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Delaware County, NY — Planting Guide

Delaware County, New York Zone 5b June

What to do in June

June is a pivotal month for Delaware County, New York gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost May 11
Avg. first frost October 8
Soil temp (4") 69°F
Watering Low
Pest pressure High
Daylight 15.1 hrs
  1. Move alpine strawberries, aronia, and blackberries into the garden

    Bring a watering can to the bed. Each transplant gets a drink the moment it's in the ground, not ten minutes later.

  2. Fire up the seed-starting tray: basil, cucumber, and kale

    Label every cell. You will absolutely forget which is which otherwise.

  3. Pick carrots, lettuce, and radish

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

Coming up in July — start thinking about
  • Starting indoors: peppers, pole beans, and tomatoes
  • First harvests: basil, carrots, and cucumber
  • Fall sowing: carrots, kale, and lettuce

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Delaware County is in USDA Zone 5b. The average last spring frost is May 11 and the first fall frost is October 8, giving you a growing season of approximately 150 days.

At an elevation of 1,053 ft, Delaware County receives approximately 44.2 in of rainfall annually. Summer highs average 84°F with winter lows around 13°F. The predominant soil type is Silt Loam.

Based on 31 years of NOAA climate station data, the last frost date here varies by 28 days year to year — ranging from April 27 in warm years to May 25 in cold years. The growing season is trending longer by about 3.13 days per decade. Delaware County scores 59/100 (Moderate) on the Microclimate Index.

🌡️ Zone

5b (-15°F to -10°F min)

❄️ Last Frost

May 11

🍂 First Frost

October 8

📅 Growing Season

150 days

⛰️ Elevation

1,053 ft

🌧️ Annual Rainfall

44.2 in

Delaware County, NY Moderate season
150 days
Last Spring Frost May 11
150 growing days
First Fall Frost October 8

Monthly Watering Calendar for Delaware County

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

Why it matters: Watering by the calendar wastes water. Watering by the soil moisture (or by a free rain gauge) cuts your water use 30%+ and produces healthier roots. Delaware County's 44" annual baseline is the starting point.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 3" Feb 3.5" Mar 3.8" Apr 4.4" +0.8" May 3.5" Jun 4.1" Jul 4" +0.5" Aug 3.8" +0.7" Sep 3.6" +0.8" Oct 3.5" Nov 3.5" Dec 3.5"
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 3.5 in 10 days None
Mar 3.8 in 11 days None
Apr 4.4 in 9 days Low
May 3.5 in 11 days 0.8 in Moderate
Jun 4.1 in 9 days 0.2 in Low
Jul 4 in 9 days 0.3 in Low
Aug 3.8 in 8 days 0.5 in Low
Sep 3.6 in 9 days 0.7 in Moderate
Oct 3.5 in 8 days 0.8 in Moderate
Nov 3.5 in 9 days None
Dec 3.5 in 9 days None

Annual total: 44.2 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.

Delaware County Soil Profile

Soil Type

Silt Loam

Soil pH

4.9-6.5

Drainage

Well Drained

Frost Risk Probability

Based on 31 years of NOAA weather station data from 3 stations

Too early frost risk Safe to Plant May 11 → Oct 8 150 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Safe: May 25 Protect by: Oct 23

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 25 Oct 23 151 days
Cautious May 17 Oct 16 152 days
Average year May 11 Oct 8 150 days
Optimistic May 4 Oct 4 153 days
Aggressive (risky) Apr 27 Sep 23 149 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±28 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 3.1 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

59 Moderate
Frost Timing Risk
10.0/10
Drought Risk
1.5/10
Soil Difficulty
3.0/10
Altitude Challenge
0.1/10
Climate Shift
10.0/10
Rainfall Challenge
0.0/10

Delaware County presents some gardening challenges. Choose adapted varieties and plan around frost dates.

Zone 5b Frost Countdown
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Loading...
Last Frost: May 11 First Frost: Oct 8

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

County Extension Office

Delaware 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.

