Cornwall, NY — Planting Guide for June
Free PDF, personalized for your town's frost dates & climate. Drop your email — we'll send the link.
June in the garden — Orange County, New York
Each item below is timed to Orange County, New York's frost dates and soil temperatures. Skip nothing, stress about nothing.
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Fire up the seed-starting tray: peppers, pole beans, and tomatoes
Label every cell. You will absolutely forget which is which otherwise.
-
Collect basil, carrots, and cucumber at their peak
This is the payoff month. Bring a basket, bring a friend, and get into the beds.
Looking ahead to July
- First harvests: basil, carrots, and cucumber
Cornwall gardens in a dry climate (only 11" annual precipitation). Watering strategy matters more here than in most of the country — drip irrigation, deep mulching, and morning watering aren't optional, they're table stakes. The flip side: pest and disease pressure are far lower than in humid regions, and your soil temperatures climb fast in spring so you can plant heat-lovers earlier than the zone map suggests.
Soils trend Silt Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.
Drought pressure is moderate (14.3 weeks/year on average). Mulching and drip irrigation pay for themselves quickly.
🌡️ USDA Zone
6b (-5°F to 0°F min)
❄️ Avg. Last Frost
April 10
🍂 Avg. First Frost
November 2
📅 Growing Season
206 days
🌧️ Climate
Semi Arid 11.2" annual
💨 Wind
Calm 5.8 mph avg
🥶 Frost Tier
Regular 0% frost-free years
🏜️ Drought
14.3 wk/yr trend stable
📍 ZIP Codes
1 ZIP
Monthly Watering Calendar for Cornwall
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Why this matters: Most vegetables want about 1 inch of water per week. Cornwall gets 11" 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 | 3.2 in | 12 days | — | None |
| Feb | 3.4 in | 9 days | — | None |
| Mar | 3.4 in | 9 days | 0.9 in | Moderate |
| Apr | 3.7 in | 10 days | 0.6 in | Moderate |
| May | 4.8 in | 12 days | — | Low |
| Jun | 5 in | 12 days | — | Low |
| Jul | 5.4 in | 10 days | — | Low |
| Aug | 4.1 in | 10 days | 0.2 in | Low |
| Sep | 4 in | 10 days | 0.3 in | Low |
| Oct | 3.6 in | 7 days | 0.7 in | Moderate |
| Nov | 3.1 in | 10 days | — | None |
| Dec | 3.6 in | 11 days | — | None |
Annual total: 47.3 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.
Cornwall Soil Profile
Soil Type
Silt Loam
Soil pH
4.9-6.7
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) | May 13 | Nov 27 | 198 days |
| Cautious | Apr 28 | Nov 11 | 197 days |
| Average year | Apr 10 | Nov 2 | 206 days |
| Optimistic | Apr 2 | Oct 18 | 199 days |
| Aggressive (risky) | Mar 22 | Oct 6 | 198 days |
Not very — frost dates can vary by ±51 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 1.5 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Orange County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Orange 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 Orange County's climate and soil.
County Extension Office
Orange County Cornell Cooperative Extension Extension Office
Phone: 607-255-2237
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 Orange County
Finding local nurseries & garden centers in Orange County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Orange 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 Orange County NY" or "garden center Orange 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 Orange County NY" or check your extension office and local parks department. Facebook groups like "Orange County Gardeners" or "New York 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 Cornwall
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Quick context: The longest day at Cornwall'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 hours
Summer solstice daylight
Shortest Day
9 hours
Winter solstice daylight
Peak Sun Hours
8.3 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 | 9.3 hr | 3.5 hr | Short day |
| February | 10.4 hr | 4.5 hr | Short day |
| March | 11.7 hr | 5.3 hr | Short day |
| April | 13.1 hr | 6.1 hr | Neutral |
| May | 14.3 hr | 7.1 hr | Long day |
| June | 15 hr | 8 hr | Long day |
| July | 14.7 hr | 8.3 hr | Long day |
| August | 13.7 hr | 7.4 hr | Neutral |
| September | 12.3 hr | 6.6 hr | Neutral |
| October | 10.9 hr | 5.3 hr | Short day |
| November | 9.6 hr | 3.8 hr | Short day |
| December | 9 hr | 3.2 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Cornwall
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Why this matters: Most root crops germinate well at 50-60°F. Most fruit-bearing crops want 65-75°F. Cornwall's monthly soil curve maps these windows to actual months.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from May through Oct.
