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Allen County, IN — Planting Guide

Allen County, Indiana Zone 6a June

What to do in June

Welcome to June in Zone 6a. These are the moves that will have the biggest impact on your growing season.

Avg. last frost April 25
Avg. first frost October 21
Soil temp (4") 70°F
Watering Low
Pest pressure High
Daylight 14.9 hrs
  1. Get basil, pole beans, and thai basil seeds going inside

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

  2. Bring in the carrots, green beans, and kale

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

July will be here before you know it — start on
  • Starting indoors: peppers, begonias, and eggplant
  • First harvests: basil, carrots, and cucumber

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Allen County is in USDA Zone 6a. The average last spring frost is April 25 and the first fall frost is October 21, giving you a growing season of approximately 179 days.

At an elevation of 721 ft, Allen County receives approximately 38.3 in of rainfall annually. Summer highs average 85°F with winter lows around 17°F. The predominant soil type is Silt Loam.

Based on 31 years of NOAA climate station data, the last frost date here varies by 29 days year to year — ranging from April 8 in warm years to May 7 in cold years. The growing season is trending shorter by about 1.61 days per decade. Allen County scores 67/100 (Good) on the Microclimate Index.

🌡️ Zone

6a (-10°F to -5°F min)

❄️ Last Frost

April 25

🍂 First Frost

October 21

📅 Growing Season

179 days

⛰️ Elevation

721 ft

🌧️ Annual Rainfall

38.3 in

Allen County, IN Moderate season
179 days
❄
Last Spring Frost April 25
➔ 179 growing days ➔
❄
First Fall Frost October 21

Monthly Watering Calendar for Allen County

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

What this means for you: In Allen County, the watering question isn't "how often" — it's "is the soil moist 4 inches down?" Stick a finger in. Dry? Water. Damp? Wait. The 38" annual rainfall is just the starting context.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 1.6" Feb 1.6" Mar 2.5" +0.9" Apr 3.4" May 4" Jun 4.9" Jul 4.1" Aug 4.6" +0.5" Sep 3.8" +1.5" Oct 2.8" Nov 2.9" Dec 2"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 1.6 in 7 days — None
Feb 1.6 in 7 days — None
Mar 2.5 in 9 days — None
Apr 3.4 in 9 days 0.9 in Moderate
May 4 in 12 days 0.3 in Low
Jun 4.9 in 8 days — Low
Jul 4.1 in 8 days 0.2 in Low
Aug 4.6 in 8 days — Low
Sep 3.8 in 7 days 0.5 in Low
Oct 2.8 in 7 days 1.5 in Moderate
Nov 2.9 in 6 days — None
Dec 2 in 7 days — None

Annual total: 38.2 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.

Allen County Soil Profile

Soil Type

Silt Loam

Soil pH

6-7

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 Apr 25 → Oct 21 179 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Safe: May 7 Protect by: Oct 31

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 7 Oct 31 177 days
Cautious Apr 28 Oct 24 179 days
Average year Apr 25 Oct 21 179 days
Optimistic Apr 16 Oct 13 180 days
Aggressive (risky) Apr 8 Oct 3 178 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±29 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 shorter here (about 1.6 days per decade). Use the "Conservative" dates and choose fast-maturing varieties.

Gardening Difficulty Score

67 Good
Frost Timing Risk
10.0/10
Drought Risk
3.5/10
Soil Difficulty
0.0/10
Altitude Challenge
0.0/10
Climate Shift
6.4/10
Rainfall Challenge
0.0/10

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

Zone 6a Frost Countdown
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Last Frost: Apr 25 First Frost: Oct 21