Find Master Gardeners in NY →

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 Delaware County

Soil testing Pest diagnostics Master Gardener hotline Workshops
Finding local nurseries & garden centers in Delaware County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Delaware 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 Delaware County NY" or "garden center Delaware 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 Delaware County NY" or check your extension office and local parks department. Facebook groups like "Delaware 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
After Beets (harvest ends Aug 3) 66 days until frost
After Peas (harvest ends Aug 31) 38 days until frost
After Lettuce (harvest ends Aug 24) 45 days until frost
After Cauliflower (harvest ends Sep 7) 31 days until frost
After Cabbage (harvest ends Sep 7) 31 days until frost
After Chard (harvest ends Aug 24) 45 days until frost

Sunlight & Day Length in Delaware County

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

For new gardeners: Photoperiod-sensitive crops will fail spectacularly if planted at the wrong latitude. Sweet onions in Michigan? Tiny. Spanish onions in Florida? Tiny. Match variety to Delaware County's daylight pattern and you'll see the difference.

Longest Day

15.1 hours

Summer solstice daylight

Shortest Day

8.9 hours

Winter solstice daylight

Peak Sun Hours

8.9 hr/day peak (summer)

Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.

14hr 12hr 2h 6h 10h 13h 17h 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 9.2 hr 3.4 hr Short day
February 10.4 hr 4.4 hr Short day
March 11.7 hr 5.5 hr Short day
April 13.2 hr 6.5 hr Neutral
May 14.4 hr 7.5 hr Long day
June 15.1 hr 8.4 hr Long day
July 14.8 hr 8.9 hr Long day
August 13.7 hr 7.2 hr Neutral
September 12.3 hr 6.1 hr Neutral
October 10.8 hr 5.1 hr Short day
November 9.6 hr 3.6 hr Short day
December 8.9 hr 3 hr Short day

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

Soil Temperature & Composting in Delaware County

Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.

What this means for you: Mulched soil swings less. The mulch insulates against both winter cold and summer heat. In Delaware County, an aggressive mulch program shifts your effective soil temperature curve toward optimal for most crops.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from Jun through Sep.

Best Month to Compost

Jun

Microbial activity peaks when soil is warm.

Active Composting

6 months

Solid season. Piles go dormant in winter.

60°F 70°F 10° 30° 50° 70° 90° 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 22°F 31°F ❄️ Dormant ~36 weeks
Feb 25°F 30°F ❄️ Dormant ~36 weeks
Mar 32°F 35°F ❄️ Dormant ~36 weeks
Apr 47°F 43°F 🐢 Slow ~24 weeks
May 56°F 54°F ♻️ Active ~14 weeks
Jun 69°F 63°F 🔥 Peak ~8 weeks
Jul 75°F 70°F 🔥 Peak ~8 weeks
Aug 77°F 72°F 🔥 Peak ~8 weeks
Sep 70°F 69°F 🔥 Peak ~8 weeks
Oct 57°F 59°F ♻️ Active ~14 weeks
Nov 43°F 48°F 🐢 Slow ~24 weeks
Dec 30°F 37°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 Delaware County

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

Quick context: Pest and disease pressure is the X-factor most beginners under-plan for. Delaware County's climate determines whether you can mostly "plant and see" or whether you need a pest-management routine from the first seedling.

Insect Pest Pressure

4.9 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

5.5 / 10

Moderate — watch for mildew and blight during wet periods.