Best Month to Compost
Jun
Microbial activity peaks when soil is warm.
Active Composting
6 months
Solid season. Piles go dormant in winter.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 30°F | 40°F | ❄️ Dormant | ~36 weeks |
| Feb | 32°F | 37°F | ❄️ Dormant | ~36 weeks |
| Mar | 38°F | 41°F | ❄️ Dormant | ~36 weeks |
| Apr | 50°F | 50°F | 🐢 Slow | ~24 weeks |
| May | 64°F | 60°F | ♻️ Active | ~14 weeks |
| Jun | 75°F | 70°F | 🔥 Peak | ~8 weeks |
| Jul | 83°F | 76°F | 🔥 Peak | ~8 weeks |
| Aug | 81°F | 78°F | 🔥 Peak | ~8 weeks |
| Sep | 75°F | 75°F | 🔥 Peak | ~8 weeks |
| Oct | 62°F | 64°F | ♻️ Active | ~14 weeks |
| Nov | 47°F | 55°F | 🐢 Slow | ~24 weeks |
| Dec | 38°F | 45°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 Cornwall
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Why it matters: High pest pressure means weekly inspection. Low pest pressure means monthly. The score tells you which routine to set up before you have a problem.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Moderate — watch for mildew and blight during wet periods.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | High | Apr, May, Jun, Jul, Aug, Sep |
| Japanese beetles | Moderate | Jun, Jul, Aug |
| Squash vine borers | Moderate | Jun, Jul |
| Tomato hornworms | Moderate | Jun, Jul, Aug |
| Cucumber beetles | Low | May, Jun, Jul |
| Stink bugs | Low | Jun, Jul, Aug, Sep |
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 Cornwall
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
What this means for you: A fall-planted cover crop in Cornwall is the closest thing to free soil amendment. Plant cereal rye or hairy vetch after harvest; chop it down before it flowers in spring; the soil it leaves behind out-grows any store-bought compost.
Spring Cover Crops (3 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Apr 14 | Sep 7 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Sorghum-sudan grass | Apr 15 | Aug 24 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Mar 14 | Aug 24 | ✓ 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 | May 10 | Oct 19 | — | 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 | Aug 26 | Mar 27 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Aug 23 | Mar 27 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Sep 13 | Mar 20 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Aug 25 | Mar 20 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Sep 23 | Mar 20 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Aug 7 | Mar 27 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Aug 2 | Mar 27 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Cornwall
The practical takeaway: A 10 mph wind doesn't feel like much, but it triples leaf transpiration vs. still air. Cornwall's 5.8 mph average means most days are gentle on plants, but consider how a 20+ mph spring gust would affect a flat of seedlings hardened off too quickly.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 12 mph Summer: 10 mph
Fall: 10 mph Winter: 13 mph
Prevailing wind: W. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
6.5/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (309 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Cornwall
How much water you can collect, when to collect it, and what size system you need for your garden.
The practical takeaway: Most gardens use 0.5-1 gallon per square foot per week in summer. Cornwall's 11" annual rainfall is enough to cover most needs if you can capture it. Rain barrels under downspouts are the simplest entry point.