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

County Extension Office

Allen County Purdue University Extension Extension Office

Phone: 765-494-8491

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 IN →

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 Allen County

Soil testing Pest identification Gardening workshops 4-H
Finding local nurseries & garden centers in Allen County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Allen 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 Allen County IN" or "garden center Allen 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 Allen County IN" or check your extension office and local parks department. Facebook groups like "Allen County Gardeners" or "Indiana 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 Spinach (harvest ends Aug 1) 81 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Melon (harvest ends Sep 5) 46 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Crocus 10-20d Hyacinths 14-28d
After Snap Peas (harvest ends Aug 29) 53 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Cabbage (harvest ends Aug 22) 60 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Kale (harvest ends Aug 15) 67 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Lettuce (harvest ends Aug 8) 74 days until frost
Radish 22-35d Zucchini 45-60d Basil 50-75d Cucumber 50-70d Green Beans 50-65d
Show 6 more succession options
After Corn (harvest ends Aug 22) 60 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Squash (Summer) (harvest ends Aug 29) 53 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Peas (harvest ends Aug 15) 67 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Basil (harvest ends Sep 5) 46 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Crocus 10-20d Hyacinths 14-28d
After Green Beans (harvest ends Aug 15) 67 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d
After Cauliflower (harvest ends Aug 22) 60 days until frost
Radish 22-35d Lettuce 30-60d Zucchini 45-60d Basil 50-75d Cucumber 50-70d

Sunlight & Day Length in Allen County

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

The practical takeaway: The longest day at Allen County's latitude gets longer the further north you go. Strawberries, garlic, onions all care. The shortest day gets shorter — which limits winter growing for greens without artificial light.

Longest Day

14.9 hours

Summer solstice daylight

Shortest Day

9.1 hours

Winter solstice daylight

Peak Sun Hours

9.4 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 9.4 hr 3.7 hr Short day
February 10.4 hr 4.5 hr Short day
March 11.7 hr 5.5 hr Short day
April 13.1 hr 6.9 hr Neutral
May 14.3 hr 8.1 hr Long day
June 14.9 hr 9.4 hr Long day
July 14.7 hr 9.2 hr Long day
August 13.6 hr 8.2 hr Neutral
September 12.3 hr 6.9 hr Neutral
October 10.9 hr 5.9 hr Short day
November 9.7 hr 3.9 hr Short day
December 9.1 hr 3.3 hr Short day

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

Soil Temperature & Composting in Allen County

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

For new gardeners: Soil temperature is a leading indicator. A black plastic mulch can warm soil 5-10°F faster than bare ground — meaningful in Allen County's spring if you're trying to plant tomatoes earlier.

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 23°F 31°F ❄️ Dormant ~36 weeks
Feb 23°F 30°F ❄️ Dormant ~36 weeks
Mar 31°F 35°F ❄️ Dormant ~36 weeks
Apr 44°F 44°F 🐢 Slow ~24 weeks
May 57°F 56°F ♻️ Active ~14 weeks
Jun 70°F 63°F 🔥 Peak ~8 weeks
Jul 77°F 70°F 🔥 Peak ~8 weeks
Aug 80°F 73°F 🔥 Peak ~8 weeks
Sep 72°F 69°F 🔥 Peak ~8 weeks
Oct 57°F 60°F ♻️ Active ~14 weeks
Nov 44°F 48°F 🐢 Slow ~24 weeks
Dec 30°F 38°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 Allen County

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

Why this matters: Two gardeners can grow identical seeds and get wildly different results based on pest pressure alone. Allen County's climate sets a floor on what's possible without intervention.

Insect Pest Pressure

5.4 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

5.4 / 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 Low 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 Allen County

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

For new gardeners: Cover crops do four things at once: fix nitrogen (legumes), suppress weeds (any), prevent erosion, and add organic matter when chopped down. Allen County's seasonal pattern determines which species fit which gap.

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat May 1 Aug 12 — Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass Apr 30 Aug 19 — Massive biomass, breaks compaction, suppresses nematodes
White clover Mar 27 Aug 19 ✓ 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 14 Sep 30 — 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 14 Apr 11 ✓ Yes Fixes nitrogen, good for heavy clay soils
Daikon radish Aug 31 Apr 11 — Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 7 Apr 11 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 26 Apr 11 — Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 22 Apr 4 — Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 16 Apr 4 — Erosion control, weed suppression, good biomass

Wind & Microclimate in Allen County

Why this matters: A 10 mph wind doesn't feel like much, but it triples leaf transpiration vs. still air. Allen County's 8.9 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: 9 mph   Winter: 12 mph

Prevailing wind: SW. 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 (220 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Allen County

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

Why this matters: Even in arid regions, rainwater harvesting works — you just need bigger storage and patience. In wet regions like Allen County (38" annually), you're mostly limited by how much water you can store between storms.

