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Chester County, PA — Planting Guide

Chester County, Pennsylvania Zone 7a June

June in the garden — Chester County, Pennsylvania

If you only do a handful of things in the garden this June, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 16
Avg. first frost October 27
Soil temp (4") 74°F
Watering Low
Pest pressure High
Daylight 14.8 hrs
  1. Sow basil, peppers, and pole beans in trays indoors

    Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.

  2. Pick basil, carrots, and cucumber

    Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.

Get ahead of July
  • First harvests: basil, carrots, and cucumber

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Chester County is in USDA Zone 7a. The average last spring frost is April 16 and the first fall frost is October 27, giving you a growing season of approximately 194 days.

At an elevation of 761 ft, Chester County receives approximately 42.7 in of rainfall annually. Summer highs average 86°F with winter lows around 25°F. The predominant soil type is Silt Loam.

Based on 30 years of NOAA climate station data, the last frost date here varies by 38 days year to year — ranging from March 28 in warm years to May 5 in cold years. The growing season is trending longer by about 1.49 days per decade. Chester County scores 69/100 (Good) on the Microclimate Index.

🌡️ Zone

7a (0°F to 5°F min)

❄️ Last Frost

April 16

🍂 First Frost

October 27

📅 Growing Season

194 days

⛰️ Elevation

761 ft

🌧️ Annual Rainfall

42.7 in

Chester County, PA Moderate season
194 days
❄
Last Spring Frost April 16
➔ 194 growing days ➔
❄
First Fall Frost October 27

Monthly Watering Calendar for Chester County

When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.

The practical takeaway: The 1-inch-per-week rule applies to most vegetable crops. Chester County averages 43" a year — divide by 52 and compare to that 1" target. Some months are above, some below; that's where the calendar earns its keep.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 3" Feb 2.8" +0.6" Mar 3.7" +0.5" Apr 3.8" +0.8" May 3.5" Jun 4.1" Jul 4.4" +0.8" Aug 3.5" +0.7" Sep 3.6" +0.4" Oct 3.9" Nov 3.4" Dec 3"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 3 in 11 days — None
Feb 2.8 in 8 days — None
Mar 3.7 in 10 days 0.6 in Moderate
Apr 3.8 in 10 days 0.5 in Low
May 3.5 in 12 days 0.8 in Moderate
Jun 4.1 in 9 days 0.2 in Low
Jul 4.4 in 9 days — Low
Aug 3.5 in 9 days 0.8 in Moderate
Sep 3.6 in 7 days 0.7 in Moderate
Oct 3.9 in 8 days 0.4 in Low
Nov 3.4 in 8 days — None
Dec 3 in 11 days — None

Annual total: 42.7 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.

Chester County Soil Profile

Soil Type

Silt Loam

Soil pH

4.9-6.6

Drainage

Well Drained

Frost Risk Probability

Based on 30 years of NOAA weather station data from 2 stations

Too early frost risk Safe to Plant Apr 16 → Oct 27 194 frost-free days Protect crops frost returns Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: May 5 Protect by: Nov 4

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 5 Nov 4 183 days
Cautious Apr 20 Oct 31 194 days
Average year Apr 16 Oct 27 194 days
Optimistic Apr 10 Oct 18 191 days
Aggressive (risky) Mar 28 Oct 8 194 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±38 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.

🌱
Is the growing season changing?

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

69 Good
Frost Timing Risk
10.0/10
Drought Risk
1.5/10
Soil Difficulty
1.0/10
Altitude Challenge
0.0/10
Climate Shift
6.0/10
Rainfall Challenge
0.0/10

Chester County offers good growing conditions. A little planning around frost dates goes a long way.

Zone 7a Frost Countdown
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Loading...
Last Frost: Apr 16 First Frost: Oct 27

Local Gardening Help in Chester 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 Chester County's climate and soil.

County Extension Office

Chester County Penn State Extension Extension Office

Phone: 814-865-4028

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.

