Butte County, ID — Planting Guide
June in Butte County, Idaho — your action list
Your Butte County, Idaho garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.
-
Plant out basil, cucumber, and kale
Your last frost (June 1) has passed. These warm-season crops can handle outdoor soil now.
-
Direct-sow basil, cucumber, and green beans
Sow every 2 weeks for a continuous harvest. A single big planting means a single big glut.
-
Start anemones, cosmos, and dahlias under lights
A seed-starting mix and a sunny window (or a grow light) are all you need. Keep soil warm — around 70°F — for fast germination.
-
Collect radish, cress, and microgreens at their peak
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
July will be here before you know it — start on
- Starting indoors: basil, cucumber, and kale
- First harvests: carrots, kale, and lettuce
- Fall sowing: carrots, kale, and lettuce
Butte County is in USDA Zone 5a. The average last spring frost is June 1 and the first fall frost is September 14, giving you a growing season of approximately 105 days.
At an elevation of 7,254 ft, Butte County receives approximately 24 in of rainfall annually. Summer highs average 84°F with winter lows around 3°F. The predominant soil type is Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 39 days year to year — ranging from May 8 in warm years to June 17 in cold years. Butte County scores 49/100 (Moderate) on the Microclimate Index.
🌡️ Zone
5a (-20°F to -15°F min)
❄️ Last Frost
June 1
🍂 First Frost
September 14
📅 Growing Season
105 days
⛰️ Elevation
7,254 ft
🌧️ Annual Rainfall
24 in
Monthly Watering Calendar for Butte County
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
What this means for you: Plants need different amounts of water at different growth stages — heavy at flowering and fruit-set, lighter at establishment. Butte County's 24" annual rainfall is your starting math; the timing tells you when natural rain will cover you and when you need to step in.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.8 in | 8 days | — | None |
| Feb | 1.4 in | 5 days | — | None |
| Mar | 2.1 in | 7 days | — | None |
| Apr | 2.4 in | 8 days | 1.9 in | High |
| May | 3 in | 8 days | 1.3 in | Moderate |
| Jun | 1.9 in | 4 days | 2.4 in | High |
| Jul | 1.9 in | 5 days | 2.4 in | High |
| Aug | 2.7 in | 6 days | 1.6 in | High |
| Sep | 1.7 in | 6 days | 2.6 in | High |
| Oct | 2.2 in | 5 days | 2.1 in | High |
| Nov | 1.6 in | 5 days | — | None |
| Dec | 1.4 in | 6 days | — | None |
Annual total: 24.1 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.
Butte County Soil Profile
Soil Type
Loam
Soil pH
6.8-8.4
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) | Jun 17 | Oct 5 | 110 days |
| Cautious | Jun 9 | Sep 21 | 104 days |
| Average year | Jun 1 | Sep 14 | 105 days |
| Optimistic | May 21 | Sep 8 | 110 days |
| Aggressive (risky) | May 8 | Sep 2 | 117 days |
Not very — frost dates can vary by ±39 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Slightly — seasons are trending a bit longer (0.4 days/decade). Historical frost dates are still reliable for planning.
Gardening Difficulty Score
Butte County presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Butte 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 Butte County's climate and soil.
County Extension Office
Butte County University of Idaho Extension Extension Office
Phone: 208-885-6681
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 Butte County
Finding local nurseries & garden centers in Butte County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Butte 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 Butte County ID" or "garden center Butte 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 Butte County ID" or check your extension office and local parks department. Facebook groups like "Butte County Gardeners" or "Idaho 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.
Sunlight & Day Length in Butte County
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
For new gardeners: The longest day at Butte County's latitude gets longer the further north you go. Strawberries, garlic, onions all care. The shortest day gets shorter — which limits winter growing for greens without artificial light.