Annual Collection
23,574 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 500 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
May, Jun, Jul, Aug
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Jan, Mar, Nov
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 47.3 inches of rain per year
- A 1,000 sq ft roof can collect roughly 23,574 gallons annually
- Rainwater harvesting is fully legal in your state
- Stock up on stored water before your dry season (Jan, Mar, Nov)
- Use a first-flush diverter to keep roof debris out of your collection
🥬 Vegetables to Grow in Cornwall
107 vegetables matched to Zone 6b with planting dates calibrated for Cornwall.
Show all 107 vegetables with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 6 | Apr 17 | Apr 24 | — | Jul 17 – Aug 21 | 80–100 |
| Amaranth | Feb 13 | Apr 17 | Apr 24 | — | Jul 24 – Sep 11 | 90–120 |
| Arugula | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jul 17 | 30–50 |
| Asparagus | — | — | Apr 24 | — | — | 730–1095 |
| Beets | — | Mar 27 | — | Aug 24 | May 22 – Jun 19 | 50–70 |
| Belgian Endive | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 31 – Sep 25 | 110–150 |
| Bitter Melon | Feb 13 | Apr 17 | Apr 24 | — | Jun 26 – Aug 7 | 60–90 |
| Black Beans | — | Apr 17 | — | — | Jul 17 – Sep 4 | 90–120 |
| Bok Choy | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 22 – Jun 26 | 40–60 |
| Broccoli | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 12 – Jul 24 | 60–90 |
| Broccoli Rabe | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 22 – Jun 26 | 40–60 |
| Brussels Sprouts | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 10 – Sep 4 | 90–130 |
| Butternut Squash | Mar 6 | Apr 17 | Apr 24 | — | Jul 24 – Aug 28 | 85–110 |
| Cabbage | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 12 – Aug 7 | 60–100 |
| Calabash | Feb 13 | Apr 17 | Apr 24 | — | Jul 17 – Sep 11 | 80–120 |
| Carrots | — | Mar 27 | — | Aug 24 | May 29 – Jul 3 | 60–80 |
| Cauliflower | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Aug 7 | 55–100 |
| Celeriac | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 24 – Aug 28 | 100–120 |
| Celery | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 3 – Aug 28 | 80–120 |
| Celtuce | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 12 – Jul 24 | 60–90 |
| Chard | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 24 | 50–60 |
| Chickpeas | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 3 – Aug 14 | 80–110 |
| Chicory | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 12 – Jul 24 | 60–85 |
| Chinese Cabbage | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 3 | 50–70 |
| Christmas Lima Beans | Feb 13 | Apr 17 | Apr 24 | — | Jul 17 – Aug 21 | 80–100 |
| Collard Greens | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Aug 7 | 55–75 |
| Corn | — | Apr 17 | — | — | Jun 19 – Aug 14 | 60–100 |
| Cowpeas | — | Apr 17 | — | — | Jun 19 – Jul 31 | 60–90 |