Seasonal Risk

Spring Low
Summer High
Fall Low
Winter Low
View 5 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate May, Jun, Jul, Aug
Japanese beetles Moderate Jun, Jul, Aug
Squash bugs Low Jun, Jul, Aug
Tomato hornworms Moderate Jul, Aug
Cabbage loopers Moderate May, Jun, Jul, Aug
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 Delaware County

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

Why it matters: 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 (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 15 Jul 30 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass May 17 Jul 30 Massive biomass, breaks compaction, suppresses nematodes
White clover Apr 14 Aug 6 ✓ 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 2 Sep 17 Deep roots break compaction, attract pollinators and beneficial insects
Fall Cover Crops (6 options) — Plant after harvest to protect soil over winter
Crop Plant By Terminate N-Fixing Soil Benefit
Austrian winter peas Aug 5 Apr 27 ✓ Yes Fixes nitrogen, good for heavy clay soils
Daikon radish Aug 25 Apr 20 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 23 Apr 27 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 9 Apr 27 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 1 Apr 27 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 13 Apr 27 Erosion control, weed suppression, good biomass

Wind & Microclimate in Delaware County

Why it matters: A 10 mph wind doesn't feel like much, but it triples leaf transpiration vs. still air. Delaware County's 9.0 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: 9 mph

Fall: 11 mph   Winter: 15 mph

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

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

Moderate

Some terrain variation (580 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.

Rainwater Harvesting in Delaware County

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

Why it matters: Building a rainwater system is mostly about doing the math: roof area × annual rainfall × 0.6 = gallons you could realistically capture. For Delaware County, that's your 44" times your roof.

Annual Collection

22,029 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

Mar, Apr, Jun, Jul

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

Months to Draw From Storage

Jan, 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 44.2 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 22,029 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Jan, Nov, Dec)
  • Use a first-flush diverter to keep roof debris out of your collection

Soil & Growing Conditions in Delaware County

Soil Type

Silt Loam

Soil pH 4.9–6.5 · Somewhat Poorly Drained drainage

Good candidate for raised beds to maximise drainage and extend the season.

Watering Needs

Drought stress: 1.5/10

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

Season Tips

150-day frost-free season

Start warm-season crops indoors and focus on short-season varieties. Cold frames extend your season by 3–4 weeks in fall.

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.

📏
Digital pH Meter $10-20

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

🍂
Organic Compost $8-30

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

🥬 Vegetables to Grow in Delaware County

105 vegetables that grow well in Zone 5b with planting dates for Delaware County.