Longest Day
15.2 hours
Summer solstice daylight
Shortest Day
8.8 hours
Winter solstice daylight
Peak Sun Hours
10.6 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 | 9.1 hr | 5.2 hr | Short day |
| February | 10.3 hr | 6.3 hr | Short day |
| March | 11.6 hr | 7 hr | Short day |
| April | 13.2 hr | 7.5 hr | Neutral |
| May | 14.5 hr | 9 hr | Long day |
| June | 15.2 hr | 10.6 hr | Long day |
| July | 14.9 hr | 10.4 hr | Long day |
| August | 13.8 hr | 9.7 hr | Neutral |
| September | 12.3 hr | 8.9 hr | Neutral |
| October | 10.8 hr | 7.2 hr | Short day |
| November | 9.4 hr | 5.7 hr | Short day |
| December | 8.8 hr | 4.6 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Butte County
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
For new gardeners: Soil heats slower than air in spring and cools slower in fall. That's why "warm" April air doesn't mean "plant tomatoes" — soil still trails by weeks. Butte County's monthly soil curve makes the lag visible.
Plant Warm Crops When
Soil reaches 60°F+
Soil rarely reaches 60°F — use black plastic mulch to warm soil.
Best Month to Compost
Aug
Microbial activity peaks when soil is warm.
Active Composting
1 months
Short season — insulate pile or use indoor vermicomposting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | -6°F | 3°F | ❄️ Dormant | ~36 weeks |
| Feb | -5°F | 1°F | ❄️ Dormant | ~36 weeks |
| Mar | 4°F | 6°F | ❄️ Dormant | ~36 weeks |
| Apr | 19°F | 19°F | ❄️ Dormant | ~36 weeks |
| May | 34°F | 29°F | ❄️ Dormant | ~36 weeks |
| Jun | 45°F | 36°F | 🐢 Slow | ~24 weeks |
| Jul | 50°F | 44°F | 🐢 Slow | ~24 weeks |
| Aug | 53°F | 46°F | ♻️ Active | ~14 weeks |
| Sep | 42°F | 43°F | 🐢 Slow | ~24 weeks |
| Oct | 32°F | 33°F | ❄️ Dormant | ~36 weeks |
| Nov | 15°F | 21°F | ❄️ Dormant | ~36 weeks |
| Dec | 1°F | 9°F | ❄️ Dormant | ~36 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Butte County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Why this matters: The most successful gardeners in high-pressure regions don't spray more — they design around the problem. Crop rotation, companion planting, and resistant varieties beat reactive spraying.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Low disease risk — dry conditions reduce fungal problems.
Seasonal Risk
View 5 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | Moderate | May, Jun, Jul, Aug |
| Cabbage worms | Low | Jun, Jul, Aug |
| Colorado potato beetle | Moderate | Jun, Jul |
| Flea beetles | Low | May, Jun, Jul |
| Slugs | Low | May, Jun, Jul, Aug, Sep |
Organic pest management tips
- Maintain healthy soil with regular compost additions to build natural pest resistance
- Practice crop rotation annually to break pest cycles
- Encourage beneficial insects with flowering herbs like dill, fennel, and yarrow
Cover Crops for Butte County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Quick context: Cover crops protect microbial life through winter and summer. Bare soil bakes; covered soil stays cooler, moister, and biologically active. The difference shows up in next year's crops.
Spring Cover Crops (2 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Jun 8 | Jul 20 | — | Rapid growth, attracts pollinators, suppresses weeds |
| White clover | May 4 | Jul 13 | ✓ 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 | Jun 21 | Aug 31 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (5 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Daikon radish | Aug 2 | May 18 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Jun 27 | May 18 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Aug 17 | May 18 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jun 16 | May 18 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jun 10 | May 18 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Butte County
Quick context: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Butte County averages 12.0 mph. If you garden near coast, ridge, or open plains, you're likely above that — plan for it.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 16 mph Summer: 12 mph
Fall: 12 mph Winter: 14 mph
Prevailing wind: W. Windy area — plant a windbreak hedge on the W side of your garden.
Windbreak Benefit
7/10
Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.
Frost Pocket Risk
High
Hilly terrain with 1,215 ft of elevation range — cold air pools in low spots. Avoid planting frost-sensitive crops in valleys.
Rainwater Harvesting in Butte County
How much water you can collect, when to collect it, and what size system you need for your garden.
For new gardeners: A gravity-fed rain barrel ($75) is the easy entry. A larger cistern ($500-1500) covers a whole growing season. Butte County's 24" annual rainfall determines whether the larger system is overkill or essential.