Annual Collection

19,038 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 1,500 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, 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 38.2 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 19,038 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 Allen County

Soil Type

Silt Loam

Soil pH 6–7 · Excessively Drained drainage

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

Watering Needs

Drought stress: 3.5/10

Low-to-moderate drought stress. Plan to water 1–2 times per week during peak summer. (38.3 in. annual rainfall)

Season Tips

179-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.

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 Allen County

107 vegetables that grow well in Zone 6a with planting dates for Allen County.

Show all 107 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 21 May 2 May 9 — Aug 1 – Sep 5 80–100
Amaranth Feb 28 May 2 May 9 — Aug 8 – Sep 26 90–120
Arugula Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Aug 1 30–50
Asparagus — — May 9 — — 730–1095
Beets — Apr 11 — Aug 12 Jun 6 – Jul 4 50–70
Belgian Endive Mar 21 Apr 11 Apr 25 Aug 12 Aug 15 – Oct 10 110–150
Bitter Melon Feb 28 May 2 May 9 — Jul 11 – Aug 22 60–90
Black Beans — May 2 — — Aug 1 – Sep 19 90–120
Bok Choy Mar 21 Apr 11 Apr 25 Aug 12 Jun 6 – Jul 11 40–60
Broccoli Mar 21 Apr 11 Apr 25 Aug 12 Jun 27 – Aug 8 60–90
Broccoli Rabe Mar 21 Apr 11 Apr 25 Aug 12 Jun 6 – Jul 11 40–60
Brussels Sprouts Mar 21 Apr 11 Apr 25 Aug 12 Jul 25 – Sep 19 90–130
Butternut Squash Mar 21 May 2 May 9 — Aug 8 – Sep 12 85–110
Cabbage Mar 21 Apr 11 Apr 25 Aug 12 Jun 27 – Aug 22 60–100
Calabash Feb 28 May 2 May 9 — Aug 1 – Sep 26 80–120
Carrots — Apr 11 — Aug 12 Jun 13 – Jul 18 60–80
Cauliflower Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Aug 22 55–100
Celeriac Mar 21 Apr 11 Apr 25 Aug 12 Aug 8 – Sep 12 100–120
Celery Mar 21 Apr 11 Apr 25 Aug 12 Jul 18 – Sep 12 80–120
Celtuce Mar 21 Apr 11 Apr 25 Aug 12 Jun 27 – Aug 8 60–90
Chard Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Aug 8 50–60
Chickpeas Mar 21 Apr 11 Apr 25 Aug 12 Jul 18 – Aug 29 80–110
Chicory Mar 21 Apr 11 Apr 25 Aug 12 Jun 27 – Aug 8 60–85
Chinese Cabbage Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Jul 18 50–70
Christmas Lima Beans Feb 28 May 2 May 9 — Aug 1 – Sep 5 80–100
Collard Greens Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Aug 22 55–75
Corn — May 2 — — Jul 4 – Aug 29 60–100
Cowpeas — May 2 — — Jul 4 – Aug 15 60–90
Cress Mar 21 Apr 11 Apr 25 Aug 12 May 9 – May 30 14–21
Crookneck Squash Mar 21 May 2 May 9 — Jun 27 – Jul 25 45–60
Crosne — Apr 11 — Aug 12 Sep 12 – Oct 24 150–200
Cucumber Mar 21 May 2 May 9 — Jul 4 – Aug 29 50–70
Daikon — Apr 11 — Aug 12 Jun 6 – Jul 4 50–70
Delicata Squash Mar 21 May 2 May 9 — Aug 1 – Sep 5 80–100
Edamame — May 2 — — Jul 18 – Aug 29 75–100
Eggplant Feb 14 May 2 May 9 — Jul 18 – Sep 19 65–85
Endive Mar 21 Apr 11 Apr 25 Aug 12 Jun 13 – Jul 18 45–65
Escarole Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Jul 18 50–70
Fava Beans Mar 21 Apr 11 Apr 25 Aug 12 Jul 11 – Aug 22 75–100
Fennel Feb 28 May 2 May 9 — Jul 11 – Aug 22 60–90
Garlic — — — Sep 9 Dec 9 – Mar 24 90–240
Green Beans — May 2 — — Jun 27 – Aug 22 50–65
Horseradish — — May 9 — Sep 12 – Nov 21 120–180
Hot Peppers Feb 14 May 2 May 9 — Jul 18 – Oct 24 70–120
Hubbard Squash Mar 21 May 2 May 9 — Aug 22 – Sep 26 100–120
Kabocha Mar 21 May 2 May 9 — Aug 8 – Sep 5 85–100