Show all 105 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Apr 6 May 18 May 25 Aug 17 – Sep 21 80–100
Amaranth Mar 16 May 18 May 25 Aug 24 – Oct 12 90–120
Arugula Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Aug 17 30–50
Asparagus May 25 730–1095
Beets Apr 27 Jul 30 Jun 22 – Jul 20 50–70
Belgian Endive Apr 6 Apr 27 May 11 Jul 30 Aug 31 – Oct 26 110–150
Bitter Melon Mar 16 May 18 May 25 Jul 27 – Sep 7 60–90
Black Beans May 18 Aug 17 – Oct 5 90–120
Bok Choy Apr 6 Apr 27 May 11 Jul 30 Jun 22 – Jul 27 40–60
Broccoli Apr 6 Apr 27 May 11 Jul 30 Jul 13 – Aug 24 60–90
Broccoli Rabe Apr 6 Apr 27 May 11 Jul 30 Jun 22 – Jul 27 40–60
Brussels Sprouts Apr 6 Apr 27 May 11 Jul 30 Aug 10 – Oct 5 90–130
Butternut Squash Apr 6 May 18 May 25 Aug 24 – Sep 28 85–110
Cabbage Apr 6 Apr 27 May 11 Jul 30 Jul 13 – Sep 7 60–100
Calabash Mar 16 May 18 May 25 Aug 17 – Oct 12 80–120
Carrots Apr 27 Jul 30 Jun 29 – Aug 3 60–80
Cauliflower Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Sep 7 55–100
Celeriac Apr 6 Apr 27 May 11 Jul 30 Aug 24 – Sep 28 100–120
Celery Apr 6 Apr 27 May 11 Jul 30 Aug 3 – Sep 28 80–120
Celtuce Apr 6 Apr 27 May 11 Jul 30 Jul 13 – Aug 24 60–90
Chard Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 24 50–60
Chickpeas Apr 6 Apr 27 May 11 Jul 30 Aug 3 – Sep 14 80–110
Chicory Apr 6 Apr 27 May 11 Jul 30 Jul 13 – Aug 24 60–85
Chinese Cabbage Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 3 50–70
Christmas Lima Beans Mar 16 May 18 May 25 Aug 17 – Sep 21 80–100
Collard Greens Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Sep 7 55–75
Corn May 18 Jul 20 – Sep 14 60–100
Cowpeas May 18 Jul 20 – Aug 31 60–90
Cress Apr 6 Apr 27 May 11 Jul 30 May 25 – Jun 15 14–21
Crookneck Squash Apr 6 May 18 May 25 Jul 13 – Aug 10 45–60
Crosne Apr 27 Jul 30 Sep 28 – Oct 12 150–200
Cucumber Apr 6 May 18 May 25 Jul 20 – Sep 14 50–70
Daikon Apr 27 Jul 30 Jun 22 – Jul 20 50–70
Delicata Squash Apr 6 May 18 May 25 Aug 17 – Sep 21 80–100
Edamame May 18 Aug 3 – Sep 14 75–100
Eggplant Mar 2 May 18 May 25 Aug 3 – Oct 5 65–85
Endive Apr 6 Apr 27 May 11 Jul 30 Jun 29 – Aug 3 45–65
Escarole Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 3 50–70
Fava Beans Apr 6 Apr 27 May 11 Jul 30 Jul 27 – Sep 7 75–100
Fennel Mar 16 May 18 May 25 Jul 27 – Sep 7 60–90
Garlic Aug 27 Nov 26 – Feb 11 90–240
Green Beans May 18 Jul 13 – Sep 7 50–65
Horseradish May 25 Sep 28 – Nov 9 120–180
Hot Peppers Mar 2 May 18 May 25 Aug 3 – Nov 9 70–120
Hubbard Squash Apr 6 May 18 May 25 Sep 7 – Oct 12 100–120
Kabocha Apr 6 May 18 May 25 Aug 24 – Sep 21 85–100
Kai Lan Apr 6 Apr 27 May 11 Jul 30 Jun 29 – Jul 27 45–60
Kale Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 31 50–70
Kidney Beans May 18 Aug 17 – Sep 21 85–110
Kohlrabi Apr 6 Apr 27 May 11 Jul 30 Jun 29 – Aug 3 45–65
Komatsuna Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Jul 20 35–50
Leeks Apr 6 Apr 27 May 11 Jul 30 Aug 10 – Oct 26 90–150
Lentils Apr 6 Apr 27 May 11 Jul 30 Aug 3 – Sep 14 80–110
Lettuce Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Aug 24 30–60
Lima Beans May 18 Jul 20 – Aug 31 60–90
Mache Apr 6 Apr 27 May 11 Jul 30 Jun 22 – Jul 27 40–60
Melon Apr 6 May 18 May 25 Aug 3 – Sep 21 70–100
Microgreens Apr 6 Apr 27 May 11 Jul 30 May 18 – Jun 15 7–21
Mitsuba Apr 6 Apr 27 May 4 Jul 30 Jun 29 – Aug 24 50–70
Mizuna Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Jul 13 30–45
Mustard Greens Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Aug 17 30–50
Napa Cabbage Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 10 55–75
New Zealand Spinach Mar 16 May 18 May 25 Jul 20 – Aug 17 55–70
Okra Mar 16 May 18 May 25 Jul 20 – Sep 14 50–65
Onion Apr 6 Apr 27 May 11 Jul 30 Aug 10 – Sep 28 90–120
Pac Choi Apr 6 Apr 27 May 11 Jul 30 Jun 22 – Jul 20 40–55
Parsnip Apr 27 Jul 30 Aug 10 – Sep 21 100–130
Patty Pan Squash Apr 6 May 18 May 25 Jul 13 – Aug 10 45–60
Peas Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 31 55–70
Peppers Mar 2 May 18 May 25 Jul 27 – Oct 5 60–90
Pole Beans Mar 16 May 18 May 25 Jul 20 – Sep 14 55–70
Potatoes Mar 16 May 18 May 25 Aug 3 – Oct 12 70–120
Pumpkin Apr 6 May 18 May 25 Aug 24 – Oct 12 85–120
Purslane Apr 6 Apr 27 May 11 Jul 30 Jun 22 – Jul 27 40–60
Radicchio Apr 6 Apr 27 May 11 Jul 30 Jul 13 – Aug 17 60–80
Radish Apr 27 Jul 30 May 25 – Jun 15 22–35
Rhubarb Jun 1 365–730
Romanesco Apr 6 Apr 27 May 11 Jul 30 Jul 27 – Sep 7 75–100
Rutabaga Apr 27 Jul 30 Jul 20 – Aug 24 80–100
Salsify Apr 27 Jul 30 Aug 10 – Sep 21 100–130
Savoy Cabbage Apr 6 Apr 27 May 11 Jul 30 Jul 20 – Sep 14 70–110
Scallions Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 3 50–70
Scarlet Runner Beans Mar 16 May 18 May 25 Jul 27 – Aug 31 60–80
Shallot Apr 6 Apr 27 May 11 Jul 30 Aug 10 – Sep 28 90–120
Shiso Mar 23 May 18 May 25 Jul 20 – Sep 14 50–70
Snap Peas Mar 16 May 18 May 25 Jul 20 – Sep 14 55–70
Snow Peas Apr 6 Apr 27 May 11 Jul 30 Jul 6 – Aug 31 50–65
Soybeans May 18 Aug 10 – Oct 5 80–120
Spaghetti Squash Apr 6 May 18 May 25 Aug 24 – Sep 21 85–100
Spinach Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Aug 17 35–50
Squash (Summer) Apr 6 May 18 May 25 Jul 13 – Sep 14 45–65
Squash (Winter) Apr 6 May 18 May 25 Aug 17 – Oct 12 80–120
Sunchoke May 25 Sep 14 – Nov 9 110–150
Sweet Corn May 18 Jul 20 – Aug 31 60–90
Sweet Potatoes Mar 16 May 18 May 25 Aug 24 – Oct 12 90–120
Tatsoi Apr 6 Apr 27 May 11 Jul 30 Jun 15 – Jul 20 35–50
Tomatillo Mar 16 May 18 May 25 Jul 27 – Oct 5 60–85
Tomatoes Mar 16 May 18 May 25 Jul 27 – Oct 5 60–85
Turnip Apr 27 Jul 30 Jun 8 – Jul 13 40–60
Watercress Apr 6 Apr 27 May 11 Jul 30 Jun 22 – Jul 27 40–60
Watermelon Apr 6 May 18 May 25 Aug 3 – Sep 21 70–100
Wax Beans May 18 Jul 13 – Sep 7 50–65
Winter Melon Mar 16 May 18 May 25 Aug 24 – Oct 12 90–120
Yard Long Beans Mar 16 May 18 May 25 Jul 20 – Aug 31 55–80
Zucchini Apr 6 May 18 May 25 Jul 13 – Sep 7 45–60