Annual Collection
12,011 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
7 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 1,750 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
Apr, May, Aug, Oct
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Feb, Nov, Dec
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 24.1 inches of rain per year
- A 1,000 sq ft roof can collect roughly 12,011 gallons annually
- Rainwater harvesting is fully legal in your state
- Stock up on stored water before your dry season (Feb, Nov, Dec)
- Use a first-flush diverter to keep roof debris out of your collection
Soil & Growing Conditions in Butte County
Soil Type
Loam
Soil pH 6.8–8.4 · Well Drained drainage
Native soil is well-suited to most vegetables and herbs with regular compost additions.
Watering Needs
Drought stress: 5.5/10
Moderate drought pressure. Drip irrigation and mulching are highly recommended to maintain soil moisture through summer.
Season Tips
105-day frost-free season
A short season means indoor starts are critical for warm-season crops. Prioritise cold-hardy, fast-maturing varieties and use row covers to extend autumn harvests.
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
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Get instant, accurate soil pH readings to fine-tune your amendments.
Boost soil fertility and structure with rich, well-aged organic compost.
🥬 Vegetables to Grow in Butte County
105 vegetables that grow well in Zone 5a with planting dates for Butte County.
Show all 105 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Apr 27 | Jun 8 | Jun 15 | — | Sep 7 – Oct 12 | 80–100 |
| Amaranth | Apr 6 | Jun 8 | Jun 15 | — | Sep 14 – Nov 2 | 90–120 |
| Arugula | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Sep 7 | 30–50 |
| Asparagus | — | — | Jun 15 | — | — | 730–1095 |
| Beets | — | May 18 | — | Jul 6 | Jul 13 – Aug 10 | 50–70 |
| Belgian Endive | Apr 27 | May 18 | Jun 1 | Jul 6 | Sep 21 – Nov 16 | 110–150 |
| Bitter Melon | Apr 6 | Jun 8 | Jun 15 | — | Aug 17 – Sep 28 | 60–90 |
| Black Beans | — | Jun 8 | — | — | Sep 7 – Oct 26 | 90–120 |
| Bok Choy | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 13 – Aug 17 | 40–60 |
| Broccoli | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 3 – Sep 14 | 60–90 |
| Broccoli Rabe | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 13 – Aug 17 | 40–60 |
| Brussels Sprouts | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 31 – Oct 26 | 90–130 |
| Butternut Squash | Apr 27 | Jun 8 | Jun 15 | — | Sep 14 – Oct 19 | 85–110 |
| Cabbage | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 3 – Sep 28 | 60–100 |
| Calabash | Apr 6 | Jun 8 | Jun 15 | — | Sep 7 – Nov 2 | 80–120 |
| Carrots | — | May 18 | — | Jul 6 | Jul 20 – Aug 24 | 60–80 |
| Cauliflower | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Sep 28 | 55–100 |
| Celeriac | Apr 27 | May 18 | Jun 1 | Jul 6 | Sep 14 – Oct 19 | 100–120 |
| Celery | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 24 – Oct 19 | 80–120 |
| Celtuce | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 3 – Sep 14 | 60–90 |
| Chard | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Sep 14 | 50–60 |