Kai Lan Mar 21 Apr 11 Apr 25 Aug 12 Jun 13 – Jul 11 45–60
Kale Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Aug 15 50–70
Kidney Beans — May 2 — — Aug 1 – Sep 5 85–110
Kohlrabi Mar 21 Apr 11 Apr 25 Aug 12 Jun 13 – Jul 18 45–65
Komatsuna Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Jul 4 35–50
Leeks Mar 21 Apr 11 Apr 25 Aug 12 Jul 25 – Oct 10 90–150
Lentils Mar 21 Apr 11 Apr 25 Aug 12 Jul 18 – Aug 29 80–110
Lettuce Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Aug 8 30–60
Lima Beans — May 2 — — Jul 4 – Aug 15 60–90
Loofah Feb 28 May 2 May 9 — Aug 22 – Oct 24 100–150
Luffa Feb 28 May 2 May 9 — Aug 8 – Oct 24 90–150
Mache Mar 21 Apr 11 Apr 25 Aug 12 Jun 6 – Jul 11 40–60
Melon Mar 21 May 2 May 9 — Jul 18 – Sep 5 70–100
Microgreens Mar 21 Apr 11 Apr 25 Aug 12 May 2 – May 30 7–21
Mitsuba Mar 21 Apr 11 Apr 18 Aug 12 Jun 13 – Aug 8 50–70
Mizuna Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Jun 27 30–45
Mustard Greens Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Aug 1 30–50
Napa Cabbage Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Jul 25 55–75
New Zealand Spinach Feb 28 May 2 May 9 — Jul 4 – Aug 1 55–70
Okra Feb 28 May 2 May 9 — Jul 4 – Aug 29 50–65
Onion Mar 21 Apr 11 Apr 25 Aug 12 Jul 25 – Sep 12 90–120
Pac Choi Mar 21 Apr 11 Apr 25 Aug 12 Jun 6 – Jul 4 40–55
Parsnip — Apr 11 — Aug 12 Jul 25 – Sep 5 100–130
Patty Pan Squash Mar 21 May 2 May 9 — Jun 27 – Jul 25 45–60
Peas Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Aug 15 55–70
Peppers Feb 14 May 2 May 9 — Jul 11 – Sep 19 60–90
Pole Beans Feb 28 May 2 May 9 — Jul 4 – Aug 29 55–70
Potatoes Feb 28 May 2 May 9 — Jul 18 – Sep 26 70–120
Pumpkin Mar 21 May 2 May 9 — Aug 8 – Sep 26 85–120
Purslane Mar 21 Apr 11 Apr 25 Aug 12 Jun 6 – Jul 11 40–60
Radicchio Mar 21 Apr 11 Apr 25 Aug 12 Jun 27 – Aug 1 60–80
Radish — Apr 11 — Aug 12 May 9 – May 30 22–35
Rhubarb — — May 16 — — 365–730
Romanesco Mar 21 Apr 11 Apr 25 Aug 12 Jul 11 – Aug 22 75–100
Rutabaga — Apr 11 — Aug 12 Jul 4 – Aug 8 80–100
Salsify — Apr 11 — Aug 12 Jul 25 – Sep 5 100–130
Savoy Cabbage Mar 21 Apr 11 Apr 25 Aug 12 Jul 4 – Aug 29 70–110
Scallions Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Jul 18 50–70
Scarlet Runner Beans Feb 28 May 2 May 9 — Jul 11 – Aug 15 60–80
Shallot Mar 21 Apr 11 Apr 25 Aug 12 Jul 25 – Sep 12 90–120
Shiso Mar 7 May 2 May 9 — Jul 4 – Aug 29 50–70
Snap Peas Feb 28 May 2 May 9 — Jul 4 – Aug 29 55–70
Snow Peas Mar 21 Apr 11 Apr 25 Aug 12 Jun 20 – Aug 15 50–65
Soybeans — May 2 — — Jul 25 – Sep 19 80–120
Spaghetti Squash Mar 21 May 2 May 9 — Aug 8 – Sep 5 85–100
Spinach Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Aug 1 35–50
Squash (Summer) Mar 21 May 2 May 9 — Jun 27 – Aug 29 45–65
Squash (Winter) Mar 21 May 2 May 9 — Aug 1 – Sep 26 80–120
Sunchoke — — May 9 — Aug 29 – Oct 24 110–150
Sweet Corn — May 2 — — Jul 4 – Aug 15 60–90
Sweet Potatoes Feb 28 May 2 May 9 — Aug 8 – Sep 26 90–120
Tatsoi Mar 21 Apr 11 Apr 25 Aug 12 May 30 – Jul 4 35–50
Tomatillo Feb 28 May 2 May 9 — Jul 11 – Sep 19 60–85
Tomatoes Feb 28 May 2 May 9 — Jul 11 – Sep 19 60–85
Turnip — Apr 11 — Aug 12 May 23 – Jun 27 40–60
Watercress Mar 21 Apr 11 Apr 25 Aug 12 Jun 6 – Jul 11 40–60
Watermelon Mar 21 May 2 May 9 — Jul 18 – Sep 5 70–100
Wax Beans — May 2 — — Jun 27 – Aug 22 50–65
Winter Melon Feb 28 May 2 May 9 — Aug 8 – Sep 26 90–120
Yard Long Beans Feb 28 May 2 May 9 — Jul 4 – Aug 15 55–80
Zucchini Mar 21 May 2 May 9 — Jun 27 – Aug 22 45–60

