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Hardin County, KY — Planting Guide

Hardin County, Kentucky Zone 7a June

June in Hardin County, Kentucky — your action list

Here's what deserves your attention in Hardin County, Kentucky this month. Everything below is tailored to Zone 7a and timed around your local frost dates.

Avg. last frost April 4
Avg. first frost November 1
Soil temp (4") 72°F
Watering Low
Pest pressure High
Daylight 14.6 hrs
  1. Get peppers, astilbe, and begonias seeds going inside

    Bottom-water once the first true leaves appear — it keeps stems dry and knocks back damping-off.

  2. It's harvest week for basil, carrots, and cucumber

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

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

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Hardin County is in USDA Zone 7a. The average last spring frost is April 4 and the first fall frost is November 1, giving you a growing season of approximately 211 days.

At an elevation of 1,464 ft, Hardin County receives approximately 48.8 in of rainfall annually. Summer highs average 87°F with winter lows around 21°F. The predominant soil type is Silt Loam.

Based on 31 years of NOAA climate station data, the last frost date here varies by 34 days year to year — ranging from March 18 in warm years to April 22 in cold years. The growing season is trending longer by about 1.81 days per decade. Hardin County scores 51/100 (Moderate) on the Microclimate Index.

🌡️ Zone

7a (0°F to 5°F min)

❄️ Last Frost

April 4

🍂 First Frost

November 1

📅 Growing Season

211 days

⛰️ Elevation

1,464 ft

🌧️ Annual Rainfall

48.8 in

Hardin County, KY Long season
211 days
Last Spring Frost April 4
211 growing days
First Fall Frost November 1

Monthly Watering Calendar for Hardin County

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

The practical takeaway: A drip irrigation system pays for itself in 1-2 seasons in any climate. Hardin County's 49" annual rainfall determines whether you'll run it weekly (dry zones) or maybe just during summer dry spells (wet zones).

1"/wk 0" 1.4" 2.8" 4.2" 5.6" Jan 4.5" Feb 3.6" Mar 4.2" Apr 4.2" +0.9" May 3.4" Jun 4.2" Jul 5.6" Aug 5" +0.8" Sep 3.5" +1.5" Oct 2.8" Nov 3.9" Dec 3.8"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 4.5 in 9 days None
Feb 3.6 in 9 days None
Mar 4.2 in 11 days 0.1 in Low
Apr 4.2 in 6 days 0.1 in Low
May 3.4 in 8 days 0.9 in Moderate
Jun 4.2 in 12 days 0.1 in Low
Jul 5.6 in 10 days Low
Aug 5 in 10 days Low
Sep 3.5 in 8 days 0.8 in Moderate
Oct 2.8 in 6 days 1.5 in Moderate
Nov 3.9 in 7 days None
Dec 3.8 in 7 days None

Annual total: 48.7 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.

Hardin County Soil Profile

Soil Type

Silt Loam

Soil pH

5.7-6.8

Drainage

Well Drained

Frost Risk Probability

Based on 31 years of NOAA weather station data from 2 stations

Too early frost risk Safe to Plant Apr 4 → Nov 1 211 frost-free days Protect crops frost returns Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Apr 22 Protect by: Nov 13

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) Apr 22 Nov 13 205 days
Cautious Apr 15 Nov 2 201 days
Average year Apr 4 Nov 1 211 days
Optimistic Mar 29 Oct 26 211 days
Aggressive (risky) Mar 18 Oct 17 213 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±34 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.

🌱
Is the growing season changing?

Yes — growing seasons are getting longer here (about 1.8 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.

Gardening Difficulty Score

51 Moderate
Frost Timing Risk
10.0/10
Drought Risk
5.5/10
Soil Difficulty
4.0/10
Altitude Challenge
0.9/10
Climate Shift
7.2/10
Rainfall Challenge
1.5/10

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

Zone 7a Frost Countdown
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Loading...
Last Frost: Apr 4 First Frost: Nov 1