Find Master Gardeners in PA →

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.

Request a Soil Test →

Services Available in Chester County

Soil testing Pest identification Master Gardener hotline
Finding local nurseries & garden centers in Chester County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Chester 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 Chester County PA" or "garden center Chester 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 Chester County PA" or check your extension office and local parks department. Facebook groups like "Chester County Gardeners" or "Pennsylvania 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.

After Pole Beans (harvest ends Aug 20) 68 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Squash (Summer) (harvest ends Aug 20) 68 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Cantaloupe (harvest ends Aug 20) 68 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Peas (harvest ends Aug 6) 82 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Eggplant (harvest ends Sep 10) 47 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Crocus 10-20d Hyacinths 14-28d
After Cauliflower (harvest ends Aug 13) 75 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
Show 6 more succession options
After Onion (harvest ends Sep 3) 54 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Squash (Winter) (harvest ends Sep 17) 40 days until frost
Radish 22-35d Lettuce 30-60d Crocus 10-20d Hyacinths 14-28d Tulips 15-30d
After Corn (harvest ends Aug 13) 75 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Kale (harvest ends Aug 6) 82 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Broccoli (harvest ends Jul 30) 89 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Snap Peas (harvest ends Aug 20) 68 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d

Sunlight & Day Length in Chester County

Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.

What this means for you: Day length triggers flowering in many crops. Some need short days (sweet potatoes), some long (most flowers), and some are day-neutral (most modern tomatoes). Chester County's latitude determines which varieties fit your beds.

Longest Day

14.8 hours

Summer solstice daylight

Shortest Day

9.2 hours

Winter solstice daylight

Peak Sun Hours

8.5 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.

14hr 12hr 2h 6h 9h 13h 16h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Daylight hours (sunrise to sunset) Peak sun hours (direct sunlight after cloud cover) ▪ Gold zone = long day (14+ hr) ▪ Blue zone = short day (<12 hr)

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
MonthDaylight HoursPeak Sun HoursDay Length
January 9.5 hr 3.6 hr Short day
February 10.5 hr 4.5 hr Short day
March 11.7 hr 5.2 hr Short day
April 13.1 hr 6 hr Neutral
May 14.2 hr 7.4 hr Long day
June 14.8 hr 8.1 hr Long day
July 14.6 hr 8.5 hr Long day
August 13.6 hr 7.3 hr Neutral
September 12.2 hr 6.1 hr Neutral
October 10.9 hr 5.3 hr Short day
November 9.7 hr 3.7 hr Short day
December 9.2 hr 3.1 hr Short day

Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.

Soil Temperature & Composting in Chester County

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. Chester County'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

7 months

Solid season. Piles go dormant in winter.

60°F 70°F 20° 40° 60° 80° 100° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 31°F 39°F ❄️ Dormant ~36 weeks
Feb 32°F 37°F ❄️ Dormant ~36 weeks
Mar 40°F 42°F ❄️ Dormant ~36 weeks
Apr 52°F 50°F ♻️ Active ~14 weeks
May 62°F 60°F ♻️ Active ~14 weeks
Jun 74°F 68°F 🔥 Peak ~8 weeks
Jul 81°F 75°F 🔥 Peak ~8 weeks
Aug 81°F 77°F 🔥 Peak ~8 weeks
Sep 76°F 73°F 🔥 Peak ~8 weeks
Oct 65°F 65°F ♻️ Active ~14 weeks
Nov 50°F 54°F 🐢 Slow ~24 weeks
Dec 37°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 Chester County

Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.

What this means for you: In Chester County's climate, pest pressure shapes which crops are easy and which are heartbreak. Tomatoes are easy in dry mountain air, hard in humid coast — same plant, completely different gardening experience.

Insect Pest Pressure

6.1 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

5.7 / 10

Moderate — watch for mildew and blight during wet periods.

Seasonal Risk

Spring Low
Summer High
Fall Low
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate 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 Moderate 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 Chester County

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.

