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Beloit, OH — Planting Guide for June

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Beloit, OH Zone 6a June

What to do in June

We've pulled the most time-sensitive tasks for Beloit, OH this June and put them front and centre. Tackle them in order.

Avg. last frost April 30
Avg. first frost October 18
Soil temp (4") 70°F
Watering Low
Pest pressure High
Daylight 14.9 hrs
  1. Sow basil, cucumber, and kale in trays indoors

    You're about 18 weeks out from your last frost — the perfect window to get these germinating indoors.

  2. Start harvesting carrots, kale, and lettuce

    If you can't use it all right away, check the food-preservation section of your planner.

Before July arrives, get these ready
  • Starting indoors: peppers, astilbe, and begonias
  • First harvests: basil, carrots, and cucumber

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Beloit has a classic four-season growing climate (Zone 6a). The last spring frost typically lands around April 30 and the first fall frost arrives around October 18 — a 171-day frost-free season that's long enough for tomatoes, peppers, melons, and a full succession of cool-weather crops on either side. The trick is timing: start warm-season seedlings indoors 6–8 weeks before last frost, harden them off, and plant out the week after your local frost date is statistically safe.

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

🌡️ USDA Zone

6a (-10°F to -5°F min)

❄️ Avg. Last Frost

April 30

🍂 Avg. First Frost

October 18

📅 Growing Season

171 days

🌧️ Climate

Unknown 0.0" annual

💨 Wind

Moderate 8.2 mph avg

🥶 Frost Tier

Regular 0% frost-free years

🏜️ Drought

10.0 wk/yr trend stable

📍 ZIP Codes

1 ZIP

Beloit, OH Moderate season
171 days
Last Spring Frost April 30
171 growing days
First Fall Frost October 18

Monthly Watering Calendar for Beloit

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

For new gardeners: Plants need different amounts of water at different growth stages — heavy at flowering and fruit-set, lighter at establishment. Beloit's 0" annual rainfall is your starting math; the timing tells you when natural rain will cover you and when you need to step in.

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 1.7" Feb 1.7" Mar 2.7" +0.7" Apr 3.6" May 4.7" Jun 4.8" +0.7" Jul 3.6" +0.9" Aug 3.4" +0.6" Sep 3.7" +1.4" Oct 2.9" Nov 2.7" 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 1.7 in 7 days None
Feb 1.7 in 7 days None
Mar 2.7 in 8 days None
Apr 3.6 in 9 days 0.7 in Moderate
May 4.7 in 9 days Low
Jun 4.8 in 10 days Low
Jul 3.6 in 8 days 0.7 in Moderate
Aug 3.4 in 8 days 0.9 in Moderate
Sep 3.7 in 7 days 0.6 in Moderate
Oct 2.9 in 8 days 1.4 in Moderate
Nov 2.7 in 7 days None
Dec 2 in 8 days None

Annual total: 37.5 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.

Beloit Soil Profile

Soil Type

Silt Loam

Soil pH

6.2-6.8

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 30 → Oct 18 171 frost-free days Protect crops frost returns Apr May Jun Jul Aug Sep Oct Nov Dec Safe: May 22 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 22 Nov 4 166 days
Cautious May 10 Oct 27 170 days
Average year Apr 30 Oct 18 171 days
Optimistic Apr 26 Oct 12 169 days
Aggressive (risky) Apr 14 Oct 5 174 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 3.4 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

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

Mahoning 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 30 First Frost: Oct 18

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

County Extension Office

Mahoning County Ohio State University Extension Extension Office

Phone: 614-292-6181

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 OH →

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 Mahoning County

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

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Mahoning 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 Mahoning County OH" or "garden center Mahoning 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 Mahoning County OH" or check your extension office and local parks department. Facebook groups like "Mahoning County Gardeners" or "Ohio 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 Zucchini (harvest ends Aug 27) 52 days until frost
After Pole Beans (harvest ends Sep 3) 45 days until frost
After Okra (harvest ends Sep 3) 45 days until frost
After Broccoli (harvest ends Aug 13) 66 days until frost
After Melon (harvest ends Sep 10) 38 days until frost
After Spinach (harvest ends Aug 6) 73 days until frost

Sunlight & Day Length in Beloit

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

Why this matters: The longest day at Beloit'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

