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Marcus Hook, PA — Planting Guide for June

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Delaware County, Pennsylvania Zone 7b June

Your June game plan for Delaware County, Pennsylvania

June rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Delaware County, Pennsylvania.

Avg. last frost April 16
Avg. first frost October 24
Soil temp (4") 75°F
Watering Moderate
Pest pressure High
Daylight 14.8 hrs
  1. Fire up the seed-starting tray: basil, peppers, and pole beans

    Your window is short. These crops want several weeks of indoor growth before they go outside.

  2. Collect basil, carrots, and cucumber at their peak

    Taste as you pick. The first ripe produce is the best feedback loop you'll get all season.

July prep starts now
  • First harvests: basil, carrots, and cucumber

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Marcus Hook gardens in a wet, humid climate (47" annually). Cool-season crops like peas, lettuce, kale, and brassicas thrive in spring and fall. The biggest challenges are fungal disease and humidity-loving pests in summer — leaf spot, blight, squash bugs, vine borers. Drip irrigation (not overhead), wide plant spacing for air circulation, and disease-resistant varieties make the difference.

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 (11.3 weeks/year on average). Mulching and drip irrigation pay for themselves quickly.

🌡️ USDA Zone

7b (5°F to 10°F min)

❄️ Avg. Last Frost

April 16

🍂 Avg. First Frost

October 24

📅 Growing Season

191 days

🌧️ Climate

Humid 46.9" annual

💨 Wind

Moderate 8.7 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

11.3 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Marcus Hook, PA Moderate season
191 days
Last Spring Frost April 16
191 growing days
First Fall Frost October 24

Monthly Watering Calendar for Marcus Hook

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

For new gardeners: Most vegetables want about 1 inch of water per week. Marcus Hook gets 47" 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.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 2.9" Feb 2.3" +1.2" Mar 3.1" +0.7" Apr 3.6" +1" May 3.3" +1.1" Jun 3.2" Jul 4.2" +0.7" Aug 3.6" +0.6" Sep 3.7" +0.9" Oct 3.4" Nov 2.6" Dec 2.5"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 2.9 in 9 days None
Feb 2.3 in 8 days None
Mar 3.1 in 10 days 1.2 in Moderate
Apr 3.6 in 10 days 0.7 in Moderate
May 3.3 in 10 days 1 in Moderate
Jun 3.2 in 10 days 1.1 in Moderate
Jul 4.2 in 11 days 0.1 in Low
Aug 3.6 in 9 days 0.7 in Moderate
Sep 3.7 in 8 days 0.6 in Moderate
Oct 3.4 in 8 days 0.9 in Moderate
Nov 2.6 in 10 days None
Dec 2.5 in 9 days None

Annual total: 38.4 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.

Marcus Hook Soil Profile

Soil Type

Silt Loam

Soil pH

5-6.2

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 24 191 frost-free days Protect crops frost returns Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: May 11 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 11 Nov 4 177 days
Cautious Apr 26 Oct 31 188 days
Average year Apr 16 Oct 24 191 days
Optimistic Apr 13 Oct 18 188 days
Aggressive (risky) Mar 30 Oct 8 192 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±42 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 2.2 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

64 Good
Frost Timing Risk
10.0/10
Drought Risk
1.5/10
Soil Difficulty
1.0/10
Altitude Challenge
0.2/10
Climate Shift
8.9/10
Rainfall Challenge
0.0/10

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

Zone 7b Frost Countdown
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Loading...
Last Frost: Apr 16 First Frost: Oct 24

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 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 Delaware County

Soil testing Pest identification Master Gardener hotline
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 PA" 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 PA" or check your extension office and local parks department. Facebook groups like "Delaware 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 Potatoes (harvest ends Sep 17) 37 days until frost
After Squash (Winter) (harvest ends Sep 17) 37 days until frost
After Green Beans (harvest ends Aug 6) 79 days until frost
After Watermelon (harvest ends Aug 27) 58 days until frost
After Cantaloupe (harvest ends Aug 20) 65 days until frost
Show 6 more succession options
After Eggplant (harvest ends Sep 10) 44 days until frost
After Pole Beans (harvest ends Aug 20) 65 days until frost
After Peppers (harvest ends Sep 10) 44 days until frost
After Beets (harvest ends Jul 9) 107 days until frost
After Basil (harvest ends Aug 27) 58 days until frost
After Kale (harvest ends Aug 6) 79 days until frost

Sunlight & Day Length in Marcus Hook

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

Quick context: You can't change the sun. Picking the right day-length-matched varieties for Marcus Hook matters more than any other "fix" you make — and the seed packet tells you (look for "long-day," "short-day," "day-neutral").