| Chickpeas | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 24 – Oct 5 | 80–110 |
| Chicory | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 3 – Sep 14 | 60–85 |
| Chinese Cabbage | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Aug 24 | 50–70 |
| Christmas Lima Beans | Apr 6 | Jun 8 | Jun 15 | — | Sep 7 – Oct 12 | 80–100 |
| Collard Greens | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Sep 28 | 55–75 |
| Corn | — | Jun 8 | — | — | Aug 10 – Oct 5 | 60–100 |
| Cowpeas | — | Jun 8 | — | — | Aug 10 – Sep 21 | 60–90 |
| Cress | Apr 27 | May 18 | Jun 1 | Jul 6 | Jun 15 – Jul 6 | 14–21 |
| Crookneck Squash | Apr 27 | Jun 8 | Jun 15 | — | Aug 3 – Aug 31 | 45–60 |
| Crosne | — | May 18 | — | Jul 6 | Oct 19 – Nov 2 | 150–200 |
| Cucumber | Apr 27 | Jun 8 | Jun 15 | — | Aug 10 – Oct 5 | 50–70 |
| Daikon | — | May 18 | — | Jul 6 | Jul 13 – Aug 10 | 50–70 |
| Delicata Squash | Apr 27 | Jun 8 | Jun 15 | — | Sep 7 – Oct 12 | 80–100 |
| Edamame | — | Jun 8 | — | — | Aug 24 – Oct 5 | 75–100 |
| Eggplant | Mar 23 | Jun 8 | Jun 15 | — | Aug 24 – Oct 26 | 65–85 |
| Endive | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 20 – Aug 24 | 45–65 |
| Escarole | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Aug 24 | 50–70 |
| Fava Beans | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 17 – Sep 28 | 75–100 |
| Fennel | Apr 6 | Jun 8 | Jun 15 | — | Aug 17 – Sep 28 | 60–90 |
| Garlic | — | — | — | Aug 3 | Nov 2 – Jan 18 | 90–240 |
| Green Beans | — | Jun 8 | — | — | Aug 3 – Sep 28 | 50–65 |
| Horseradish | — | — | Jun 15 | — | Oct 19 – Nov 30 | 120–180 |
| Hot Peppers | Mar 23 | Jun 8 | Jun 15 | — | Aug 24 – Nov 30 | 70–120 |
| Hubbard Squash | Apr 27 | Jun 8 | Jun 15 | — | Sep 28 – Nov 2 | 100–120 |
| Kabocha | Apr 27 | Jun 8 | Jun 15 | — | Sep 14 – Oct 12 | 85–100 |
| Kai Lan | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 20 – Aug 17 | 45–60 |
| Kale | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Sep 21 | 50–70 |
| Kidney Beans | — | Jun 8 | — | — | Sep 7 – Oct 12 | 85–110 |
| Kohlrabi | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 20 – Aug 24 | 45–65 |
| Komatsuna | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Aug 10 | 35–50 |
| Leeks | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 31 – Nov 16 | 90–150 |
| Lentils | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 24 – Oct 5 | 80–110 |
| Lettuce | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Sep 14 | 30–60 |
| Lima Beans | — | Jun 8 | — | — | Aug 10 – Sep 21 | 60–90 |
| Mache | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 13 – Aug 17 | 40–60 |
| Melon | Apr 27 | Jun 8 | Jun 15 | — | Aug 24 – Oct 12 | 70–100 |
| Microgreens | Apr 27 | May 18 | Jun 1 | Jul 6 | Jun 8 – Jul 6 | 7–21 |
| Mitsuba | Apr 27 | May 18 | May 25 | Jul 6 | Jul 20 – Sep 14 | 50–70 |
| Mizuna | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Aug 3 | 30–45 |
| Mustard Greens | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Sep 7 | 30–50 |
| Napa Cabbage | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Aug 31 | 55–75 |
| New Zealand Spinach | Apr 6 | Jun 8 | Jun 15 | — | Aug 10 – Sep 7 | 55–70 |