9.7 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 9.4 hr 3.9 hr Short day
February 10.4 hr 4.4 hr Short day
March 11.7 hr 5.7 hr Short day
April 13.1 hr 7 hr Neutral
May 14.3 hr 8.5 hr Long day
June 14.9 hr 9.1 hr Long day
July 14.7 hr 9.7 hr Long day
August 13.6 hr 8.2 hr Neutral
September 12.3 hr 7.4 hr Neutral
October 10.9 hr 5.5 hr Short day
November 9.7 hr 3.9 hr Short day
December 9.1 hr 3.5 hr Short day

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

Soil Temperature & Composting in Beloit

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

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

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from May 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 25°F 30°F ❄️ Dormant ~36 weeks
Feb 24°F 31°F ❄️ Dormant ~36 weeks
Mar 33°F 35°F ❄️ Dormant ~36 weeks
Apr 46°F 44°F 🐢 Slow ~24 weeks
May 60°F 54°F ♻️ Active ~14 weeks
Jun 70°F 64°F 🔥 Peak ~8 weeks
Jul 76°F 71°F 🔥 Peak ~8 weeks
Aug 77°F 73°F 🔥 Peak ~8 weeks
Sep 73°F 69°F 🔥 Peak ~8 weeks
Oct 58°F 60°F ♻️ Active ~14 weeks
Nov 44°F 49°F 🐢 Slow ~24 weeks
Dec 30°F 39°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 Beloit

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

Why this matters: High pest pressure means weekly inspection. Low pest pressure means monthly. The score tells you which routine to set up before you have a problem.

Insect Pest Pressure

5.8 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

5.2 / 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 Moderate Jun, Jul, Aug
Tomato hornworms Low 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 Beloit

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 do four things at once: fix nitrogen (legumes), suppress weeds (any), prevent erosion, and add organic matter when chopped down. Beloit'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 9 Aug 9 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass May 11 Aug 23 Massive biomass, breaks compaction, suppresses nematodes
White clover Apr 2 Aug 9 ✓ 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 15 Sep 20 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 22 Apr 16 ✓ Yes Fixes nitrogen, good for heavy clay soils
Daikon radish Aug 22 Apr 16 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Jul 28 Apr 9 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 15 Apr 16 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 27 Apr 9 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 13 Apr 9 Erosion control, weed suppression, good biomass

Wind & Microclimate in Beloit

Why this matters: Wind is the silent water thief. Every breeze pulls moisture from leaves and soil. Beloit's 8.2 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: 13 mph   Summer: 8 mph

Fall: 11 mph   Winter: 13 mph

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

Windbreak Benefit

7.3/10

Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.

Frost Pocket Risk

Low

Relatively flat terrain (159 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Beloit

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

Quick context: Building a rainwater system is mostly about doing the math: roof area × annual rainfall × 0.6 = gallons you could realistically capture. For Beloit, that's your 0" times your roof.

Annual Collection

18,690 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

Apr, May, Jun, Sep

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 37.5 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 18,690 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

🥬 Vegetables to Grow in Beloit

107 vegetables matched to Zone 6a with planting dates calibrated for Beloit.