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

County Extension Office

Hardin County University of Kentucky Cooperative Extension Extension Office

Phone: 859-257-4302

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 KY →

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 Hardin County

Soil testing Pest identification Master Gardener program
Finding local nurseries & garden centers in Hardin County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Hardin 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 Hardin County KY" or "garden center Hardin 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 Hardin County KY" or check your extension office and local parks department. Facebook groups like "Hardin County Gardeners" or "Kentucky 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 Eggplant (harvest ends Aug 29) 64 days until frost
After Lettuce (harvest ends Jul 18) 106 days until frost
After Chard (harvest ends Jul 18) 106 days until frost
After Cauliflower (harvest ends Aug 1) 92 days until frost
After Kale (harvest ends Jul 25) 99 days until frost
After Okra (harvest ends Aug 8) 85 days until frost

Sunlight & Day Length in Hardin County

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

Quick context: Onion varieties are sold by "short-day," "intermediate-day," and "long-day." Hardin County's latitude determines which to buy — and getting it wrong is the difference between baseball-sized bulbs and marbles.

Longest Day

14.6 hours

Summer solstice daylight

Shortest Day

9.4 hours

Winter solstice daylight

Peak Sun Hours

8.8 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 3h 6h 10h 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 9.7 hr 5 hr Short day
February 10.6 hr 5.5 hr Short day
March 11.7 hr 6.3 hr Short day
April 13 hr 7.9 hr Neutral
May 14 hr 8.4 hr Long day
June 14.6 hr 8.8 hr Long day
July 14.4 hr 8.3 hr Long day
August 13.5 hr 7.1 hr Neutral
September 12.2 hr 6.8 hr Neutral
October 11 hr 6.7 hr Short day
November 9.9 hr 5.4 hr Short day
December 9.4 hr 4.7 hr Short day

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

Soil Temperature & Composting in Hardin County

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

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

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from May through Oct.

Best Month to Compost

Jun

Microbial activity peaks when soil is warm.

Active Composting

7 months

Solid season. Piles go dormant in winter.

60°F 70°F 10° 33° 55° 78° 100° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 31°F 37°F ❄️ Dormant ~36 weeks
Feb 30°F 37°F ❄️ Dormant ~36 weeks
Mar 37°F 42°F ❄️ Dormant ~36 weeks
Apr 52°F 48°F ♻️ Active ~14 weeks
May 60°F 58°F ♻️ Active ~14 weeks
Jun 72°F 69°F 🔥 Peak ~8 weeks
Jul 82°F 73°F 🔥 Peak ~8 weeks
Aug 82°F 76°F 🔥 Peak ~8 weeks
Sep 74°F 73°F 🔥 Peak ~8 weeks
Oct 61°F 64°F ♻️ Active ~14 weeks
Nov 49°F 53°F 🐢 Slow ~24 weeks
Dec 36°F 42°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 Hardin County

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

Why this matters: Pest pressure is a function of climate, not effort. Hardin County's baseline tells you how much vigilance is normal. A bad pest year in low-pressure region = a normal year in high-pressure region.

Insect Pest Pressure

6.8 / 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 6 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate Apr, May, Jun, Jul, Aug, Sep
Japanese beetles High Jun, Jul, Aug
Squash vine borers Moderate Jun, Jul
Tomato hornworms Moderate Jun, Jul, Aug
Cucumber beetles Moderate May, Jun, Jul
Stink bugs Low Jun, Jul, Aug, Sep
Organic pest management tips
  • Use row covers on susceptible crops during peak pest months
  • Apply neem oil preventatively every 7-14 days during active pest season
  • Interplant with strong-scented herbs (basil, marigold) to confuse pests
  • Hand-pick larger pests (beetles, caterpillars) in early morning when they're sluggish
  • Practice crop rotation — never plant the same family in the same spot within 3 years

Cover Crops for Hardin 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 fix nitrogen by hosting bacteria that pull it from the air. A vigorous legume cover crop can deliver 50-150 lbs/acre of nitrogen — meaningful for the next vegetable season.

Spring Cover Crops (3 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 13 Aug 30 Rapid growth, attracts pollinators, suppresses weeds
Sorghum-sudan grass Apr 12 Aug 30 Massive biomass, breaks compaction, suppresses nematodes
White clover Mar 8 Sep 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 May 5 Oct 11 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 29 Mar 14 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Sep 2 Mar 14 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 16 Mar 21 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 18 Mar 21 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Oct 2 Mar 21 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 23 Mar 21 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Aug 10 Mar 14 Erosion control, weed suppression, good biomass

Wind & Microclimate in Hardin County

Why this matters: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Hardin County averages 6.9 mph. If you garden near coast, ridge, or open plains, you're likely above that — plan for it.