🍓 Fruits to Grow in Allen County

27 fruits that grow well in Zone 6a with planting dates for Allen County.

Show all 27 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries — — May 16 — Aug 15 – Nov 28 90–180
Aronia — — May 16 — — 730–1095
Blackberries — — May 16 — — 365–730
Blueberries — — May 16 — — 730–1095
Boysenberries — — May 16 — — 365–730
Cantaloupe — — May 16 — Jul 25 – Aug 29 70–90
Che Fruit — — May 16 — — 1095–1825
Cranberries — — May 16 — — 730–1095
Currants — — May 16 — — 730–1095
Elderberries — — May 16 — — 730–1095
Goji Berries — — May 16 — — 730–1095
Gooseberries — — May 16 — — 730–1095
Grapes — — May 16 — — 730–1095
Ground Cherry — — May 16 — Jul 25 – Sep 19 65–80
Hardy Kiwi — — May 16 — — 1095–1825
Haskaps — — May 16 — — 730–1095
Honeydew — — May 16 — Aug 8 – Sep 19 80–110
Jostaberry — — May 16 — — 730–1095
Lingonberries — — May 16 — — 730–1095
Medlar — — May 16 — — 1095–1825
Mulberries — — May 16 — — 730–1825
Pawpaw — — May 16 — — 1095–2555
Persimmon — — May 16 — — 1095–2555
Quince — — May 16 — — 1095–1825
Raspberries — — May 16 — — 365–730
Serviceberries — — May 16 — — 730–1095
Strawberries — — May 16 — Aug 15 – Nov 28 90–365

🌿 Herbs to Grow in Allen County

35 herbs that grow well in Zone 6a with planting dates for Allen County.