| Cress | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Apr 24 – May 15 | 14–21 |
| Crookneck Squash | Mar 6 | Apr 17 | Apr 24 | — | Jun 12 – Jul 10 | 45–60 |
| Crosne | — | Mar 27 | — | Aug 24 | Aug 28 – Oct 9 | 150–200 |
| Cucumber | Mar 6 | Apr 17 | Apr 24 | — | Jun 19 – Aug 14 | 50–70 |
| Daikon | — | Mar 27 | — | Aug 24 | May 22 – Jun 19 | 50–70 |
| Delicata Squash | Mar 6 | Apr 17 | Apr 24 | — | Jul 17 – Aug 21 | 80–100 |
| Edamame | — | Apr 17 | — | — | Jul 3 – Aug 14 | 75–100 |
| Eggplant | Jan 30 | Apr 17 | Apr 24 | — | Jul 3 – Sep 4 | 65–85 |
| Endive | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 29 – Jul 3 | 45–65 |
| Escarole | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 3 | 50–70 |
| Fava Beans | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 26 – Aug 7 | 75–100 |
| Fennel | Feb 13 | Apr 17 | Apr 24 | — | Jun 26 – Aug 7 | 60–90 |
| Garlic | — | — | — | Sep 21 | Dec 21 – Apr 5 | 90–240 |
| Green Beans | — | Apr 17 | — | — | Jun 12 – Aug 7 | 50–65 |
| Horseradish | — | — | Apr 24 | — | Aug 28 – Nov 6 | 120–180 |
| Hot Peppers | Jan 30 | Apr 17 | Apr 24 | — | Jul 3 – Oct 9 | 70–120 |
| Hubbard Squash | Mar 6 | Apr 17 | Apr 24 | — | Aug 7 – Sep 11 | 100–120 |
| Kabocha | Mar 6 | Apr 17 | Apr 24 | — | Jul 24 – Aug 21 | 85–100 |
| Kai Lan | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 29 – Jun 26 | 45–60 |
| Kale | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 31 | 50–70 |
| Kidney Beans | — | Apr 17 | — | — | Jul 17 – Aug 21 | 85–110 |
| Kohlrabi | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 29 – Jul 3 | 45–65 |
| Komatsuna | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jun 19 | 35–50 |
| Leeks | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 10 – Sep 25 | 90–150 |
| Lentils | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 3 – Aug 14 | 80–110 |
| Lettuce | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jul 24 | 30–60 |
| Lima Beans | — | Apr 17 | — | — | Jun 19 – Jul 31 | 60–90 |
| Loofah | Feb 13 | Apr 17 | Apr 24 | — | Aug 7 – Oct 9 | 100–150 |
| Luffa | Feb 13 | Apr 17 | Apr 24 | — | Jul 24 – Oct 9 | 90–150 |
| Mache | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 22 – Jun 26 | 40–60 |
| Melon | Mar 6 | Apr 17 | Apr 24 | — | Jul 3 – Aug 21 | 70–100 |
| Microgreens | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Apr 17 – May 15 | 7–21 |
| Mitsuba | Mar 6 | Mar 27 | Apr 3 | Aug 24 | May 29 – Jul 24 | 50–70 |
| Mizuna | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jun 12 | 30–45 |
| Mustard Greens | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jul 17 | 30–50 |
| Napa Cabbage | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 10 | 55–75 |
| New Zealand Spinach | Feb 13 | Apr 17 | Apr 24 | — | Jun 19 – Jul 17 | 55–70 |
| Okra | Feb 13 | Apr 17 | Apr 24 | — | Jun 19 – Aug 14 | 50–65 |
| Onion | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 10 – Aug 28 | 90–120 |
| Pac Choi | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 22 – Jun 19 | 40–55 |