Show all 107 vegetables with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 26 May 7 May 14 Aug 6 – Sep 10 80–100
Amaranth Mar 5 May 7 May 14 Aug 13 – Oct 1 90–120
Arugula Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Aug 6 30–50
Asparagus May 14 730–1095
Beets Apr 16 Aug 9 Jun 11 – Jul 9 50–70
Belgian Endive Mar 26 Apr 16 Apr 30 Aug 9 Aug 20 – Oct 15 110–150
Bitter Melon Mar 5 May 7 May 14 Jul 16 – Aug 27 60–90
Black Beans May 7 Aug 6 – Sep 24 90–120
Bok Choy Mar 26 Apr 16 Apr 30 Aug 9 Jun 11 – Jul 16 40–60
Broccoli Mar 26 Apr 16 Apr 30 Aug 9 Jul 2 – Aug 13 60–90
Broccoli Rabe Mar 26 Apr 16 Apr 30 Aug 9 Jun 11 – Jul 16 40–60
Brussels Sprouts Mar 26 Apr 16 Apr 30 Aug 9 Jul 30 – Sep 24 90–130
Butternut Squash Mar 26 May 7 May 14 Aug 13 – Sep 17 85–110
Cabbage Mar 26 Apr 16 Apr 30 Aug 9 Jul 2 – Aug 27 60–100
Calabash Mar 5 May 7 May 14 Aug 6 – Oct 1 80–120
Carrots Apr 16 Aug 9 Jun 18 – Jul 23 60–80
Cauliflower Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Aug 27 55–100
Celeriac Mar 26 Apr 16 Apr 30 Aug 9 Aug 13 – Sep 17 100–120
Celery Mar 26 Apr 16 Apr 30 Aug 9 Jul 23 – Sep 17 80–120
Celtuce Mar 26 Apr 16 Apr 30 Aug 9 Jul 2 – Aug 13 60–90
Chard Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Aug 13 50–60
Chickpeas Mar 26 Apr 16 Apr 30 Aug 9 Jul 23 – Sep 3 80–110
Chicory Mar 26 Apr 16 Apr 30 Aug 9 Jul 2 – Aug 13 60–85
Chinese Cabbage Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Jul 23 50–70
Christmas Lima Beans Mar 5 May 7 May 14 Aug 6 – Sep 10 80–100
Collard Greens Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Aug 27 55–75
Corn May 7 Jul 9 – Sep 3 60–100
Cowpeas May 7 Jul 9 – Aug 20 60–90
Cress Mar 26 Apr 16 Apr 30 Aug 9 May 14 – Jun 4 14–21
Crookneck Squash Mar 26 May 7 May 14 Jul 2 – Jul 30 45–60
Crosne Apr 16 Aug 9 Sep 17 – Oct 29 150–200
Cucumber Mar 26 May 7 May 14 Jul 9 – Sep 3 50–70
Daikon Apr 16 Aug 9 Jun 11 – Jul 9 50–70
Delicata Squash Mar 26 May 7 May 14 Aug 6 – Sep 10 80–100
Edamame May 7 Jul 23 – Sep 3 75–100
Eggplant Feb 19 May 7 May 14 Jul 23 – Sep 24 65–85
Endive Mar 26 Apr 16 Apr 30 Aug 9 Jun 18 – Jul 23 45–65
Escarole Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Jul 23 50–70
Fava Beans Mar 26 Apr 16 Apr 30 Aug 9 Jul 16 – Aug 27 75–100
Fennel Mar 5 May 7 May 14 Jul 16 – Aug 27 60–90
Garlic Sep 6 Dec 6 – Mar 21 90–240
Green Beans May 7 Jul 2 – Aug 27 50–65
Horseradish May 14 Sep 17 – Nov 26 120–180
Hot Peppers Feb 19 May 7 May 14 Jul 23 – Oct 29 70–120
Hubbard Squash Mar 26 May 7 May 14 Aug 27 – Oct 1 100–120
Kabocha Mar 26 May 7 May 14 Aug 13 – Sep 10 85–100
Kai Lan Mar 26 Apr 16 Apr 30 Aug 9 Jun 18 – Jul 16 45–60
Kale Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Aug 20 50–70
Kidney Beans May 7 Aug 6 – Sep 10 85–110
Kohlrabi Mar 26 Apr 16 Apr 30 Aug 9 Jun 18 – Jul 23 45–65
Komatsuna Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Jul 9 35–50
Leeks Mar 26 Apr 16 Apr 30 Aug 9 Jul 30 – Oct 15 90–150
Lentils Mar 26 Apr 16 Apr 30 Aug 9 Jul 23 – Sep 3 80–110
Lettuce Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Aug 13 30–60
Lima Beans May 7 Jul 9 – Aug 20 60–90
Loofah Mar 5 May 7 May 14 Aug 27 – Oct 29 100–150
Luffa Mar 5 May 7 May 14 Aug 13 – Oct 29 90–150
Mache Mar 26 Apr 16 Apr 30 Aug 9 Jun 11 – Jul 16 40–60
Melon Mar 26 May 7 May 14 Jul 23 – Sep 10 70–100
Microgreens Mar 26 Apr 16 Apr 30 Aug 9 May 7 – Jun 4 7–21
Mitsuba Mar 26 Apr 16 Apr 23 Aug 9 Jun 18 – Aug 13 50–70
Mizuna Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Jul 2 30–45
Mustard Greens Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Aug 6 30–50
Napa Cabbage Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Jul 30 55–75
New Zealand Spinach Mar 5 May 7 May 14 Jul 9 – Aug 6 55–70
Okra Mar 5 May 7 May 14 Jul 9 – Sep 3 50–65
Onion Mar 26 Apr 16 Apr 30 Aug 9 Jul 30 – Sep 17 90–120
Pac Choi Mar 26 Apr 16 Apr 30 Aug 9 Jun 11 – Jul 9 40–55
Parsnip Apr 16 Aug 9 Jul 30 – Sep 10 100–130
Patty Pan Squash Mar 26 May 7 May 14 Jul 2 – Jul 30 45–60
Peas Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Aug 20 55–70
Peppers Feb 19 May 7 May 14 Jul 16 – Sep 24 60–90
Pole Beans Mar 5 May 7 May 14 Jul 9 – Sep 3 55–70
Potatoes Mar 5 May 7 May 14 Jul 23 – Oct 1 70–120
Pumpkin Mar 26 May 7 May 14 Aug 13 – Oct 1 85–120
Purslane Mar 26 Apr 16 Apr 30 Aug 9 Jun 11 – Jul 16 40–60
Radicchio Mar 26 Apr 16 Apr 30 Aug 9 Jul 2 – Aug 6 60–80
Radish Apr 16 Aug 9 May 14 – Jun 4 22–35
Rhubarb May 21 365–730
Romanesco Mar 26 Apr 16 Apr 30 Aug 9 Jul 16 – Aug 27 75–100
Rutabaga Apr 16 Aug 9 Jul 9 – Aug 13 80–100
Salsify Apr 16 Aug 9 Jul 30 – Sep 10 100–130
Savoy Cabbage Mar 26 Apr 16 Apr 30 Aug 9 Jul 9 – Sep 3 70–110
Scallions Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Jul 23 50–70
Scarlet Runner Beans Mar 5 May 7 May 14 Jul 16 – Aug 20 60–80
Shallot Mar 26 Apr 16 Apr 30 Aug 9 Jul 30 – Sep 17 90–120
Shiso Mar 12 May 7 May 14 Jul 9 – Sep 3 50–70
Snap Peas Mar 5 May 7 May 14 Jul 9 – Sep 3 55–70
Snow Peas Mar 26 Apr 16 Apr 30 Aug 9 Jun 25 – Aug 20 50–65
Soybeans May 7 Jul 30 – Sep 24 80–120
Spaghetti Squash Mar 26 May 7 May 14 Aug 13 – Sep 10 85–100
Spinach Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Aug 6 35–50
Squash (Summer) Mar 26 May 7 May 14 Jul 2 – Sep 3 45–65
Squash (Winter) Mar 26 May 7 May 14 Aug 6 – Oct 1 80–120
Sunchoke May 14 Sep 3 – Oct 29 110–150
Sweet Corn May 7 Jul 9 – Aug 20 60–90
Sweet Potatoes Mar 5 May 7 May 14 Aug 13 – Oct 1 90–120
Tatsoi Mar 26 Apr 16 Apr 30 Aug 9 Jun 4 – Jul 9 35–50
Tomatillo Mar 5 May 7 May 14 Jul 16 – Sep 24 60–85
Tomatoes Mar 5 May 7 May 14 Jul 16 – Sep 24 60–85
Turnip Apr 16 Aug 9 May 28 – Jul 2 40–60
Watercress Mar 26 Apr 16 Apr 30 Aug 9 Jun 11 – Jul 16 40–60
Watermelon Mar 26 May 7 May 14 Jul 23 – Sep 10 70–100
Wax Beans May 7 Jul 2 – Aug 27 50–65
Winter Melon Mar 5 May 7 May 14 Aug 13 – Oct 1 90–120
Yard Long Beans Mar 5 May 7 May 14 Jul 9 – Aug 20 55–80
Zucchini Mar 26 May 7 May 14 Jul 2 – Aug 27 45–60