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

Seasonal Wind Speed

Spring: 10 mph   Summer: 7 mph

Fall: 7 mph   Winter: 9 mph

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

Windbreak Benefit

2.7/10

Low need — wind is not a major factor in your garden planning.

Frost Pocket Risk

Moderate

Some terrain variation (545 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.

Rainwater Harvesting in Hardin County

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

For new gardeners: A gravity-fed rain barrel ($75) is the easy entry. A larger cistern ($500-1500) covers a whole growing season. Hardin County's 49" annual rainfall determines whether the larger system is overkill or essential.

Annual Collection

24,272 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

Jan, Mar, Jul, Aug

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

Months to Draw From Storage

May, Sep, Oct

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 48.7 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 24,272 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (May, Sep, Oct)
  • Use a first-flush diverter to keep roof debris out of your collection

Soil & Growing Conditions in Hardin County

Soil Type

Silt Loam

Soil pH 5.7–6.8 · Somewhat Poorly Drained drainage

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

Watering Needs

Drought stress: 5.5/10

Moderate drought pressure. Drip irrigation and mulching are highly recommended to maintain soil moisture through summer.

Season Tips

211-day frost-free season

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

Your Free Printable Garden Planner

Plan every bed, every planting, every harvest — in one place. This 22-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.

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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 Hardin County