Quick context: The "chop and drop" approach to cover crops: cut them down right before flowering, let them lay on the surface as mulch, plant your vegetables through the mulch. Less work, healthier soil.

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 25 Sep 1 — Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass Apr 22 Aug 25 — Massive biomass, breaks compaction, suppresses nematodes
White clover Mar 16 Aug 25 ✓ 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 16 Oct 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 Aug 30 Apr 2 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Aug 25 Mar 26 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 1 Mar 26 — Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 5 Mar 26 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 27 Apr 2 — Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Aug 4 Apr 2 — Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 22 Mar 26 — Erosion control, weed suppression, good biomass

Wind & Microclimate in Chester County

The practical takeaway: A 10 mph wind doesn't feel like much, but it triples leaf transpiration vs. still air. Chester County's 8.4 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: 11 mph   Summer: 8 mph

Fall: 9 mph   Winter: 11 mph

Prevailing wind: W. Moderate wind — consider a temporary windbreak for young seedlings.

Windbreak Benefit

5/10

Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.

Frost Pocket Risk

Moderate

Some terrain variation (452 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.

Rainwater Harvesting in Chester County

How much water you can collect, when to collect it, and what size system you need for your garden.

Why this matters: Captured rainwater is better for plants than tap water (no chlorine), works during water restrictions, and reduces stormwater runoff. Chester County's 43" annual rainfall is a meaningful pool — most homes could capture 10,000+ gallons a year with a decent system.

Annual Collection

21,281 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 750 gal tank.

Legal Status

Unrestricted

Rainwater harvesting is fully legal in your state with no restrictions.

Best Collection Months

Apr, Jun, Jul, Oct

Highest rainfall months — your barrels will fill up quickly during these months.

Months to Draw From Storage

Jan, Feb, 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 42.7 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 21,281 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Jan, Feb, Dec)
  • Use a first-flush diverter to keep roof debris out of your collection

Soil & Growing Conditions in Chester County

Soil Type

Silt Loam

Soil pH 4.9–6.6 · Moderately Well Drained drainage

Native soil is well-suited to most vegetables and herbs with regular compost additions.

Watering Needs

Drought stress: 1.5/10

Chester County has very low drought pressure. Natural rainfall usually meets garden needs — water only during extended dry spells.

Season Tips

194-day frost-free season

Plenty of time for warm-season crops. Start heat-lovers indoors 6–8 weeks before last frost to maximise your harvest window.

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.

Instant PDF download. No spam, unsubscribe any time.

Recommended for Your Garden

🧪
Soil Test Kit $12-25

Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.

Know your soil before you plant for best results.

📏
Digital pH Meter $10-20

Get instant, accurate soil pH readings to fine-tune your amendments.

Helpful for your garden setup.

🍂
Organic Compost $8-30

Boost soil fertility and structure with rich, well-aged organic compost.

Helpful for your garden setup.

🥬 Vegetables to Grow in Chester County

112 vegetables that grow well in Zone 7a with planting dates for Chester County.