| Parsnip | — | Mar 27 | — | Aug 24 | Jul 10 – Aug 21 | 100–130 |
| Patty Pan Squash | Mar 6 | Apr 17 | Apr 24 | — | Jun 12 – Jul 10 | 45–60 |
| Peas | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 31 | 55–70 |
| Peppers | Jan 30 | Apr 17 | Apr 24 | — | Jun 26 – Sep 4 | 60–90 |
| Pole Beans | Feb 13 | Apr 17 | Apr 24 | — | Jun 19 – Aug 14 | 55–70 |
| Potatoes | Feb 13 | Apr 17 | Apr 24 | — | Jul 3 – Sep 11 | 70–120 |
| Pumpkin | Mar 6 | Apr 17 | Apr 24 | — | Jul 24 – Sep 11 | 85–120 |
| Purslane | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 22 – Jun 26 | 40–60 |
| Radicchio | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 12 – Jul 17 | 60–80 |
| Radish | — | Mar 27 | — | Aug 24 | Apr 24 – May 15 | 22–35 |
| Rhubarb | — | — | May 1 | — | — | 365–730 |
| Romanesco | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 26 – Aug 7 | 75–100 |
| Rutabaga | — | Mar 27 | — | Aug 24 | Jun 19 – Jul 24 | 80–100 |
| Salsify | — | Mar 27 | — | Aug 24 | Jul 10 – Aug 21 | 100–130 |
| Savoy Cabbage | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 19 – Aug 14 | 70–110 |
| Scallions | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 3 | 50–70 |
| Scarlet Runner Beans | Feb 13 | Apr 17 | Apr 24 | — | Jun 26 – Jul 31 | 60–80 |
| Shallot | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jul 10 – Aug 28 | 90–120 |
| Shiso | Feb 20 | Apr 17 | Apr 24 | — | Jun 19 – Aug 14 | 50–70 |
| Snap Peas | Feb 13 | Apr 17 | Apr 24 | — | Jun 19 – Aug 14 | 55–70 |
| Snow Peas | Mar 6 | Mar 27 | Apr 10 | Aug 24 | Jun 5 – Jul 31 | 50–65 |
| Soybeans | — | Apr 17 | — | — | Jul 10 – Sep 4 | 80–120 |
| Spaghetti Squash | Mar 6 | Apr 17 | Apr 24 | — | Jul 24 – Aug 21 | 85–100 |
| Spinach | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jul 17 | 35–50 |
| Squash (Summer) | Mar 6 | Apr 17 | Apr 24 | — | Jun 12 – Aug 14 | 45–65 |
| Squash (Winter) | Mar 6 | Apr 17 | Apr 24 | — | Jul 17 – Sep 11 | 80–120 |
| Sunchoke | — | — | Apr 24 | — | Aug 14 – Oct 9 | 110–150 |
| Sweet Corn | — | Apr 17 | — | — | Jun 19 – Jul 31 | 60–90 |
| Sweet Potatoes | Feb 13 | Apr 17 | Apr 24 | — | Jul 24 – Sep 11 | 90–120 |
| Tatsoi | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 15 – Jun 19 | 35–50 |
| Tomatillo | Feb 13 | Apr 17 | Apr 24 | — | Jun 26 – Sep 4 | 60–85 |
| Tomatoes | Feb 13 | Apr 17 | Apr 24 | — | Jun 26 – Sep 4 | 60–85 |
| Turnip | — | Mar 27 | — | Aug 24 | May 8 – Jun 12 | 40–60 |
| Watercress | Mar 6 | Mar 27 | Apr 10 | Aug 24 | May 22 – Jun 26 | 40–60 |
| Watermelon | Mar 6 | Apr 17 | Apr 24 | — | Jul 3 – Aug 21 | 70–100 |
| Wax Beans | — | Apr 17 | — | — | Jun 12 – Aug 7 | 50–65 |
| Winter Melon | Feb 13 | Apr 17 | Apr 24 | — | Jul 24 – Sep 11 | 90–120 |
| Yard Long Beans | Feb 13 | Apr 17 | Apr 24 | — | Jun 19 – Jul 31 | 55–80 |
| Zucchini | Mar 6 | Apr 17 | Apr 24 | — | Jun 12 – Aug 7 | 45–60 |
🍓 Fruits to Grow in Cornwall
27 fruits matched to Zone 6b with planting dates calibrated for Cornwall.