Show all 35 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 21 Apr 11 Apr 18 Aug 12 — 365–730
Anise Mar 21 Apr 11 Apr 18 Aug 12 Jul 18 – Oct 3 90–120
Basil Mar 7 May 2 May 9 — Jul 4 – Sep 5 50–75
Bee Balm — — May 2 — Aug 1 – Oct 17 90–120
Borage Mar 21 Apr 11 Apr 18 Aug 12 Jun 13 – Aug 1 50–60
Caraway Mar 21 Apr 11 Apr 18 Aug 12 — 365–450
Catnip — — May 2 — Jul 4 – Sep 5 60–80
Chamomile Mar 21 Apr 11 Apr 18 Aug 12 Jun 20 – Aug 29 60–90
Chervil Mar 21 Apr 11 Apr 18 Aug 12 May 30 – Aug 1 40–60
Chives — — May 2 — Jul 4 – Sep 12 60–90
Cilantro Mar 21 Apr 11 Apr 18 Aug 12 May 30 – Aug 1 40–60
Comfrey — — May 2 — Jul 4 – Sep 12 60–90
Cumin Mar 21 Apr 11 Apr 18 Aug 12 Aug 1 – Oct 3 100–120
Dill Mar 21 Apr 11 Apr 18 Aug 12 May 30 – Aug 1 40–60
Epazote Mar 7 May 2 May 9 — Jun 27 – Aug 22 45–60
Fennel (herb) Mar 21 Apr 11 Apr 18 Aug 12 Jun 20 – Aug 29 60–90
Feverfew — — May 2 — Aug 1 – Oct 17 90–120
Garlic Chives — — May 2 — Jul 4 – Sep 12 60–90
Horehound — — May 2 — Jul 18 – Sep 12 75–90
Hyssop — — May 2 — Jul 11 – Sep 12 70–90
Lemon Balm — — May 2 — Jul 4 – Aug 22 60–70
Lemon Thyme — — May 2 — Jul 11 – Sep 12 70–90
Lovage — — May 2 — Jul 11 – Sep 12 70–90
Marjoram — — May 2 — Jul 4 – Sep 12 60–90
Mint — — May 2 — Jul 4 – Sep 12 60–90
Oregano — — May 2 — Jul 4 – Sep 12 60–90
Parsley Mar 21 Apr 11 Apr 18 Aug 12 Jun 20 – Aug 22 60–80
Rue — — May 2 — Jul 11 – Sep 12 70–90
Sage — — May 2 — Jul 18 – Sep 12 75–90
Savory — — May 2 — Jun 27 – Aug 22 50–70
Sorrel Mar 21 Apr 11 Apr 18 Aug 12 May 30 – Aug 1 40–60
Tarragon — — May 2 — Jul 4 – Sep 12 60–90
Thai Basil Mar 7 May 2 May 9 — Jul 4 – Sep 5 50–75
Thyme — — May 2 — Jul 11 – Sep 12 70–90
Valerian — — May 2 — Sep 5 – Nov 14 120–180

🌸 Flowers to Grow in Allen County

53 flowers that grow well in Zone 6a with planting dates for Allen County.