Longest Day

14.8 hours

Summer solstice daylight

Shortest Day

9.2 hours

Winter solstice daylight

Peak Sun Hours

8.7 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 4.2 hr Short day
March 11.7 hr 5 hr Short day
April 13.1 hr 6 hr Neutral
May 14.2 hr 7.2 hr Long day
June 14.8 hr 7.9 hr Long day
July 14.6 hr 8.7 hr Long day
August 13.6 hr 7.5 hr Neutral
September 12.2 hr 6.2 hr Neutral
October 10.9 hr 5 hr Short day
November 9.7 hr 3.5 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 Marcus Hook

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

Quick context: Compost piles need 130-160°F internal temp to actively break down. Below 50°F ambient, microbial activity slows dramatically. Marcus Hook's soil temperature curve also tells you when your compost is working and when it's napping.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from May through Oct.

Best Month to Compost

May

Microbial activity peaks when soil is warm.

Active Composting

8 months

Nearly year-round composting.

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 38°F 44°F ❄️ Dormant ~36 weeks
Feb 36°F 42°F ❄️ Dormant ~36 weeks
Mar 44°F 47°F 🐢 Slow ~24 weeks
Apr 57°F 56°F ♻️ Active ~14 weeks
May 66°F 63°F 🔥 Peak ~8 weeks
Jun 75°F 72°F 🔥 Peak ~8 weeks
Jul 86°F 81°F 🔥 Peak ~8 weeks
Aug 86°F 81°F 🔥 Peak ~8 weeks
Sep 82°F 78°F 🔥 Peak ~8 weeks
Oct 69°F 70°F 🔥 Peak ~8 weeks
Nov 53°F 61°F ♻️ Active ~14 weeks
Dec 41°F 50°F 🐢 Slow ~24 weeks

Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.

Pest & Disease Pressure in Marcus Hook

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

Quick context: The most successful gardeners in high-pressure regions don't spray more — they design around the problem. Crop rotation, companion planting, and resistant varieties beat reactive spraying.

Insect Pest Pressure

6.4 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

7.1 / 10

High fungal/bacterial risk. Space plants for airflow, water at soil level.

Seasonal Risk

Spring Moderate
Summer High
Fall Low
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Japanese beetles Moderate Jun, Jul, Aug
Squash vine borers Moderate May, Jun, Jul
Stink bugs Moderate May, Jun, Jul, Aug, Sep
Whiteflies Moderate Jun, Jul, Aug, Sep
Spider mites Moderate 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
  • Watch for powdery mildew, downy mildew, blight — common in your climate

Cover Crops for Marcus Hook

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

Why it matters: Why not just leave bare soil? Weed seeds, erosion, nutrient leaching, and crust formation. A cover crop solves all of these for the cost of seeds and one mowing.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 21 Aug 22 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Apr 25 Aug 15 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Apr 16 Aug 29 Massive biomass, breaks compaction, suppresses nematodes
White clover Mar 17 Aug 22 ✓ Yes Living mulch, fixes nitrogen, permanent ground cover
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
Crop Plant By Terminate N-Fixing Soil Benefit
Sunflowers Apr 28 Oct 3 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 15 Apr 2 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Aug 30 Apr 2 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 10 Apr 2 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 31 Mar 26 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 16 Apr 2 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 30 Mar 26 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 18 Apr 2 Erosion control, weed suppression, good biomass

Wind & Microclimate in Marcus Hook

Why it matters: Wind is the silent water thief. Every breeze pulls moisture from leaves and soil. Marcus Hook's 8.7 mph average is one piece of the watering math: rainfall + irrigation must exceed evaporation + transpiration, and wind boosts both losses.

Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.

Seasonal Wind Speed

Spring: 11 mph   Summer: 7 mph

Fall: 8 mph   Winter: 11 mph

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

Windbreak Benefit

4.8/10

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

Frost Pocket Risk

Low

Relatively flat terrain (351 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Marcus Hook

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

The practical takeaway: The first inch of rain washes the roof clean — a first-flush diverter sends it to waste before the barrel fills. Worth the extra $20 for cleaner garden water. Marcus Hook gets 47" annually, so you'll fill and flush many times per year.

Annual Collection

19,138 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 1,000 gal tank.

Legal Status

Unrestricted

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

Best Collection Months

Apr, Jul, Aug, Sep

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

Months to Draw From Storage

Feb, Nov, Dec

Dry months when you'll rely on stored water — size your storage for this gap.

Rainwater collection tips for your area
  • Your county receives approximately 38.4 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 19,138 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Feb, Nov, Dec)
  • Use a first-flush diverter to keep roof debris out of your collection

🥬 Vegetables to Grow in Marcus Hook

112 vegetables matched to Zone 7b with planting dates calibrated for Marcus Hook.

Show all 112 vegetables with 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 15 May 21 – Jul 23 30–50
Asparagus Apr 30 730–1095
Beets Apr 2 Aug 15 May 28 – Jun 25 50–70
Belgian Endive Mar 12 Apr 2 Apr 16 Aug 15 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 15 May 28 – Jul 2 40–60
Broccoli Mar 12 Apr 2 Apr 16 Aug 15 Jun 18 – Jul 30 60–90
Broccoli Rabe Mar 12 Apr 2 Apr 16 Aug 15 May 28 – Jul 2 40–60
Brussels Sprouts Mar 12 Apr 2 Apr 16 Aug 15 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 15 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 15 Jun 4 – Jul 9 60–80
Cauliflower Mar 12 Apr 2 Apr 16 Aug 15 Jun 11 – Aug 13 55–100
Celeriac Mar 12 Apr 2 Apr 16 Aug 15 Jul 30 – Sep 3 100–120
Celery Mar 12 Apr 2 Apr 16 Aug 15 Jul 9 – Sep 3 80–120
Celtuce Mar 12 Apr 2 Apr 16 Aug 15 Jun 18 – Jul 30 60–90
Chard Mar 12 Apr 2 Apr 16 Aug 15 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 15 Jul 9 – Aug 20 80–110
Chicory Mar 12 Apr 2 Apr 16 Aug 15 Jun 18 – Jul 30 60–85
Chinese Cabbage Mar 12 Apr 2 Apr 16 Aug 15 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 15 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 15 Apr 30 – May 21 14–21
Crookneck Squash Mar 19 Apr 23 Apr 30 Jun 18 – Jul 16 45–60
Crosne Apr 2 Aug 15 Sep 3 – Nov 5 150–200
Cucumber Mar 19 Apr 23 Apr 30 Jun 25 – Aug 20 50–70
Daikon Apr 2 Aug 15 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 15 Jun 4 – Jul 9 45–65
Escarole Mar 12 Apr 2 Apr 16 Aug 15 Jun 11 – Jul 9 50–70
Fava Beans Mar 12 Apr 2 Apr 16 Aug 15 Jul 2 – Aug 13 75–100
Fennel Feb 26 Apr 23 Apr 30 Jul 2 – Aug 13 60–90
Garlic Sep 12 Dec 12 – Apr 24 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 15 Jun 4 – Jul 2 45–60
Kale Mar 12 Apr 2 Apr 16 Aug 15 Jun 11 – Aug 6 50–70
Kidney Beans Apr 23 Jul 23 – Aug 27 85–110
Kohlrabi Mar 12 Apr 2 Apr 16 Aug 15 Jun 4 – Jul 9 45–65
Komatsuna Mar 12 Apr 2 Apr 16 Aug 15 May 21 – Jun 25 35–50
Leeks Mar 12 Apr 2 Apr 16 Aug 15 Jul 16 – Oct 1 90–150
Lentils Mar 12 Apr 2 Apr 16 Aug 15 Jul 9 – Aug 20 80–110
Lettuce Mar 12 Apr 2 Apr 16 Aug 15 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 15 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 15 Apr 23 – May 21 7–21
Mitsuba Mar 12 Apr 2 Apr 9 Aug 15 Jun 4 – Jul 30 50–70
Mizuna Mar 12 Apr 2 Apr 16 Aug 15 May 21 – Jun 18 30–45
Mustard Greens Mar 12 Apr 2 Apr 16 Aug 15 May 21 – Jul 23 30–50
Napa Cabbage Mar 12 Apr 2 Apr 16 Aug 15 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 15 Jul 16 – Sep 3 90–120
Pac Choi Mar 12 Apr 2 Apr 16 Aug 15 May 28 – Jun 25 40–55
Parsnip Apr 2 Aug 15 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 15 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 15 May 28 – Jul 2 40–60
Radicchio Mar 12 Apr 2 Apr 16 Aug 15 Jun 18 – Jul 23 60–80
Radish Apr 2 Aug 15 Apr 30 – May 21 22–35
Rhubarb May 7 365–730
Romanesco Mar 12 Apr 2 Apr 16 Aug 15 Jul 2 – Aug 13 75–100
Rutabaga Apr 2 Aug 15 Jun 25 – Jul 30 80–100
Salsify Apr 2 Aug 15 Jul 16 – Aug 27 100–130
Savoy Cabbage Mar 12 Apr 2 Apr 16 Aug 15 Jun 25 – Aug 20 70–110
Scallions Mar 12 Apr 2 Apr 16 Aug 15 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 15 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 15 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 15 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 15 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 15 May 14 – Jun 18 40–60
Watercress Mar 12 Apr 2 Apr 16 Aug 15 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 Marcus Hook