🍓 Fruits to Grow in Delaware County

27 fruits that grow well in Zone 5b with planting dates for Delaware County.

Show all 27 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Jun 1 Aug 31 – Nov 16 90–180
Aronia Jun 1 730–1095
Blackberries Jun 1 365–730
Blueberries Jun 1 730–1095
Boysenberries Jun 1 365–730
Cantaloupe Jun 1 Aug 10 – Sep 14 70–90
Che Fruit Jun 1 1095–1825
Cranberries Jun 1 730–1095
Currants Jun 1 730–1095
Elderberries Jun 1 730–1095
Goji Berries Jun 1 730–1095
Gooseberries Jun 1 730–1095
Grapes Jun 1 730–1095
Ground Cherry Jun 1 Aug 10 – Oct 5 65–80
Hardy Kiwi Jun 1 1095–1825
Haskaps Jun 1 730–1095
Honeydew Jun 1 Aug 24 – Oct 5 80–110
Jostaberry Jun 1 730–1095
Lingonberries Jun 1 730–1095
Medlar Jun 1 1095–1825
Mulberries Jun 1 730–1825
Pawpaw Jun 1 1095–2555
Persimmon Jun 1 1095–2555
Quince Jun 1 1095–1825
Raspberries Jun 1 365–730
Serviceberries Jun 1 730–1095
Strawberries Jun 1 Aug 31 – Nov 16 90–365