Show all 53 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 7 Apr 25 Apr 25 — Jun 20 – Sep 26 60–75
Alliums — — — Sep 9 Oct 7 – Nov 4 28–42
Anemones Mar 28 — Apr 25 — May 30 – Jun 27 90–120
Astilbe Feb 21 — May 2 — Jul 11 – Sep 19 70–100
Bachelor's Button Mar 14 Mar 28 Apr 25 Sep 9 Jun 27 – Sep 12 60–90
Begonias Feb 14 — May 2 — Jul 11 – Oct 10 70–90
Black-eyed Susan Feb 21 Apr 25 May 2 — Jul 18 – Oct 31 60–80
Bleeding Hearts Feb 21 — May 2 — Jun 27 – Aug 1 60–90
Calendula Mar 14 Mar 28 Apr 25 — Jun 13 – Sep 12 50–70
California Poppy — Mar 28 — — Jun 6 – Jul 18 60–90
Celosia Mar 21 May 2 May 2 — Jul 4 – Oct 17 60–90
Columbine Feb 21 May 9 May 9 — Jul 4 – Aug 8 70–100
Coreopsis Feb 21 May 2 May 2 — Jul 11 – Oct 31 60–80
Cosmos Mar 28 Apr 25 Apr 25 — Jul 4 – Oct 10 60–90
Crocus — — — Sep 9 Jul 29 – Aug 19 10–20
Daffodils — — — Sep 9 Aug 5 – Aug 26 20–40
Dahlias Mar 28 May 2 May 2 — Jul 18 – Oct 31 70–120
Daylily Feb 21 — May 2 — Jul 18 – Oct 31 60–90
Dianthus Feb 28 Mar 28 Apr 11 — May 30 – Aug 29 60–80
Echinacea (Purple Coneflower) Feb 21 May 9 May 9 — Aug 1 – Nov 7 70–90
Foxglove Feb 21 May 2 May 2 — Jun 27 – Aug 1 80–120
Gaillardia (Blanket Flower) Mar 7 May 2 May 2 — Jul 11 – Nov 14 70–100
Geraniums Feb 14 — May 2 — Jul 11 – Oct 10 70–100
Gladiolus — Apr 25 Apr 25 — Jul 11 – Oct 24 70–100
Hostas Feb 14 — May 2 — Jul 18 – Oct 31 60–90
Hyacinths — — — Sep 9 Aug 26 – Sep 16 14–28
Hydrangeas Feb 14 — May 2 — Jul 11 – Oct 17 90–150
Impatiens Feb 28 — May 2 — Jul 11 – Oct 17 60–75
Irises — Division May 2 — Jun 27 – Jul 25 60–100
Larkspur — Mar 28 — — Jun 6 – Aug 1 60–90
Lavender Feb 14 — May 9 — Jul 18 – Sep 12 90–120
Lilies — Division May 2 — Jul 11 – Oct 17 70–120
Lobelia Feb 21 — Apr 11 — Jun 6 – Aug 29 70–80
Lupine Feb 21 May 2 May 2 — Jun 27 – Aug 1 75–100
Marigolds Mar 14 May 2 May 2 — Jun 27 – Sep 26 50–70
Nasturtium Mar 28 May 2 May 2 — Jun 27 – Oct 17 55–65
Pansy Feb 14 — Apr 25 Aug 26 Jun 20 – Aug 22 70–90
Peonies — Division May 2 — Jul 4 – Aug 8 90–120
Petunia Feb 28 — May 2 — Jul 11 – Oct 17 70–90
Phlox Feb 21 May 2 May 2 — Jul 11 – Oct 3 80–110
Portulaca Mar 21 May 2 May 2 — Jun 20 – Oct 3 50–70
Ranunculus Mar 14 — Apr 25 — Jun 6 – Jul 4 90–120
Roses Feb 14 — May 2 — Jul 11 – Oct 31 90–180
Salvia Feb 21 — May 2 — Jul 11 – Oct 17 70–90
Sedum (Stonecrop) Feb 21 — May 2 — Aug 22 – Nov 7 60–90
Snapdragon Feb 14 Apr 4 Apr 25 — Jul 4 – Sep 12 70–100
Sunflower Apr 4 May 2 May 2 — Jul 25 – Oct 17 70–100
Sweet Alyssum Mar 7 Apr 4 Apr 25 — Jun 6 – Aug 15 45–60
Sweet Pea Mar 14 Mar 21 Apr 25 — Jul 11 – Sep 19 65–85
Tulips — — — Sep 9 Aug 19 – Sep 16 15–30
Vinca (Annual) Feb 14 — May 2 — Jul 11 – Oct 17 70–90
Yarrow Feb 21 Apr 25 May 2 — Jul 11 – Oct 31 60–90
Zinnia Mar 28 May 2 May 2 — Jul 11 – Oct 17 60–70

Monthly Planting Guide for Allen County