Show all 27 fruits with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 1 | — | Jul 31 – Nov 13 | 90–180 |
| Aronia | — | — | May 1 | — | — | 730–1095 |
| Blackberries | — | — | May 1 | — | — | 365–730 |
| Blueberries | — | — | May 1 | — | — | 730–1095 |
| Boysenberries | — | — | May 1 | — | — | 365–730 |
| Cantaloupe | — | — | May 1 | — | Jul 10 – Aug 14 | 70–90 |
| Che Fruit | — | — | May 1 | — | — | 1095–1825 |
| Cranberries | — | — | May 1 | — | — | 730–1095 |
| Currants | — | — | May 1 | — | — | 730–1095 |
| Elderberries | — | — | May 1 | — | — | 730–1095 |
| Goji Berries | — | — | May 1 | — | — | 730–1095 |
| Gooseberries | — | — | May 1 | — | — | 730–1095 |
| Grapes | — | — | May 1 | — | — | 730–1095 |
| Ground Cherry | — | — | May 1 | — | Jul 10 – Sep 4 | 65–80 |
| Hardy Kiwi | — | — | May 1 | — | — | 1095–1825 |
| Haskaps | — | — | May 1 | — | — | 730–1095 |
| Honeydew | — | — | May 1 | — | Jul 24 – Sep 4 | 80–110 |
| Jostaberry | — | — | May 1 | — | — | 730–1095 |
| Lingonberries | — | — | May 1 | — | — | 730–1095 |
| Medlar | — | — | May 1 | — | — | 1095–1825 |
| Mulberries | — | — | May 1 | — | — | 730–1825 |
| Pawpaw | — | — | May 1 | — | — | 1095–2555 |
| Persimmon | — | — | May 1 | — | — | 1095–2555 |
| Quince | — | — | May 1 | — | — | 1095–1825 |
| Raspberries | — | — | May 1 | — | — | 365–730 |
| Serviceberries | — | — | May 1 | — | — | 730–1095 |
| Strawberries | — | — | May 1 | — | Jul 31 – Nov 13 | 90–365 |
🌿 Herbs to Grow in Cornwall
35 herbs matched to Zone 6b with planting dates calibrated for Cornwall.
Show all 35 herbs with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 6 | Mar 27 | Apr 3 | Aug 24 | — | 365–730 |
| Anise | Mar 6 | Mar 27 | Apr 3 | Aug 24 | Jul 3 – Sep 18 | 90–120 |
| Basil | Feb 20 | Apr 17 | Apr 24 | — | Jun 19 – Aug 21 | 50–75 |
| Bee Balm | — | — | Apr 17 | — | Jul 17 – Oct 2 | 90–120 |
| Borage | Mar 6 | Mar 27 | Apr 3 | Aug 24 | May 29 – Jul 17 | 50–60 |
| Caraway | Mar 6 | Mar 27 | Apr 3 | Aug 24 | — | 365–450 |
| Catnip | — | — | Apr 17 | — | Jun 19 – Aug 21 | 60–80 |
| Chamomile | Mar 6 | Mar 27 | Apr 3 | Aug 24 | Jun 5 – Aug 14 | 60–90 |
| Chervil | Mar 6 | Mar 27 | Apr 3 | Aug 24 | May 15 – Jul 17 | 40–60 |
| Chives | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Cilantro | Mar 6 | Mar 27 | Apr 3 | Aug 24 | May 15 – Jul 17 | 40–60 |
| Comfrey | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Cumin | Mar 6 | Mar 27 | Apr 3 | Aug 24 | Jul 17 – Sep 18 | 100–120 |
| Dill | Mar 6 | Mar 27 | Apr 3 | Aug 24 | May 15 – Jul 17 | 40–60 |
| Epazote | Feb 20 | Apr 17 | Apr 24 | — | Jun 12 – Aug 7 | 45–60 |
| Fennel (herb) | Mar 6 | Mar 27 | Apr 3 | Aug 24 | Jun 5 – Aug 14 | 60–90 |
| Feverfew | — | — | Apr 17 | — | Jul 17 – Oct 2 | 90–120 |
| Garlic Chives | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Horehound | — | — | Apr 17 | — | Jul 3 – Aug 28 | 75–90 |
| Hyssop | — | — | Apr 17 | — | Jun 26 – Aug 28 | 70–90 |
| Lemon Balm | — | — | Apr 17 | — | Jun 19 – Aug 7 | 60–70 |
| Lemon Thyme | — | — | Apr 17 | — | Jun 26 – Aug 28 | 70–90 |
| Lovage | — | — | Apr 17 | — | Jun 26 – Aug 28 | 70–90 |
| Marjoram | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Mint | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Oregano | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Parsley | Mar 6 | Mar 27 | Apr 3 | Aug 24 | Jun 5 – Aug 7 | 60–80 |
| Rue | — | — | Apr 17 | — | Jun 26 – Aug 28 | 70–90 |
| Sage | — | — | Apr 17 | — | Jul 3 – Aug 28 | 75–90 |
| Savory | — | — | Apr 17 | — | Jun 12 – Aug 7 | 50–70 |
| Sorrel | Mar 6 | Mar 27 | Apr 3 | Aug 24 | May 15 – Jul 17 | 40–60 |
| Tarragon | — | — | Apr 17 | — | Jun 19 – Aug 28 | 60–90 |
| Thai Basil | Feb 20 | Apr 17 | Apr 24 | — | Jun 19 – Aug 21 | 50–75 |
| Thyme | — | — | Apr 17 | — | Jun 26 – Aug 28 | 70–90 |
| Valerian | — | — | Apr 17 | — | Aug 21 – Oct 30 | 120–180 |
🌸 Flowers to Grow in Cornwall
53 flowers matched to Zone 6b with planting dates calibrated for Cornwall.