🌿 Herbs to Grow in Delaware County

34 herbs that grow well in Zone 5b with planting dates for Delaware County.

Show all 34 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Apr 6 Apr 27 May 4 Jul 30 365–730
Anise Apr 6 Apr 27 May 4 Jul 30 Aug 3 – Oct 19 90–120
Basil Mar 23 May 18 May 25 Jul 20 – Sep 21 50–75
Bee Balm May 18 Aug 17 – Nov 2 90–120
Borage Apr 6 Apr 27 May 4 Jul 30 Jun 29 – Aug 17 50–60
Caraway Apr 6 Apr 27 May 4 Jul 30 365–450
Catnip May 18 Jul 20 – Sep 21 60–80
Chamomile Apr 6 Apr 27 May 4 Jul 30 Jul 6 – Sep 14 60–90
Chervil Apr 6 Apr 27 May 4 Jul 30 Jun 15 – Aug 17 40–60
Chives May 18 Jul 20 – Sep 28 60–90
Cilantro Apr 6 Apr 27 May 4 Jul 30 Jun 15 – Aug 17 40–60
Comfrey May 18 Jul 20 – Sep 28 60–90
Cumin Apr 6 Apr 27 May 4 Jul 30 Aug 17 – Oct 19 100–120
Dill Apr 6 Apr 27 May 4 Jul 30 Jun 15 – Aug 17 40–60
Epazote Mar 23 May 18 May 25 Jul 13 – Sep 7 45–60
Fennel (herb) Apr 6 Apr 27 May 4 Jul 30 Jul 6 – Sep 14 60–90
Feverfew May 18 Aug 17 – Nov 2 90–120
Garlic Chives May 18 Jul 20 – Sep 28 60–90
Horehound May 18 Aug 3 – Sep 28 75–90
Hyssop May 18 Jul 27 – Sep 28 70–90
Lemon Balm May 18 Jul 20 – Sep 7 60–70
Lemon Thyme May 18 Jul 27 – Sep 28 70–90
Lovage May 18 Jul 27 – Sep 28 70–90
Mint May 18 Jul 20 – Sep 28 60–90
Oregano May 18 Jul 20 – Sep 28 60–90
Parsley Apr 6 Apr 27 May 4 Jul 30 Jul 6 – Sep 7 60–80
Rue May 18 Jul 27 – Sep 28 70–90
Sage May 18 Aug 3 – Sep 28 75–90
Savory May 18 Jul 13 – Sep 7 50–70
Sorrel Apr 6 Apr 27 May 4 Jul 30 Jun 15 – Aug 17 40–60
Tarragon May 18 Jul 20 – Sep 28 60–90
Thai Basil Mar 23 May 18 May 25 Jul 20 – Sep 21 50–75
Thyme May 18 Jul 27 – Sep 28 70–90
Valerian May 18 Sep 21 – Nov 2 120–180

🌸 Flowers to Grow in Delaware County

51 flowers that grow well in Zone 5b with planting dates for Delaware County.