🍓 Fruits to Grow in Beloit

27 fruits matched to Zone 6a with planting dates calibrated for Beloit.

Show all 27 fruits with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries May 21 Aug 20 – Dec 3 90–180
Aronia May 21 730–1095
Blackberries May 21 365–730
Blueberries May 21 730–1095
Boysenberries May 21 365–730
Cantaloupe May 21 Jul 30 – Sep 3 70–90
Che Fruit May 21 1095–1825
Cranberries May 21 730–1095
Currants May 21 730–1095
Elderberries May 21 730–1095
Goji Berries May 21 730–1095
Gooseberries May 21 730–1095
Grapes May 21 730–1095
Ground Cherry May 21 Jul 30 – Sep 24 65–80
Hardy Kiwi May 21 1095–1825
Haskaps May 21 730–1095
Honeydew May 21 Aug 13 – Sep 24 80–110
Jostaberry May 21 730–1095
Lingonberries May 21 730–1095
Medlar May 21 1095–1825
Mulberries May 21 730–1825
Pawpaw May 21 1095–2555
Persimmon May 21 1095–2555
Quince May 21 1095–1825
Raspberries May 21 365–730
Serviceberries May 21 730–1095
Strawberries May 21 Aug 20 – Dec 3 90–365

🌿 Herbs to Grow in Beloit

35 herbs matched to Zone 6a with planting dates calibrated for Beloit.