31 fruits matched to Zone 7b with planting dates calibrated for Marcus Hook.

Show all 31 fruits with 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 Marcus Hook

36 herbs matched to Zone 7b with planting dates calibrated for Marcus Hook.

Show all 36 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 12 Apr 2 Apr 9 Aug 15 365–730
Anise Mar 12 Apr 2 Apr 9 Aug 15 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 15 Jun 4 – Jul 23 50–60
Caraway Mar 12 Apr 2 Apr 9 Aug 15 365–450
Catnip Apr 23 Jun 25 – Aug 27 60–80
Chamomile Mar 12 Apr 2 Apr 9 Aug 15 Jun 11 – Aug 20 60–90
Chervil Mar 12 Apr 2 Apr 9 Aug 15 May 21 – Jul 23 40–60
Chives Apr 23 Jun 25 – Sep 3 60–90
Cilantro Mar 12 Apr 2 Apr 9 Aug 15 May 21 – Jul 23 40–60
Comfrey Apr 23 Jun 25 – Sep 3 60–90
Cumin Mar 12 Apr 2 Apr 9 Aug 15 Jul 23 – Sep 24 100–120
Dill Mar 12 Apr 2 Apr 9 Aug 15 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 15 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 15 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 15 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 Marcus Hook

53 flowers matched to Zone 7b with planting dates calibrated for Marcus Hook.