Show all 53 flowers with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Feb 20 | Apr 10 | Apr 10 | — | Jun 5 – Sep 18 | 60–75 |
| Alliums | — | — | — | Sep 21 | Oct 19 – Nov 16 | 28–42 |
| Anemones | Mar 13 | — | Apr 10 | — | May 8 – Jun 5 | 90–120 |
| Astilbe | Feb 6 | — | Apr 17 | — | Jun 26 – Sep 4 | 70–100 |
| Bachelor's Button | Feb 27 | Mar 13 | Apr 10 | Sep 21 | Jun 12 – Sep 4 | 60–90 |
| Begonias | Jan 30 | — | Apr 17 | — | Jun 26 – Oct 2 | 70–90 |
| Black-eyed Susan | Feb 6 | Apr 10 | Apr 17 | — | Jul 3 – Oct 23 | 60–80 |
| Bleeding Hearts | Feb 6 | — | Apr 17 | — | Jun 12 – Jul 17 | 60–90 |
| Calendula | Feb 27 | Mar 13 | Apr 10 | — | May 29 – Sep 4 | 50–70 |
| California Poppy | — | Mar 13 | — | — | May 22 – Jul 17 | 60–90 |
| Celosia | Mar 6 | Apr 17 | Apr 17 | — | Jun 19 – Oct 9 | 60–90 |
| Columbine | Feb 6 | Apr 17 | Apr 17 | — | Jun 12 – Jul 17 | 70–100 |
| Coreopsis | Feb 6 | Apr 10 | Apr 17 | — | Jun 26 – Oct 23 | 60–80 |
| Cosmos | Mar 13 | Apr 10 | Apr 10 | — | Jun 19 – Oct 2 | 60–90 |
| Crocus | — | — | — | Sep 21 | Aug 10 – Aug 31 | 10–20 |
| Daffodils | — | — | — | Sep 21 | Aug 17 – Sep 7 | 20–40 |
| Dahlias | Mar 13 | Apr 17 | Apr 17 | — | Jul 3 – Oct 23 | 70–120 |
| Daylily | Feb 6 | — | Apr 17 | — | Jul 3 – Oct 23 | 60–90 |
| Dianthus | Feb 13 | Mar 13 | Mar 20 | — | May 8 – Aug 7 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 6 | Apr 17 | Apr 17 | — | Jul 3 – Oct 23 | 70–90 |
| Foxglove | Feb 6 | Apr 17 | Apr 17 | — | Jun 12 – Jul 17 | 80–120 |
| Gaillardia (Blanket Flower) | Feb 20 | Apr 17 | Apr 17 | — | Jun 26 – Oct 30 | 70–100 |
| Geraniums | Jan 30 | — | Apr 17 | — | Jun 26 – Oct 2 | 70–100 |
| Gladiolus | — | Apr 10 | Apr 10 | — | Jun 26 – Oct 16 | 70–100 |
| Hostas | Jan 30 | — | Apr 17 | — | Jul 3 – Oct 23 | 60–90 |
| Hyacinths | — | — | — | Sep 21 | Sep 7 – Sep 28 | 14–28 |
| Hydrangeas | Jan 30 | — | Apr 17 | — | Jun 26 – Oct 9 | 90–150 |
| Impatiens | Feb 13 | — | Apr 17 | — | Jun 26 – Oct 9 | 60–75 |
| Irises | — | Division | Apr 17 | — | Jun 12 – Jul 10 | 60–100 |