| Okra | Apr 6 | Jun 8 | Jun 15 | — | Aug 10 – Oct 5 | 50–65 |
| Onion | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 31 – Oct 19 | 90–120 |
| Pac Choi | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 13 – Aug 10 | 40–55 |
| Parsnip | — | May 18 | — | Jul 6 | Aug 31 – Oct 12 | 100–130 |
| Patty Pan Squash | Apr 27 | Jun 8 | Jun 15 | — | Aug 3 – Aug 31 | 45–60 |
| Peas | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Sep 21 | 55–70 |
| Peppers | Mar 23 | Jun 8 | Jun 15 | — | Aug 17 – Oct 26 | 60–90 |
| Pole Beans | Apr 6 | Jun 8 | Jun 15 | — | Aug 10 – Oct 5 | 55–70 |
| Potatoes | Apr 6 | Jun 8 | Jun 15 | — | Aug 24 – Nov 2 | 70–120 |
| Pumpkin | Apr 27 | Jun 8 | Jun 15 | — | Sep 14 – Nov 2 | 85–120 |
| Purslane | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 13 – Aug 17 | 40–60 |
| Radicchio | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 3 – Sep 7 | 60–80 |
| Radish | — | May 18 | — | Jul 6 | Jun 15 – Jul 6 | 22–35 |
| Rhubarb | — | — | Jun 22 | — | — | 365–730 |
| Romanesco | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 17 – Sep 28 | 75–100 |
| Rutabaga | — | May 18 | — | Jul 6 | Aug 10 – Sep 14 | 80–100 |
| Salsify | — | May 18 | — | Jul 6 | Aug 31 – Oct 12 | 100–130 |
| Savoy Cabbage | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 10 – Oct 5 | 70–110 |
| Scallions | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Aug 24 | 50–70 |
| Scarlet Runner Beans | Apr 6 | Jun 8 | Jun 15 | — | Aug 17 – Sep 21 | 60–80 |
| Shallot | Apr 27 | May 18 | Jun 1 | Jul 6 | Aug 31 – Oct 19 | 90–120 |
| Shiso | Apr 13 | Jun 8 | Jun 15 | — | Aug 10 – Oct 5 | 50–70 |
| Snap Peas | Apr 6 | Jun 8 | Jun 15 | — | Aug 10 – Oct 5 | 55–70 |
| Snow Peas | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 27 – Sep 21 | 50–65 |
| Soybeans | — | Jun 8 | — | — | Aug 31 – Oct 26 | 80–120 |
| Spaghetti Squash | Apr 27 | Jun 8 | Jun 15 | — | Sep 14 – Oct 12 | 85–100 |
| Spinach | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Sep 7 | 35–50 |
| Squash (Summer) | Apr 27 | Jun 8 | Jun 15 | — | Aug 3 – Oct 5 | 45–65 |
| Squash (Winter) | Apr 27 | Jun 8 | Jun 15 | — | Sep 7 – Nov 2 | 80–120 |
| Sunchoke | — | — | Jun 15 | — | Oct 5 – Nov 30 | 110–150 |
| Sweet Corn | — | Jun 8 | — | — | Aug 10 – Sep 21 | 60–90 |
| Sweet Potatoes | Apr 6 | Jun 8 | Jun 15 | — | Sep 14 – Nov 2 | 90–120 |
| Tatsoi | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 6 – Aug 10 | 35–50 |
| Tomatillo | Apr 6 | Jun 8 | Jun 15 | — | Aug 17 – Oct 26 | 60–85 |
| Tomatoes | Apr 6 | Jun 8 | Jun 15 | — | Aug 17 – Oct 26 | 60–85 |
| Turnip | — | May 18 | — | Jul 6 | Jun 29 – Aug 3 | 40–60 |
| Watercress | Apr 27 | May 18 | Jun 1 | Jul 6 | Jul 13 – Aug 17 | 40–60 |
| Watermelon | Apr 27 | Jun 8 | Jun 15 | — | Aug 24 – Oct 12 | 70–100 |
| Wax Beans | — | Jun 8 | — | — | Aug 3 – Sep 28 | 50–65 |
| Winter Melon | Apr 6 | Jun 8 | Jun 15 | — | Sep 14 – Nov 2 | 90–120 |
| Yard Long Beans | Apr 6 | Jun 8 | Jun 15 | — | Aug 10 – Sep 21 | 55–80 |
| Zucchini | Apr 27 | Jun 8 | Jun 15 | — | Aug 3 – Sep 28 | 45–60 |
🍓 Fruits to Grow in Butte County
27 fruits that grow well in Zone 5a with planting dates for Butte County.