Show all 112 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 19 Apr 23 Apr 30 — Jul 23 – Aug 27 80–100
Amaranth Feb 26 Apr 23 Apr 30 — Jul 30 – Sep 17 90–120
Artichoke — — Apr 30 — Sep 3 – Nov 12 120–180
Arugula Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jul 23 30–50
Asparagus — — Apr 30 — — 730–1095
Beets — Apr 2 — Aug 18 May 28 – Jun 25 50–70
Belgian Endive Mar 12 Apr 2 Apr 16 Aug 18 Aug 6 – Oct 1 110–150
Bitter Melon Feb 26 Apr 23 Apr 30 — Jul 2 – Aug 13 60–90
Black Beans — Apr 23 — — Jul 23 – Sep 10 90–120
Bok Choy Mar 12 Apr 2 Apr 16 Aug 18 May 28 – Jul 2 40–60
Broccoli Mar 12 Apr 2 Apr 16 Aug 18 Jun 18 – Jul 30 60–90
Broccoli Rabe Mar 12 Apr 2 Apr 16 Aug 18 May 28 – Jul 2 40–60
Brussels Sprouts Mar 12 Apr 2 Apr 16 Aug 18 Jul 16 – Sep 10 90–130
Butternut Squash Mar 19 Apr 23 Apr 30 — Jul 30 – Sep 3 85–110
Cabbage Mar 12 Apr 2 Apr 16 Aug 18 Jun 18 – Aug 13 60–100
Calabash Feb 26 Apr 23 Apr 30 — Jul 23 – Sep 17 80–120
Cardoon — — Apr 30 — Sep 3 – Oct 15 120–150
Carrots — Apr 2 — Aug 18 Jun 4 – Jul 9 60–80
Cauliflower Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Aug 13 55–100
Celeriac Mar 12 Apr 2 Apr 16 Aug 18 Jul 30 – Sep 3 100–120
Celery Mar 12 Apr 2 Apr 16 Aug 18 Jul 9 – Sep 3 80–120
Celtuce Mar 12 Apr 2 Apr 16 Aug 18 Jun 18 – Jul 30 60–90
Chard Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Jul 30 50–60
Chayote Feb 26 Apr 23 Apr 30 — Sep 3 – Nov 12 120–180
Chickpeas Mar 12 Apr 2 Apr 16 Aug 18 Jul 9 – Aug 20 80–110
Chicory Mar 12 Apr 2 Apr 16 Aug 18 Jun 18 – Jul 30 60–85
Chinese Cabbage Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Jul 9 50–70
Christmas Lima Beans Feb 26 Apr 23 Apr 30 — Jul 23 – Aug 27 80–100
Collard Greens Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Aug 13 55–75
Corn — Apr 23 — — Jun 25 – Aug 20 60–100
Cowpeas — Apr 23 — — Jun 25 – Aug 6 60–90
Cress Mar 12 Apr 2 Apr 16 Aug 18 Apr 30 – May 21 14–21
Crookneck Squash Mar 19 Apr 23 Apr 30 — Jun 18 – Jul 16 45–60
Crosne — Apr 2 — Aug 18 Sep 3 – Nov 5 150–200
Cucumber Mar 19 Apr 23 Apr 30 — Jun 25 – Aug 20 50–70
Daikon — Apr 2 — Aug 18 May 28 – Jun 25 50–70
Delicata Squash Mar 19 Apr 23 Apr 30 — Jul 23 – Aug 27 80–100
Edamame — Apr 23 — — Jul 9 – Aug 20 75–100
Eggplant Feb 12 Apr 23 Apr 30 — Jul 9 – Sep 10 65–85
Endive Mar 12 Apr 2 Apr 16 Aug 18 Jun 4 – Jul 9 45–65
Escarole Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Jul 9 50–70
Fava Beans Mar 12 Apr 2 Apr 16 Aug 18 Jul 2 – Aug 13 75–100
Fennel Feb 26 Apr 23 Apr 30 — Jul 2 – Aug 13 60–90
Garlic — — — Sep 15 Dec 15 – Apr 27 90–240
Green Beans — Apr 23 — — Jun 18 – Aug 13 50–65
Horseradish — — Apr 30 — Sep 3 – Nov 12 120–180
Hot Peppers Feb 12 Apr 23 Apr 30 — Jul 9 – Oct 15 70–120
Hubbard Squash Mar 19 Apr 23 Apr 30 — Aug 13 – Sep 17 100–120
Jicama Feb 26 Apr 23 Apr 30 — Sep 3 – Nov 12 120–180
Kabocha Mar 19 Apr 23 Apr 30 — Jul 30 – Aug 27 85–100
Kai Lan Mar 12 Apr 2 Apr 16 Aug 18 Jun 4 – Jul 2 45–60
Kale Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Aug 6 50–70
Kidney Beans — Apr 23 — — Jul 23 – Aug 27 85–110
Kohlrabi Mar 12 Apr 2 Apr 16 Aug 18 Jun 4 – Jul 9 45–65
Komatsuna Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jun 25 35–50
Leeks Mar 12 Apr 2 Apr 16 Aug 18 Jul 16 – Oct 1 90–150