| Larkspur | — | Mar 13 | — | — | May 22 – Jul 17 | 60–90 |
| Lavender | Jan 30 | — | Apr 24 | — | Jul 3 – Aug 28 | 90–120 |
| Lilies | — | Division | Apr 17 | — | Jun 26 – Oct 2 | 70–120 |
| Lobelia | Feb 6 | — | Mar 27 | — | May 22 – Aug 14 | 70–80 |
| Lupine | Feb 6 | Apr 17 | Apr 17 | — | Jun 12 – Jul 17 | 75–100 |
| Marigolds | Feb 27 | Apr 10 | Apr 10 | — | Jun 5 – Sep 11 | 50–70 |
| Nasturtium | Mar 13 | Apr 10 | Apr 10 | — | Jun 5 – Oct 2 | 55–65 |
| Pansy | Jan 30 | — | Apr 10 | Sep 7 | Jun 5 – Aug 14 | 70–90 |
| Peonies | — | Division | Apr 17 | — | Jun 19 – Jul 24 | 90–120 |
| Petunia | Feb 13 | — | Apr 17 | — | Jun 26 – Oct 9 | 70–90 |
| Phlox | Feb 6 | Apr 17 | Apr 17 | — | Jun 26 – Sep 18 | 80–110 |
| Portulaca | Mar 6 | Apr 17 | Apr 17 | — | Jun 5 – Sep 25 | 50–70 |
| Ranunculus | Feb 27 | — | Apr 10 | — | May 15 – Jun 12 | 90–120 |
| Roses | Jan 30 | — | Apr 17 | — | Jun 26 – Oct 23 | 90–180 |
| Salvia | Feb 6 | — | Apr 10 | — | Jun 19 – Oct 2 | 70–90 |
| Sedum (Stonecrop) | Feb 6 | — | Apr 17 | — | Aug 7 – Oct 30 | 60–90 |
| Snapdragon | Jan 30 | Mar 20 | Apr 10 | — | Jun 19 – Sep 4 | 70–100 |
| Sunflower | Mar 20 | Apr 10 | Apr 10 | — | Jul 3 – Oct 2 | 70–100 |
| Sweet Alyssum | Feb 27 | Mar 20 | Apr 10 | — | May 22 – Aug 7 | 45–60 |
| Sweet Pea | Feb 27 | Mar 6 | Apr 10 | — | Jun 26 – Sep 4 | 65–85 |
| Tulips | — | — | — | Sep 28 | Sep 7 – Oct 5 | 15–30 |
| Vinca (Annual) | Jan 30 | — | Apr 17 | — | Jun 26 – Oct 9 | 70–90 |
| Yarrow | Feb 6 | Apr 10 | Apr 17 | — | Jun 26 – Oct 23 | 60–90 |
| Zinnia | Mar 13 | Apr 10 | Apr 10 | — | Jun 19 – Sep 25 | 60–70 |
Monthly Planting Guide for Cornwall
ZIP Codes in Cornwall
Click any ZIP to see its specific frost, soil, and climate measurements (some ZIPs differ noticeably from the town aggregate):
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Orange County.
Your Orange County Garden Planner — Free
A 22-page printable planner built for Orange County (Zone 6b). 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