Show all 27 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Jun 22 | — | Sep 21 – Dec 7 | 90–180 |
| Aronia | — | — | Jun 22 | — | — | 730–1095 |
| Blackberries | — | — | Jun 22 | — | — | 365–730 |
| Blueberries | — | — | Jun 22 | — | — | 730–1095 |
| Boysenberries | — | — | Jun 22 | — | — | 365–730 |
| Cantaloupe | — | — | Jun 22 | — | Aug 31 – Oct 5 | 70–90 |
| Che Fruit | — | — | Jun 22 | — | — | 1095–1825 |
| Cranberries | — | — | Jun 22 | — | — | 730–1095 |
| Currants | — | — | Jun 22 | — | — | 730–1095 |
| Elderberries | — | — | Jun 22 | — | — | 730–1095 |
| Goji Berries | — | — | Jun 22 | — | — | 730–1095 |
| Gooseberries | — | — | Jun 22 | — | — | 730–1095 |
| Grapes | — | — | Jun 22 | — | — | 730–1095 |
| Ground Cherry | — | — | Jun 22 | — | Aug 31 – Oct 26 | 65–80 |
| Hardy Kiwi | — | — | Jun 22 | — | — | 1095–1825 |
| Haskaps | — | — | Jun 22 | — | — | 730–1095 |
| Honeydew | — | — | Jun 22 | — | Sep 14 – Oct 26 | 80–110 |
| Jostaberry | — | — | Jun 22 | — | — | 730–1095 |
| Lingonberries | — | — | Jun 22 | — | — | 730–1095 |
| Medlar | — | — | Jun 22 | — | — | 1095–1825 |
| Mulberries | — | — | Jun 22 | — | — | 730–1825 |
| Pawpaw | — | — | Jun 22 | — | — | 1095–2555 |
| Persimmon | — | — | Jun 22 | — | — | 1095–2555 |
| Quince | — | — | Jun 22 | — | — | 1095–1825 |
| Raspberries | — | — | Jun 22 | — | — | 365–730 |
| Serviceberries | — | — | Jun 22 | — | — | 730–1095 |
| Strawberries | — | — | Jun 22 | — | Sep 21 – Dec 7 | 90–365 |
🌿 Herbs to Grow in Butte County
34 herbs that grow well in Zone 5a with planting dates for Butte County.
Show all 34 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Apr 27 | May 18 | May 25 | Jul 6 | — | 365–730 |
| Anise | Apr 27 | May 18 | May 25 | Jul 6 | Aug 24 – Nov 9 | 90–120 |
| Basil | Apr 13 | Jun 8 | Jun 15 | — | Aug 10 – Oct 12 | 50–75 |
| Bee Balm | — | — | Jun 8 | — | Sep 7 – Nov 23 | 90–120 |
| Borage | Apr 27 | May 18 | May 25 | Jul 6 | Jul 20 – Sep 7 | 50–60 |
| Caraway | Apr 27 | May 18 | May 25 | Jul 6 | — | 365–450 |
| Catnip | — | — | Jun 8 | — | Aug 10 – Oct 12 | 60–80 |
| Chamomile | Apr 27 | May 18 | May 25 | Jul 6 | Jul 27 – Oct 5 | 60–90 |
| Chervil | Apr 27 | May 18 | May 25 | Jul 6 | Jul 6 – Sep 7 | 40–60 |
| Chives | — | — | Jun 8 | — | Aug 10 – Oct 19 | 60–90 |
| Cilantro | Apr 27 | May 18 | May 25 | Jul 6 | Jul 6 – Sep 7 | 40–60 |
| Comfrey | — | — | Jun 8 | — | Aug 10 – Oct 19 | 60–90 |
| Cumin | Apr 27 | May 18 | May 25 | Jul 6 | Sep 7 – Nov 9 | 100–120 |
| Dill | Apr 27 | May 18 | May 25 | Jul 6 | Jul 6 – Sep 7 | 40–60 |
| Epazote | Apr 13 | Jun 8 | Jun 15 | — | Aug 3 – Sep 28 | 45–60 |
| Fennel (herb) | Apr 27 | May 18 | May 25 | Jul 6 | Jul 27 – Oct 5 | 60–90 |
| Feverfew | — | — | Jun 8 | — | Sep 7 – Nov 23 | 90–120 |
| Garlic Chives | — | — | Jun 8 | — | Aug 10 – Oct 19 | 60–90 |
| Horehound | — | — | Jun 8 | — | Aug 24 – Oct 19 | 75–90 |
| Hyssop | — | — | Jun 8 | — | Aug 17 – Oct 19 | 70–90 |
| Lemon Balm | — | — | Jun 8 | — | Aug 10 – Sep 28 | 60–70 |
| Lemon Thyme | — | — | Jun 8 | — | Aug 17 – Oct 19 | 70–90 |
| Lovage | — | — | Jun 8 | — | Aug 17 – Oct 19 | 70–90 |
| Mint | — | — | Jun 8 | — | Aug 10 – Oct 19 | 60–90 |
| Oregano | — | — | Jun 8 | — | Aug 10 – Oct 19 | 60–90 |
| Parsley | Apr 27 | May 18 | May 25 | Jul 6 | Jul 27 – Sep 28 | 60–80 |
| Rue | — | — | Jun 8 | — | Aug 17 – Oct 19 | 70–90 |
| Sage | — | — | Jun 8 | — | Aug 24 – Oct 19 | 75–90 |
| Savory | — | — | Jun 8 | — | Aug 3 – Sep 28 | 50–70 |
| Sorrel | Apr 27 | May 18 | May 25 | Jul 6 | Jul 6 – Sep 7 | 40–60 |
| Tarragon | — | — | Jun 8 | — | Aug 10 – Oct 19 | 60–90 |
| Thai Basil | Apr 13 | Jun 8 | Jun 15 | — | Aug 10 – Oct 12 | 50–75 |
| Thyme | — | — | Jun 8 | — | Aug 17 – Oct 19 | 70–90 |
| Valerian | — | — | Jun 8 | — | Oct 12 – Nov 23 | 120–180 |
🌸 Flowers to Grow in Butte County
51 flowers that grow well in Zone 5a with planting dates for Butte County.