Show all 53 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 5 Apr 16 Apr 16 Jun 11 – Oct 15 60–75
Alliums Sep 19 Oct 17 – Nov 7 28–42
Anemones Aug 29 Sep 12 – Oct 10 90–120
Astilbe Feb 12 Apr 23 Jul 2 – Aug 27 70–100
Bachelor's Button Mar 5 Mar 12 Apr 16 Aug 29 Jun 18 – Sep 24 60–90
Begonias Feb 5 Apr 16 Jun 25 – Oct 29 70–90
Black-eyed Susan Feb 12 Apr 9 Apr 23 Jul 2 – Nov 12 60–80
Bleeding Hearts Feb 12 Apr 23 Jun 11 – Jul 16 60–90
Calendula Mar 5 Mar 12 Apr 16 Aug 29 Jun 4 – Oct 1 50–70
California Poppy Mar 19 Aug 29 May 28 – Aug 20 60–90
Celosia Mar 19 Apr 16 Apr 16 Jun 18 – Oct 29 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 12 60–80
Cosmos Mar 19 Apr 9 Apr 9 Jun 18 – Oct 22 60–90
Crocus Sep 19 Aug 15 – Sep 5 10–20
Daffodils Sep 19 Aug 22 – Sep 12 20–40
Dahlias Mar 26 Apr 23 Apr 23 Jul 2 – Nov 19 70–120
Daylily Feb 12 Apr 23 Jul 2 – Nov 12 60–90
Dianthus Feb 19 Mar 12 Mar 19 May 7 – Jul 30 60–80
Echinacea (Purple Coneflower) Feb 12 Apr 23 Apr 23 Jul 9 – Nov 12 70–90
Foxglove Feb 19 Apr 23 Apr 23 Jun 11 – Jul 16 80–120
Gaillardia (Blanket Flower) Feb 26 Apr 16 Apr 16 Jun 25 – Nov 26 70–100
Geraniums Feb 5 Apr 16 Jun 25 – Oct 29 70–100
Gladiolus Apr 16 Apr 16 Jun 25 – Nov 12 70–100
Hostas Feb 5 Apr 23 Jul 2 – Nov 5 60–90
Hyacinths Sep 19 Sep 12 – Oct 3 14–28
Hydrangeas Feb 5 Apr 16 Jun 25 – Oct 22 90–150
Impatiens Feb 19 Apr 16 Jun 25 – Oct 29 60–75
Irises Division Apr 23 Jun 11 – Jul 16 60–100
Larkspur Mar 19 Aug 15 May 28 – Aug 20 60–90
Lavender Feb 12 Apr 23 Jul 2 – Sep 24 90–120
Lilies Division Apr 16 Jun 25 – Oct 15 70–120
Lobelia Feb 12 Mar 19 May 14 – Jul 23 70–80
Lupine Feb 19 Apr 23 Apr 23 Jun 11 – Jul 16 75–100
Marigolds Mar 5 Apr 16 Apr 16 Jun 11 – Oct 1 50–70
Nasturtium Mar 19 Apr 16 Apr 16 Jun 11 – Oct 29 55–65
Pansy Feb 5 Apr 9 Aug 15 Jun 4 – Aug 27 70–90
Peonies Division Apr 23 Jun 18 – Jul 16 90–120
Petunia Feb 19 Apr 16 Jun 25 – 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 15 50–70
Ranunculus Aug 29 Sep 19 – Oct 17 90–120
Roses Feb 5 Apr 16 Jun 25 – Nov 5 90–180
Salvia Feb 19 Apr 16 Jun 25 – Oct 29 70–90
Sedum (Stonecrop) Feb 12 Apr 23 Aug 13 – Nov 5 60–90
Snapdragon Feb 5 Mar 19 Apr 9 Aug 29 Jun 18 – Sep 24 70–100
Sunflower Mar 26 Apr 16 Apr 16 Jul 9 – Oct 29 70–100
Sweet Alyssum Mar 5 Mar 19 Apr 16 Sep 12 May 28 – Sep 3 45–60
Sweet Pea Aug 29 Nov 7 – Jan 30 65–85
Tulips Sep 19 Sep 5 – Sep 26 15–30
Vinca (Annual) Feb 5 Apr 16 Jun 25 – Oct 29 70–90
Yarrow Feb 12 Apr 9 Apr 23 Jun 25 – Nov 12 60–90
Zinnia Mar 19 Apr 16 Apr 16 Jun 25 – Oct 29 60–70

Monthly Planting Guide for Marcus Hook

ZIP Codes in Marcus Hook

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 Delaware County.

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Your Delaware County Garden Planner — Free

A 22-page printable planner built for Delaware County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

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The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.

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Reader favourite
Seed Saving & Storage Guide

Seed Saving & Storage Guide

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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.

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Save a lifetime of seed money →
Composting Guide for Homesteaders

Composting Guide for Homesteaders

$27 $210 value

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
Start composting today →

Town-level data is aggregated from per-ZIP NOAA GHCN-D measurements (1 ZIP code in Marcus Hook), USDA SSURGO soil survey, and the US Drought Monitor weekly archive. Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: June 2026.