Show all 35 herbs with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Mar 26 Apr 16 Apr 23 Aug 9 365–730
Anise Mar 26 Apr 16 Apr 23 Aug 9 Jul 23 – Oct 8 90–120
Basil Mar 12 May 7 May 14 Jul 9 – Sep 10 50–75
Bee Balm May 7 Aug 6 – Oct 22 90–120
Borage Mar 26 Apr 16 Apr 23 Aug 9 Jun 18 – Aug 6 50–60
Caraway Mar 26 Apr 16 Apr 23 Aug 9 365–450
Catnip May 7 Jul 9 – Sep 10 60–80
Chamomile Mar 26 Apr 16 Apr 23 Aug 9 Jun 25 – Sep 3 60–90
Chervil Mar 26 Apr 16 Apr 23 Aug 9 Jun 4 – Aug 6 40–60
Chives May 7 Jul 9 – Sep 17 60–90
Cilantro Mar 26 Apr 16 Apr 23 Aug 9 Jun 4 – Aug 6 40–60
Comfrey May 7 Jul 9 – Sep 17 60–90
Cumin Mar 26 Apr 16 Apr 23 Aug 9 Aug 6 – Oct 8 100–120
Dill Mar 26 Apr 16 Apr 23 Aug 9 Jun 4 – Aug 6 40–60
Epazote Mar 12 May 7 May 14 Jul 2 – Aug 27 45–60
Fennel (herb) Mar 26 Apr 16 Apr 23 Aug 9 Jun 25 – Sep 3 60–90
Feverfew May 7 Aug 6 – Oct 22 90–120
Garlic Chives May 7 Jul 9 – Sep 17 60–90
Horehound May 7 Jul 23 – Sep 17 75–90
Hyssop May 7 Jul 16 – Sep 17 70–90
Lemon Balm May 7 Jul 9 – Aug 27 60–70
Lemon Thyme May 7 Jul 16 – Sep 17 70–90
Lovage May 7 Jul 16 – Sep 17 70–90
Marjoram May 7 Jul 9 – Sep 17 60–90
Mint May 7 Jul 9 – Sep 17 60–90
Oregano May 7 Jul 9 – Sep 17 60–90
Parsley Mar 26 Apr 16 Apr 23 Aug 9 Jun 25 – Aug 27 60–80
Rue May 7 Jul 16 – Sep 17 70–90
Sage May 7 Jul 23 – Sep 17 75–90
Savory May 7 Jul 2 – Aug 27 50–70
Sorrel Mar 26 Apr 16 Apr 23 Aug 9 Jun 4 – Aug 6 40–60
Tarragon May 7 Jul 9 – Sep 17 60–90
Thai Basil Mar 12 May 7 May 14 Jul 9 – Sep 10 50–75
Thyme May 7 Jul 16 – Sep 17 70–90
Valerian May 7 Sep 10 – Nov 19 120–180

🌸 Flowers to Grow in Beloit

53 flowers matched to Zone 6a with planting dates calibrated for Beloit.