Lentils Mar 12 Apr 2 Apr 16 Aug 18 Jul 9 – Aug 20 80–110
Lettuce Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jul 30 30–60
Lima Beans — Apr 23 — — Jun 25 – Aug 6 60–90
Loofah Feb 26 Apr 23 Apr 30 — Aug 13 – Oct 15 100–150
Luffa Feb 26 Apr 23 Apr 30 — Jul 30 – Oct 15 90–150
Mache Mar 12 Apr 2 Apr 16 Aug 18 May 28 – Jul 2 40–60
Malabar Spinach Feb 26 Apr 23 Apr 30 — Jun 25 – Jul 23 55–70
Melon Mar 19 Apr 23 Apr 30 — Jul 9 – Aug 27 70–100
Microgreens Mar 12 Apr 2 Apr 16 Aug 18 Apr 23 – May 21 7–21
Mitsuba Mar 12 Apr 2 Apr 9 Aug 18 Jun 4 – Jul 30 50–70
Mizuna Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jun 18 30–45
Mustard Greens Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jul 23 30–50
Napa Cabbage Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Jul 16 55–75
New Zealand Spinach Feb 26 Apr 23 Apr 30 — Jun 25 – Jul 23 55–70
Okra Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 20 50–65
Onion Mar 12 Apr 2 Apr 16 Aug 18 Jul 16 – Sep 3 90–120
Pac Choi Mar 12 Apr 2 Apr 16 Aug 18 May 28 – Jun 25 40–55
Parsnip — Apr 2 — Aug 18 Jul 16 – Aug 27 100–130
Patty Pan Squash Mar 19 Apr 23 Apr 30 — Jun 18 – Jul 16 45–60
Peas Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Aug 6 55–70
Peppers Feb 12 Apr 23 Apr 30 — Jul 2 – Sep 10 60–90
Pole Beans Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 20 55–70
Potatoes Feb 26 Apr 23 Apr 30 — Jul 9 – Sep 17 70–120
Pumpkin Mar 19 Apr 23 Apr 30 — Jul 30 – Sep 17 85–120
Purslane Mar 12 Apr 2 Apr 16 Aug 18 May 28 – Jul 2 40–60
Radicchio Mar 12 Apr 2 Apr 16 Aug 18 Jun 18 – Jul 23 60–80
Radish — Apr 2 — Aug 18 Apr 30 – May 21 22–35
Rhubarb — — May 7 — — 365–730
Romanesco Mar 12 Apr 2 Apr 16 Aug 18 Jul 2 – Aug 13 75–100
Rutabaga — Apr 2 — Aug 18 Jun 25 – Jul 30 80–100
Salsify — Apr 2 — Aug 18 Jul 16 – Aug 27 100–130
Savoy Cabbage Mar 12 Apr 2 Apr 16 Aug 18 Jun 25 – Aug 20 70–110
Scallions Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Jul 9 50–70
Scarlet Runner Beans Feb 26 Apr 23 Apr 30 — Jul 2 – Aug 6 60–80
Shallot Mar 12 Apr 2 Apr 16 Aug 18 Jul 16 – Sep 3 90–120
Shiso Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 20 50–70
Snap Peas Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 20 55–70
Snow Peas Mar 12 Apr 2 Apr 16 Aug 18 Jun 11 – Aug 6 50–65
Soybeans — Apr 23 — — Jul 16 – Sep 10 80–120
Spaghetti Squash Mar 19 Apr 23 Apr 30 — Jul 30 – Aug 27 85–100
Spinach Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jul 23 35–50
Squash (Summer) Mar 19 Apr 23 Apr 30 — Jun 18 – Aug 20 45–65
Squash (Winter) Mar 19 Apr 23 Apr 30 — Jul 23 – Sep 17 80–120
Sunchoke — — Apr 30 — Aug 20 – Oct 15 110–150
Sweet Corn — Apr 23 — — Jun 25 – Aug 6 60–90
Sweet Potatoes Feb 26 Apr 23 Apr 30 — Jul 30 – Sep 17 90–120
Tatsoi Mar 12 Apr 2 Apr 16 Aug 18 May 21 – Jun 25 35–50
Tomatillo Feb 26 Apr 23 Apr 30 — Jul 2 – Sep 10 60–85
Tomatoes Feb 26 Apr 23 Apr 30 — Jul 2 – Sep 10 60–85
Turnip — Apr 2 — Aug 18 May 14 – Jun 18 40–60
Watercress Mar 12 Apr 2 Apr 16 Aug 18 May 28 – Jul 2 40–60
Watermelon Mar 19 Apr 23 Apr 30 — Jul 9 – Aug 27 70–100
Wax Beans — Apr 23 — — Jun 18 – Aug 13 50–65
Winter Melon Feb 26 Apr 23 Apr 30 — Jul 30 – Sep 17 90–120
Yard Long Beans Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 6 55–80
Zucchini Mar 19 Apr 23 Apr 30 — Jun 18 – Aug 13 45–60