Show all 51 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Apr 13 | Jun 8 | Jun 8 | — | Aug 3 – Oct 26 | 60–75 |
| Alliums | — | — | — | Aug 3 | Sep 7 – Oct 5 | 28–42 |
| Anemones | May 4 | — | Jun 1 | — | Jul 13 – Aug 10 | 90–120 |
| Astilbe | Mar 30 | — | Jun 15 | — | Aug 31 – Nov 2 | 70–100 |
| Bachelor's Button | Apr 20 | May 11 | Jun 1 | — | Aug 3 – Oct 12 | 60–90 |
| Begonias | Mar 23 | — | Jun 8 | — | Aug 17 – Nov 9 | 70–90 |
| Black-eyed Susan | Mar 30 | Jun 1 | Jun 15 | — | Aug 31 – Nov 30 | 60–80 |
| Bleeding Hearts | Mar 30 | — | Jun 15 | — | Aug 10 – Sep 21 | 60–90 |
| Calendula | Apr 20 | May 11 | Jun 1 | — | Jul 20 – Oct 12 | 50–70 |
| Celosia | Apr 27 | Jun 15 | Jun 15 | — | Aug 17 – Nov 16 | 60–90 |
| Columbine | Mar 30 | Jun 15 | Jun 15 | — | Aug 10 – Sep 21 | 70–100 |
| Coreopsis | Mar 30 | Jun 8 | Jun 15 | — | Aug 24 – Nov 30 | 60–80 |
| Cosmos | May 4 | Jun 8 | Jun 8 | — | Aug 17 – Nov 9 | 60–90 |
| Crocus | — | — | — | Aug 3 | Jun 15 – Jul 6 | 10–20 |
| Daffodils | — | — | — | Aug 3 | Jun 22 – Jul 13 | 20–40 |
| Dahlias | May 4 | Jun 8 | Jun 8 | — | Aug 31 – Nov 23 | 70–120 |
| Daylily | Mar 30 | — | Jun 15 | — | Sep 7 – Nov 30 | 60–90 |
| Dianthus | Mar 30 | May 4 | May 18 | — | Jul 6 – Sep 21 | 60–80 |
| Echinacea (Purple Coneflower) | Mar 30 | Jun 15 | Jun 15 | — | Sep 7 – Nov 30 | 70–90 |
| Foxglove | Mar 30 | Jun 15 | Jun 15 | — | Aug 10 – Sep 21 | 80–120 |
| Gaillardia (Blanket Flower) | Apr 6 | Jun 15 | Jun 15 | — | Aug 24 – Dec 14 | 70–100 |
| Geraniums | Mar 23 | — | Jun 8 | — | Aug 17 – Nov 9 | 70–100 |
| Gladiolus | — | Jun 8 | Jun 8 | — | Aug 31 – Nov 23 | 70–100 |
| Hostas | Mar 23 | — | Jun 15 | — | Sep 7 – Nov 30 | 60–90 |
| Hyacinths | — | — | — | Aug 3 | Jul 13 – Aug 10 | 14–28 |
| Hydrangeas | Mar 23 | — | Jun 15 | — | Aug 31 – Nov 16 | 90–150 |
| Impatiens | Apr 6 | — | Jun 8 | — | Aug 17 – Nov 9 | 60–75 |
| Irises | — | Division | Jun 15 | — | Aug 10 – Sep 14 | 60–100 |
| Larkspur | — | May 4 | — | — | Jul 13 – Sep 7 | 60–90 |
| Lavender | Mar 23 | — | Jun 22 | — | Aug 31 – Oct 12 | 90–120 |
| Lilies | — | Division | Jun 15 | — | Aug 24 – Nov 16 | 70–120 |
| Lobelia | Mar 23 | — | May 25 | — | Jul 20 – Sep 28 | 70–80 |
| Lupine | Mar 30 | Jun 15 | Jun 15 | — | Aug 10 – Sep 21 | 75–100 |
| Marigolds | Apr 20 | Jun 8 | Jun 8 | — | Aug 3 – Oct 26 | 50–70 |
| Nasturtium | May 4 | Jun 8 | Jun 8 | — | Aug 3 – Nov 9 | 55–65 |
| Pansy | Mar 23 | — | Jun 1 | — | Jul 27 – Sep 21 | 70–90 |
| Peonies | — | Division | Jun 15 | — | Aug 24 – Oct 5 | 90–120 |
| Petunia | Apr 6 | — | Jun 8 | — | Aug 17 – Nov 9 | 70–90 |