Show all 51 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 23 May 18 May 18 Jul 13 – Oct 12 60–75
Alliums Aug 27 Oct 1 – Oct 22 28–42
Anemones Apr 13 May 11 Jun 15 – Jul 13 90–120
Astilbe Mar 9 May 25 Aug 10 – Oct 19 70–100
Bachelor's Button Mar 30 Apr 20 May 11 Jul 13 – Sep 28 60–90
Begonias Mar 2 May 18 Jul 27 – Oct 19 70–90
Black-eyed Susan Mar 9 May 11 May 25 Aug 10 – Nov 16 60–80
Bleeding Hearts Mar 9 May 25 Jul 20 – Aug 31 60–90
Calendula Mar 30 Apr 20 May 11 Jun 29 – Sep 28 50–70
Celosia Apr 6 May 18 May 18 Jul 20 – Oct 26 60–90
Columbine Mar 9 May 25 May 25 Jul 20 – Aug 31 70–100
Coreopsis Mar 9 May 18 May 25 Aug 3 – Nov 16 60–80
Cosmos Apr 13 May 11 May 11 Jul 20 – Oct 19 60–90
Crocus Aug 27 Jul 9 – Jul 30 10–20
Daffodils Aug 27 Jul 16 – Aug 6 20–40
Dahlias Apr 13 May 18 May 18 Aug 10 – Nov 9 70–120
Daylily Mar 9 May 25 Aug 17 – Nov 16 60–90
Dianthus Mar 9 Apr 13 Apr 27 Jun 15 – Sep 7 60–80
Echinacea (Purple Coneflower) Mar 9 May 25 May 25 Aug 17 – Nov 16 70–90
Foxglove Mar 9 May 25 May 25 Jul 20 – Aug 31 80–120
Gaillardia (Blanket Flower) Mar 16 May 18 May 18 Jul 27 – Nov 16 70–100
Geraniums Mar 2 May 18 Jul 27 – Oct 19 70–100
Gladiolus May 18 May 18 Aug 10 – Nov 9 70–100
Hostas Mar 2 May 25 Aug 17 – Nov 16 60–90
Hyacinths Aug 27 Aug 6 – Sep 3 14–28
Hydrangeas Mar 2 May 25 Aug 10 – Nov 2 90–150
Impatiens Mar 16 May 18 Jul 27 – Oct 26 60–75
Irises Division May 25 Jul 20 – Aug 24 60–100
Larkspur Apr 13 Jun 22 – Aug 17 60–90
Lavender Mar 2 Jun 1 Aug 10 – Sep 28 90–120
Lilies Division May 25 Aug 3 – Nov 2 70–120
Lobelia Mar 2 May 4 Jun 29 – Sep 14 70–80
Lupine Mar 9 May 25 May 25 Jul 20 – Aug 31 75–100
Marigolds Mar 30 May 18 May 18 Jul 13 – Oct 12 50–70
Nasturtium Apr 13 May 18 May 18 Jul 13 – Oct 26 55–65
Pansy Mar 2 May 11 Jul 6 – Sep 7 70–90
Peonies Division May 25 Aug 3 – Sep 14 90–120
Petunia Mar 16 May 18 Jul 27 – Oct 26 70–90
Phlox Mar 9 May 25 May 25 Aug 10 – Nov 2 80–110
Portulaca Apr 6 May 18 May 18 Jul 6 – Oct 12 50–70
Roses Mar 2 May 25 Aug 10 – Nov 16 90–180
Salvia Mar 9 May 18 Jul 27 – Oct 26 70–90
Sedum (Stonecrop) Mar 9 May 25 Sep 21 – Nov 30 60–90
Snapdragon Mar 2 Apr 27 May 11 Jul 20 – Sep 28 70–100
Sunflower Apr 20 May 18 May 18 Aug 10 – Oct 26 70–100
Sweet Alyssum Mar 23 Apr 27 May 11 Jun 22 – Aug 31 45–60
Sweet Pea Mar 30 Apr 6 May 11 Jul 27 – Sep 28 65–85
Tulips Aug 27 Jul 30 – Aug 20 15–30
Vinca (Annual) Feb 23 May 18 Jul 27 – Oct 19 70–90
Yarrow Mar 9 May 11 May 25 Aug 3 – Nov 16 60–90
Zinnia Apr 13 May 18 May 18 Jul 27 – Oct 26 60–70

Monthly Planting Guide for Delaware County