🍓 Fruits to Grow in Chester County

31 fruits that grow well in Zone 7a with planting dates for Chester County.

Show all 31 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries — — May 7 — Aug 6 – Nov 19 90–180
Aronia — — May 7 — — 730–1095
Blackberries — — May 7 — — 365–730
Blueberries — — May 7 — — 730–1095
Boysenberries — — May 7 — — 365–730
Cantaloupe — — May 7 — Jul 16 – Aug 20 70–90
Che Fruit — — May 7 — — 1095–1825
Cranberries — — May 7 — — 730–1095
Currants — — May 7 — — 730–1095
Elderberries — — May 7 — — 730–1095
Figs — — May 7 — — 730–1825
Goji Berries — — May 7 — — 730–1095
Gooseberries — — May 7 — — 730–1095
Grapes — — May 7 — — 730–1095
Ground Cherry — — May 7 — Jul 16 – Sep 10 65–80
Hardy Kiwi — — May 7 — — 1095–1825
Haskaps — — May 7 — — 730–1095
Honeydew — — May 7 — Jul 30 – Sep 10 80–110
Jostaberry — — May 7 — — 730–1095
Kiwi — — May 7 — — 1095–1825
Lingonberries — — May 7 — — 730–1095
Loquat — — May 7 — — 730–1825
Medlar — — May 7 — — 1095–1825
Mulberries — — May 7 — — 730–1825
Pawpaw — — May 7 — — 1095–2555
Persimmon — — May 7 — — 1095–2555
Pomegranate — — May 7 — — 730–1095
Quince — — May 7 — — 1095–1825
Raspberries — — May 7 — — 365–730
Serviceberries — — May 7 — — 730–1095
Strawberries — — May 7 — Aug 6 – Dec 17 90–365

🌿 Herbs to Grow in Chester County

36 herbs that grow well in Zone 7a with planting dates for Chester County.