| Phlox | Mar 30 | Jun 15 | Jun 15 | — | Aug 31 – Nov 16 | 80–110 |
| Portulaca | Apr 27 | Jun 15 | Jun 15 | — | Aug 3 – Nov 2 | 50–70 |
| Roses | Mar 23 | — | Jun 15 | — | Aug 31 – Nov 30 | 90–180 |
| Salvia | Mar 30 | — | Jun 8 | — | Aug 17 – Nov 9 | 70–90 |
| Sedum (Stonecrop) | Mar 30 | — | Jun 15 | — | Oct 12 – Dec 14 | 60–90 |
| Snapdragon | Mar 23 | May 18 | Jun 1 | — | Aug 10 – Oct 12 | 70–100 |
| Sunflower | May 11 | Jun 8 | Jun 8 | — | Aug 31 – Nov 9 | 70–100 |
| Sweet Alyssum | Apr 13 | May 18 | Jun 1 | — | Jul 13 – Sep 21 | 45–60 |
| Sweet Pea | Apr 20 | Apr 27 | Jun 1 | — | Aug 17 – Oct 19 | 65–85 |
| Tulips | — | — | — | Aug 3 | Jul 6 – Jul 27 | 15–30 |
| Vinca (Annual) | Mar 16 | — | Jun 15 | — | Aug 24 – Nov 9 | 70–90 |
| Yarrow | Mar 30 | Jun 1 | Jun 15 | — | Aug 24 – Nov 30 | 60–90 |
| Zinnia | May 4 | Jun 8 | Jun 8 | — | Aug 17 – Nov 9 | 60–70 |
Monthly Planting Guide for Butte County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Butte County.
Frequently Asked Questions
What planting zone is Butte County, ID?
Butte County is in USDA Hardiness Zone 5a. 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 Butte County, ID?
Based on 31 years of NOAA weather station data, the median last spring frost in Butte County falls around June 1. In 8 out of 10 years, last frost lands between May 8 and June 17 — a 39-day window of variability. Use June 17 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Butte County, ID?
The median first fall frost in Butte County arrives around September 14. In cold years it can arrive as early as September 2; in mild years as late as October 5. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Butte County?
Butte County has a frost-free growing season of approximately 105 days. Focus on short-season varieties and start warm-season crops indoors 6–8 weeks before last frost.
What is the soil like in Butte County for gardening?
Butte County has predominantly Loam soil with a pH range of 6.8–8.4 and Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Butte County?
Butte County has commercial agriculture that includes Hay, Potatoes, Wheat, Cattle, Dairy. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Butte County a good location for home gardening?
Butte County scores 49/100 (Moderate) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Gardening here benefits from close attention to frost timing and season extension due to the challenging microclimate factors.
Your Butte County Garden Planner — Free
A 22-page printable planner built for Butte County (Zone 5a). 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