | May 4 – Jul 6 | 50–75 |
| Bee Balm | — | — | Mar 9 | — | Jun 8 – Aug 24 | 90–120 |
| Borage | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 20 – Jun 8 | 50–60 |
| Caraway | Feb 2 | Feb 9 | Feb 23 | Oct 2 | — | 365–450 |
| Catnip | — | — | Mar 9 | — | May 11 – Jul 13 | 60–80 |
| Chamomile | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 27 – Jul 6 | 60–90 |
| Chervil | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 6 – Jun 8 | 40–60 |
| Chives | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Cilantro | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 6 – Jun 8 | 40–60 |
| Comfrey | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Cumin | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Jun 8 – Aug 10 | 100–120 |
| Dill | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 6 – Jun 8 | 40–60 |
| Epazote | Jan 19 | Mar 9 | Mar 9 | — | Apr 27 – Jun 22 | 45–60 |
| Fennel (herb) | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 27 – Jul 6 | 60–90 |
| Feverfew | — | — | Mar 9 | — | Jun 8 – Aug 24 | 90–120 |
| Garlic Chives | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Horehound | — | — | Mar 9 | — | May 25 – Jul 20 | 75–90 |
| Hyssop | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Lemon Balm | — | — | Mar 9 | — | May 11 – Jun 29 | 60–70 |
| Lemon Thyme | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Lemon Verbena | Jan 19 | Mar 9 | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Lemongrass | Jan 19 | Mar 9 | Mar 9 | — | May 25 – Aug 24 | 75–120 |
| Marjoram | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Mint | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Oregano | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Parsley | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 27 – Jun 29 | 60–80 |
| Rosemary | — | — | Mar 9 | — | Jun 1 – Oct 19 | 80–180 |
| Rue | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Sage | — | — | Mar 9 | — | May 25 – Jul 20 | 75–90 |
| Savory | — | — | Mar 9 | — | May 4 – Jun 29 | 50–70 |
| Sorrel | Feb 2 | Feb 9 | Feb 23 | Oct 2 | Apr 6 – Jun 8 | 40–60 |
| Stevia | Jan 19 | Mar 9 | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Tarragon | — | — | Mar 9 | — | May 11 – Jul 20 | 60–90 |
| Thai Basil | Jan 19 | Mar 9 | Mar 9 | — | May 4 – Jul 6 | 50–75 |
| Thyme | — | — | Mar 9 | — | May 18 – Jul 20 | 70–90 |
| Valerian | — | — | Mar 9 | — | Jul 13 – Oct 19 | 120–180 |
🌸 Flowers to Grow in Lake County
49 flowers that grow well in Zone 9a with planting dates for Lake County.
Show all 49 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Jan 19 | Feb 16 | Feb 16 | — | Apr 13 – Sep 28 | 60–75 |
| Alliums | — | — | — | Oct 30 | Nov 27 – Dec 18 | 28–42 |
| Anemones | — | — | — | Oct 2 | Oct 9 – Nov 6 | 90–120 |
| Bachelor's Button | — | Jan 5 | Feb 2 | Sep 18 | Mar 30 – Jul 20 | 60–90 |
| Begonias | Dec 22 | — | Feb 9 | — | Apr 20 – Oct 19 | 70–90 |
| Black-eyed Susan | Jan 5 | Feb 16 | Feb 16 | — | Apr 27 – Sep 14 | 60–80 |
| Bleeding Hearts | Jan 5 | — | Feb 16 | — | Apr 6 – Apr 27 | 60–90 |
| Calendula | — | Jan 5 | Feb 2 | Sep 4 | Mar 16 – Jul 20 | 50–70 |
| California Poppy | — | — | — | Sep 4 | Nov 13 – Mar 19 | 60–90 |
| Celosia | Feb 2 | Feb 16 | Feb 16 | — | Apr 20 – Oct 26 | 60–90 |
| Columbine | Jan 5 | Feb 16 | Feb 16 | — | Apr 6 – Apr 27 | 70–100 |
| Coreopsis | Jan 5 | Feb 16 | Feb 16 | — | Apr 13 – Sep 14 | 60–80 |
| Cosmos | Feb 2 | Feb 2 | Feb 2 | — | Apr 13 – Sep 28 | 60–90 |
| Daffodils | — | — | — | Oct 30 | Oct 16 – Nov 6 | 20–40 |
| Dahlias | — | Mar 2 | Mar 2 | — | May 11 – Nov 9 | 70–120 |
| Daylily | Jan 5 | — | Feb 16 | — | Apr 27 – Oct 12 | 60–90 |
| Dianthus | Jan 5 | Jan 5 | Jan 5 | — | Feb 23 – Apr 27 | 60–80 |
| Echinacea (Purple Coneflower) | Jan 5 | Feb 16 | Feb 16 | — | Apr 27 – Sep 14 | 70–90 |
| Foxglove | Jan 5 | Feb 16 | Feb 16 | — | Apr 6 – Apr 27 | 80–120 |
| Freesia | — | — | — | Oct 16 | Oct 30 – Nov 27 | 84–112 |
| Gaillardia (Blanket Flower) | Jan 19 | Feb 16 | Feb 16 | — | Apr 27 – Oct 26 | 70–100 |
| Geraniums | Dec 22 | — | Feb 9 | — | Apr 20 – Oct 19 | 70–100 |
| Gladiolus | — | Mar 2 | Mar 2 | — | May 11 – Nov 9 | 70–100 |
| Hostas | Jan 5 | — | Feb 16 | — | Apr 27 – Aug 17 | 60–90 |