Show all 36 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 12 Apr 2 Apr 9 Aug 18 — 365–730
Anise Mar 12 Apr 2 Apr 9 Aug 18 Jul 9 – Sep 24 90–120
Basil Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 27 50–75
Bee Balm — — Apr 23 — Jul 23 – Oct 8 90–120
Borage Mar 12 Apr 2 Apr 9 Aug 18 Jun 4 – Jul 23 50–60
Caraway Mar 12 Apr 2 Apr 9 Aug 18 — 365–450
Catnip — — Apr 23 — Jun 25 – Aug 27 60–80
Chamomile Mar 12 Apr 2 Apr 9 Aug 18 Jun 11 – Aug 20 60–90
Chervil Mar 12 Apr 2 Apr 9 Aug 18 May 21 – Jul 23 40–60
Chives — — Apr 23 — Jun 25 – Sep 3 60–90
Cilantro Mar 12 Apr 2 Apr 9 Aug 18 May 21 – Jul 23 40–60
Comfrey — — Apr 23 — Jun 25 – Sep 3 60–90
Cumin Mar 12 Apr 2 Apr 9 Aug 18 Jul 23 – Sep 24 100–120
Dill Mar 12 Apr 2 Apr 9 Aug 18 May 21 – Jul 23 40–60
Epazote Feb 26 Apr 23 Apr 30 — Jun 18 – Aug 13 45–60
Fennel (herb) Mar 12 Apr 2 Apr 9 Aug 18 Jun 11 – Aug 20 60–90
Feverfew — — Apr 23 — Jul 23 – Oct 8 90–120
Garlic Chives — — Apr 23 — Jun 25 – Sep 3 60–90
Horehound — — Apr 23 — Jul 9 – Sep 3 75–90
Hyssop — — Apr 23 — Jul 2 – Sep 3 70–90
Lemon Balm — — Apr 23 — Jun 25 – Aug 13 60–70
Lemon Thyme — — Apr 23 — Jul 2 – Sep 3 70–90
Lovage — — Apr 23 — Jul 2 – Sep 3 70–90
Marjoram — — Apr 23 — Jun 25 – Sep 3 60–90
Mint — — Apr 23 — Jun 25 – Sep 3 60–90
Oregano — — Apr 23 — Jun 25 – Sep 3 60–90
Parsley Mar 12 Apr 2 Apr 9 Aug 18 Jun 11 – Aug 13 60–80
Rosemary — — Apr 23 — Jul 16 – Dec 3 80–180
Rue — — Apr 23 — Jul 2 – Sep 3 70–90
Sage — — Apr 23 — Jul 9 – Sep 3 75–90
Savory — — Apr 23 — Jun 18 – Aug 13 50–70
Sorrel Mar 12 Apr 2 Apr 9 Aug 18 May 21 – Jul 23 40–60
Tarragon — — Apr 23 — Jun 25 – Sep 3 60–90
Thai Basil Feb 26 Apr 23 Apr 30 — Jun 25 – Aug 27 50–75
Thyme — — Apr 23 — Jul 2 – Sep 3 70–90
Valerian — — Apr 23 — Aug 27 – Dec 3 120–180

🌸 Flowers to Grow in Chester County

53 flowers that grow well in Zone 7a with planting dates for Chester County.