Show all 53 flowers with dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Mar 12 Apr 30 Apr 30 Jun 25 – Oct 1 60–75
Alliums Sep 6 Oct 4 – Nov 1 28–42
Anemones Apr 2 Apr 30 Jun 4 – Jul 2 90–120
Astilbe Feb 26 May 7 Jul 16 – Sep 24 70–100
Bachelor's Button Mar 19 Apr 2 Apr 30 Sep 6 Jul 2 – Sep 17 60–90
Begonias Feb 19 May 7 Jul 16 – Oct 15 70–90
Black-eyed Susan Feb 26 Apr 30 May 7 Jul 23 – Nov 5 60–80
Bleeding Hearts Feb 26 May 7 Jul 2 – Aug 6 60–90
Calendula Mar 19 Apr 2 Apr 30 Jun 18 – Sep 17 50–70
California Poppy Apr 2 Jun 11 – Jul 23 60–90
Celosia Mar 26 May 7 May 7 Jul 9 – Oct 22 60–90
Columbine Feb 26 May 14 May 14 Jul 9 – Aug 13 70–100
Coreopsis Feb 26 May 7 May 7 Jul 16 – Nov 5 60–80
Cosmos Apr 2 Apr 30 Apr 30 Jul 9 – Oct 15 60–90
Crocus Sep 6 Jul 26 – Aug 16 10–20
Daffodils Sep 6 Aug 2 – Aug 23 20–40
Dahlias Apr 2 May 7 May 7 Jul 23 – Nov 5 70–120
Daylily Feb 26 May 7 Jul 23 – Nov 5 60–90
Dianthus Mar 5 Apr 2 Apr 16 Jun 4 – Sep 3 60–80
Echinacea (Purple Coneflower) Feb 26 May 14 May 14 Aug 6 – Nov 12 70–90
Foxglove Feb 26 May 7 May 7 Jul 2 – Aug 6 80–120
Gaillardia (Blanket Flower) Mar 12 May 7 May 7 Jul 16 – Nov 19 70–100
Geraniums Feb 19 May 7 Jul 16 – Oct 15 70–100
Gladiolus Apr 30 Apr 30 Jul 16 – Oct 29 70–100
Hostas Feb 19 May 7 Jul 23 – Nov 5 60–90
Hyacinths Sep 6 Aug 23 – Sep 13 14–28
Hydrangeas Feb 19 May 7 Jul 16 – Oct 22 90–150
Impatiens Mar 5 May 7 Jul 16 – Oct 22 60–75
Irises Division May 7 Jul 2 – Jul 30 60–100
Larkspur Apr 2 Jun 11 – Aug 6 60–90
Lavender Feb 19 May 14 Jul 23 – Sep 17 90–120
Lilies Division May 7 Jul 16 – Oct 22 70–120
Lobelia Feb 26 Apr 16 Jun 11 – Sep 3 70–80
Lupine Feb 26 May 7 May 7 Jul 2 – Aug 6 75–100
Marigolds Mar 19 May 7 May 7 Jul 2 – Oct 1 50–70
Nasturtium Apr 2 May 7 May 7 Jul 2 – Oct 22 55–65
Pansy Feb 19 Apr 30 Aug 23 Jun 25 – Aug 27 70–90
Peonies Division May 7 Jul 9 – Aug 13 90–120
Petunia Mar 5 May 7 Jul 16 – Oct 22 70–90
Phlox Feb 26 May 7 May 7 Jul 16 – Oct 8 80–110
Portulaca Mar 26 May 7 May 7 Jun 25 – Oct 8 50–70
Ranunculus Mar 19 Apr 30 Jun 11 – Jul 9 90–120
Roses Feb 19 May 7 Jul 16 – Nov 5 90–180
Salvia Feb 26 May 7 Jul 16 – Oct 22 70–90
Sedum (Stonecrop) Feb 26 May 7 Aug 27 – Nov 12 60–90
Snapdragon Feb 19 Apr 9 Apr 30 Jul 9 – Sep 17 70–100
Sunflower Apr 9 May 7 May 7 Jul 30 – Oct 22 70–100
Sweet Alyssum Mar 12 Apr 9 Apr 30 Jun 11 – Aug 20 45–60
Sweet Pea Mar 19 Mar 26 Apr 30 Jul 16 – Sep 24 65–85
Tulips Sep 6 Aug 16 – Sep 13 15–30
Vinca (Annual) Feb 19 May 7 Jul 16 – Oct 22 70–90
Yarrow Feb 26 Apr 30 May 7 Jul 16 – Nov 5 60–90
Zinnia Apr 2 May 7 May 7 Jul 16 – Oct 22 60–70

Monthly Planting Guide for Beloit

ZIP Codes in Beloit

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 Mahoning County.

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Your Mahoning County Garden Planner — Free

A 22-page printable planner built for Mahoning County (Zone 6a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

Instant PDF download. No spam, unsubscribe any time.

Best Seller
The Gardener's Encyclopedia to Companion Planting

The Gardener's Encyclopedia to Companion Planting

$27 $293 value

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

  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
  • Full seed-starting + planting schedule with timing and spacing
  • Bonus: square-foot gardening guide + printable seasonal planners
See what's inside →
Reader favourite
Seed Saving & Storage Guide

Seed Saving & Storage Guide

$27 $157 value

Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.

  • 200 plants, step-by-step: life cycle, pollination type, isolation
  • Exact temperature + humidity ranges that keep seeds viable
  • Bonus: searchable Google Sheets tracker + custom GPT assistant
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 Beloit), 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.