| Hyacinths | — | — | — | Oct 30 | Oct 30 – Nov 20 | 14–28 |
| Hydrangeas | Jan 5 | — | Feb 16 | — | Apr 27 – Aug 17 | 90–150 |
| Impatiens | Jan 5 | — | Feb 16 | — | Apr 27 – Oct 12 | 60–75 |
| Irises | — | Division | Feb 16 | — | Apr 6 – May 11 | 60–100 |
| Larkspur | — | — | — | Sep 18 | Nov 27 – Mar 19 | 60–90 |
| Lavender | Jan 5 | — | Feb 16 | — | Apr 27 – Aug 3 | 90–120 |
| Lilies | — | Division | Feb 16 | — | Apr 27 – Aug 3 | 70–120 |
| Lobelia | Jan 5 | — | Jan 5 | — | Mar 2 – Mar 30 | 70–80 |
| Marigolds | Jan 26 | Feb 16 | Feb 16 | — | Apr 13 – Sep 14 | 50–70 |
| Nasturtium | Feb 2 | Feb 9 | Feb 9 | — | Apr 6 – Oct 5 | 55–65 |
| Pansy | Dec 22 | — | Feb 2 | Sep 4 | Mar 23 – Jun 22 | 70–90 |
| Petunia | Jan 5 | — | Feb 16 | — | Apr 27 – Sep 28 | 70–90 |
| Phlox | Jan 5 | Feb 16 | Feb 16 | — | Apr 27 – Jun 22 | 80–110 |
| Portulaca | Feb 2 | Feb 16 | Feb 16 | — | Apr 6 – Oct 12 | 50–70 |
| Ranunculus | — | — | — | Oct 2 | Oct 16 – Nov 13 | 90–120 |
| Roses | Jan 5 | — | Feb 16 | — | Apr 27 – Oct 12 | 90–180 |
| Salvia | Jan 5 | — | Feb 9 | — | Apr 20 – Oct 5 | 70–90 |
| Sedum (Stonecrop) | Jan 5 | — | Feb 16 | — | Jun 8 – Aug 17 | 60–90 |
| Snapdragon | — | Jan 5 | Feb 2 | Sep 4 | Apr 6 – Aug 3 | 70–100 |
| Sunflower | Feb 9 | Feb 9 | Feb 9 | — | May 4 – Oct 5 | 70–100 |
| Sweet Alyssum | — | Jan 5 | Feb 2 | Sep 18 | Mar 9 – Jun 22 | 45–60 |
| Sweet Pea | — | — | — | Sep 18 | Nov 27 – Jan 22 | 65–85 |
| Vinca (Annual) | Dec 22 | — | Feb 9 | — | Apr 20 – Oct 19 | 70–90 |
| Yarrow | Jan 5 | Feb 16 | Feb 16 | — | Apr 13 – Aug 31 | 60–90 |
| Zinnia | Feb 2 | Feb 9 | Feb 9 | — | Apr 20 – Oct 5 | 60–70 |
Monthly Planting Guide for Lake County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Lake County.
Frequently Asked Questions
What planting zone is Lake County, CA?
Lake County is in USDA Hardiness Zone 9a. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.
When is the last frost in Lake County, CA?
Based on 31 years of NOAA weather station data, the median last spring frost in Lake County falls around March 2. In 8 out of 10 years, last frost lands between January 13 and April 17 — a 94-day window of variability. Use April 17 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Lake County, CA?
The median first fall frost in Lake County arrives around November 27. In cold years it can arrive as early as November 9; in mild years as late as December 14. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Lake County?
Lake County has a frost-free growing season of approximately 270 days. This long season supports multiple succession plantings and warm-season crops that need extended heat, like sweet potatoes and melons. Climate records show the growing season is trending longer by about 2.57 days per decade.
What is the soil like in Lake County for gardening?
Lake County has predominantly Sandy Loam soil with a pH range of 6.1–6.9 and Moderately Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Lake County?
Lake County has commercial agriculture that includes Almonds, Grapes, Dairy, Tomatoes, Rice. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Lake County a good location for home gardening?
Lake County scores 62/100 (Good) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Conditions here are moderate — most common crops grow well with standard timing and care.
Your Lake County Garden Planner — Free
A 22-page printable planner built for Lake County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
- Full seed-starting + planting schedule with timing and spacing
- Bonus: square-foot gardening guide + printable seasonal planners
Seed Saving & Storage Guide
Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.
- 200 plants, step-by-step: life cycle, pollination type, isolation
- Exact temperature + humidity ranges that keep seeds viable
- Bonus: searchable Google Sheets tracker + custom GPT assistant
Composting Guide for Homesteaders
Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.
- 14 sections on composting methods, soil science, and troubleshooting
- The 7-step hot-compost system from start to finish
- Bonus tools: troubleshooting chart, safety guide, monitoring log