Show all 53 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 5 Apr 16 Apr 16 — Jun 11 – Oct 1 60–75
Alliums — — — Sep 22 Oct 20 – Nov 10 28–42
Anemones — — — Sep 1 Sep 15 – Oct 13 90–120
Astilbe Feb 12 — Apr 23 — Jul 2 – Aug 27 70–100
Bachelor's Button Mar 5 Mar 12 Apr 16 Sep 1 Jun 18 – Sep 17 60–90
Begonias Feb 5 — Apr 16 — Jun 25 – Oct 15 70–90
Black-eyed Susan Feb 12 Apr 16 Apr 23 — Jul 2 – Nov 5 60–80
Bleeding Hearts Feb 12 — Apr 23 — Jun 11 – Jul 16 60–90
Calendula Mar 5 Mar 12 Apr 16 Sep 1 Jun 4 – Sep 17 50–70
California Poppy — Mar 19 — Sep 1 May 28 – Aug 6 60–90
Celosia Mar 19 Apr 16 Apr 16 — Jun 18 – Oct 15 60–90
Columbine Feb 19 Apr 23 Apr 23 — Jun 11 – Jul 16 70–100
Coreopsis Feb 12 Apr 16 Apr 23 — Jun 25 – Nov 5 60–80
Cosmos Mar 19 Apr 16 Apr 16 — Jun 25 – Oct 15 60–90
Crocus — — — Sep 22 Aug 18 – Sep 8 10–20
Daffodils — — — Sep 22 Aug 25 – Sep 15 20–40
Dahlias Mar 19 Apr 23 Apr 23 — Jul 2 – Nov 5 70–120
Daylily Feb 12 — Apr 23 — Jul 2 – Nov 5 60–90
Dianthus Feb 19 Mar 12 Mar 26 — May 14 – Aug 13 60–80
Echinacea (Purple Coneflower) Feb 12 Apr 23 Apr 23 — Jul 9 – Nov 5 70–90
Foxglove Feb 19 Apr 23 Apr 23 — Jun 11 – Jul 16 80–120
Gaillardia (Blanket Flower) Feb 26 Apr 23 Apr 23 — Jul 2 – Nov 19 70–100
Geraniums Feb 5 — Apr 16 — Jun 25 – Oct 15 70–100
Gladiolus — Apr 16 Apr 16 — Jun 25 – Oct 29 70–100
Hostas Feb 5 — Apr 23 — Jul 2 – Nov 5 60–90
Hyacinths — — — Sep 22 Sep 15 – Oct 6 14–28
Hydrangeas Feb 5 — Apr 23 — Jul 2 – Oct 22 90–150
Impatiens Feb 19 — Apr 23 — Jul 2 – Oct 22 60–75
Irises — Division Apr 23 — Jun 11 – Jul 16 60–100
Larkspur — Mar 19 — Aug 18 May 28 – Aug 6 60–90
Lavender Feb 12 — Apr 30 — Jul 9 – Sep 17 90–120
Lilies — Division Apr 23 — Jul 2 – Oct 22 70–120
Lobelia Feb 12 — Mar 26 — May 21 – Aug 13 70–80
Lupine Feb 19 Apr 23 Apr 23 — Jun 11 – Jul 16 75–100
Marigolds Mar 5 Apr 16 Apr 16 — Jun 11 – Sep 17 50–70
Nasturtium Mar 19 Apr 16 Apr 16 — Jun 11 – Oct 15 55–65
Pansy Feb 5 — Apr 16 Aug 18 Jun 11 – Aug 20 70–90
Peonies — Division Apr 23 — Jun 18 – Jul 23 90–120
Petunia Feb 19 — Apr 23 — Jul 2 – Oct 22 70–90
Phlox Feb 12 Apr 23 Apr 23 — Jul 2 – Sep 24 80–110
Portulaca Mar 19 Apr 16 Apr 16 — Jun 4 – Oct 1 50–70
Ranunculus — — — Sep 1 Sep 29 – Oct 27 90–120
Roses Feb 5 — Apr 23 — Jul 2 – Nov 5 90–180
Salvia Feb 19 — Apr 16 — Jun 25 – Oct 15 70–90
Sedum (Stonecrop) Feb 12 — Apr 23 — Aug 13 – Nov 5 60–90
Snapdragon Feb 5 Mar 19 Apr 16 Sep 1 Jun 25 – Sep 17 70–100
Sunflower Mar 26 Apr 16 Apr 16 — Jul 9 – Oct 15 70–100
Sweet Alyssum Mar 5 Mar 19 Apr 16 Sep 15 May 28 – Aug 20 45–60
Sweet Pea — Mar 12 — Sep 1 May 21 – Aug 13 65–85
Tulips — — — Sep 22 Sep 8 – Sep 29 15–30
Vinca (Annual) Feb 5 — Apr 16 — Jun 25 – Oct 15 70–90
Yarrow Feb 12 Apr 16 Apr 23 — Jun 25 – Nov 5 60–90
Zinnia Mar 19 Apr 16 Apr 16 — Jun 25 – Oct 15 60–70

Monthly Planting Guide for Chester County