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

Show all 112 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 7 Apr 11 Apr 18 Jul 11 – Aug 15 80–100
Amaranth Feb 14 Apr 11 Apr 18 Jul 18 – Sep 5 90–120
Artichoke Apr 18 Aug 22 – Oct 31 120–180
Arugula Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jul 11 30–50
Asparagus Apr 18 730–1095
Beets Mar 21 Aug 23 May 16 – Jun 13 50–70
Belgian Endive Feb 28 Mar 21 Apr 4 Aug 23 Jul 25 – Sep 19 110–150
Bitter Melon Feb 14 Apr 11 Apr 18 Jun 20 – Aug 1 60–90
Black Beans Apr 11 Jul 11 – Aug 29 90–120
Bok Choy Feb 28 Mar 21 Apr 4 Aug 23 May 16 – Jun 20 40–60
Broccoli Feb 28 Mar 21 Apr 4 Aug 23 Jun 6 – Jul 18 60–90
Broccoli Rabe Feb 28 Mar 21 Apr 4 Aug 23 May 16 – Jun 20 40–60
Brussels Sprouts Feb 28 Mar 21 Apr 4 Aug 23 Jul 4 – Aug 29 90–130
Butternut Squash Mar 7 Apr 11 Apr 18 Jul 18 – Aug 22 85–110
Cabbage Feb 28 Mar 21 Apr 4 Aug 23 Jun 6 – Aug 1 60–100
Calabash Feb 14 Apr 11 Apr 18 Jul 11 – Sep 5 80–120
Cardoon Apr 18 Aug 22 – Oct 3 120–150
Carrots Mar 21 Aug 23 May 23 – Jun 27 60–80
Cauliflower Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Aug 1 55–100
Celeriac Feb 28 Mar 21 Apr 4 Aug 23 Jul 18 – Aug 22 100–120
Celery Feb 28 Mar 21 Apr 4 Aug 23 Jun 27 – Aug 22 80–120
Celtuce Feb 28 Mar 21 Apr 4 Aug 23 Jun 6 – Jul 18 60–90
Chard Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jul 18 50–60
Chayote Feb 14 Apr 11 Apr 18 Aug 22 – Oct 31 120–180
Chickpeas Feb 28 Mar 21 Apr 4 Aug 23 Jun 27 – Aug 8 80–110
Chicory Feb 28 Mar 21 Apr 4 Aug 23 Jun 6 – Jul 18 60–85
Chinese Cabbage Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jun 27 50–70
Christmas Lima Beans Feb 14 Apr 11 Apr 18 Jul 11 – Aug 15 80–100
Collard Greens Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Aug 1 55–75
Corn Apr 11 Jun 13 – Aug 8 60–100
Cowpeas Apr 11 Jun 13 – Jul 25 60–90
Cress Feb 28 Mar 21 Apr 4 Aug 23 Apr 18 – May 9 14–21
Crookneck Squash Mar 7 Apr 11 Apr 18 Jun 6 – Jul 4 45–60
Crosne Mar 21 Aug 23 Aug 22 – Oct 24 150–200
Cucumber Mar 7 Apr 11 Apr 18 Jun 13 – Aug 8 50–70
Daikon Mar 21 Aug 23 May 16 – Jun 13 50–70
Delicata Squash Mar 7 Apr 11 Apr 18 Jul 11 – Aug 15 80–100
Edamame Apr 11 Jun 27 – Aug 8 75–100
Eggplant Jan 31 Apr 11 Apr 18 Jun 27 – Aug 29 65–85
Endive Feb 28 Mar 21 Apr 4 Aug 23 May 23 – Jun 27 45–65
Escarole Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jun 27 50–70
Fava Beans Feb 28 Mar 21 Apr 4 Aug 23 Jun 20 – Aug 1 75–100
Fennel Feb 14 Apr 11 Apr 18 Jun 20 – Aug 1 60–90
Garlic Sep 20 Dec 20 – May 2 90–240
Green Beans Apr 11 Jun 6 – Aug 1 50–65
Horseradish Apr 18 Aug 22 – Oct 31 120–180
Hot Peppers Jan 31 Apr 11 Apr 18 Jun 27 – Oct 3 70–120
Hubbard Squash Mar 7 Apr 11 Apr 18 Aug 1 – Sep 5 100–120
Jicama Feb 14 Apr 11 Apr 18 Aug 22 – Oct 31 120–180
Kabocha Mar 7 Apr 11 Apr 18 Jul 18 – Aug 15 85–100
Kai Lan Feb 28 Mar 21 Apr 4 Aug 23 May 23 – Jun 20 45–60
Kale Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jul 25 50–70
Kidney Beans Apr 11 Jul 11 – Aug 15 85–110
Kohlrabi Feb 28 Mar 21 Apr 4 Aug 23 May 23 – Jun 27 45–65
Komatsuna Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jun 13 35–50
Leeks Feb 28 Mar 21 Apr 4 Aug 23 Jul 4 – Sep 19 90–150
Lentils Feb 28 Mar 21 Apr 4 Aug 23 Jun 27 – Aug 8 80–110
Lettuce Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jul 18 30–60
Lima Beans Apr 11 Jun 13 – Jul 25 60–90
Loofah Feb 14 Apr 11 Apr 18 Aug 1 – Oct 3 100–150
Luffa Feb 14 Apr 11 Apr 18 Jul 18 – Oct 3 90–150
Mache Feb 28 Mar 21 Apr 4 Aug 23 May 16 – Jun 20 40–60
Malabar Spinach Feb 14 Apr 11 Apr 18 Jun 13 – Jul 11 55–70
Melon Mar 7 Apr 11 Apr 18 Jun 27 – Aug 15 70–100
Microgreens Feb 28 Mar 21 Apr 4 Aug 23 Apr 11 – May 9 7–21
Mitsuba Feb 28 Mar 21 Mar 28 Aug 23 May 23 – Jul 18 50–70
Mizuna Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jun 6 30–45
Mustard Greens Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jul 11 30–50
Napa Cabbage Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jul 4 55–75
New Zealand Spinach Feb 14 Apr 11 Apr 18 Jun 13 – Jul 11 55–70
Okra Feb 14 Apr 11 Apr 18 Jun 13 – Aug 8 50–65
Onion Feb 28 Mar 21 Apr 4 Aug 23 Jul 4 – Aug 22 90–120
Pac Choi Feb 28 Mar 21 Apr 4 Aug 23 May 16 – Jun 13 40–55
Parsnip Mar 21 Aug 23 Jul 4 – Aug 15 100–130
Patty Pan Squash Mar 7 Apr 11 Apr 18 Jun 6 – Jul 4 45–60
Peas Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jul 25 55–70
Peppers Jan 31 Apr 11 Apr 18 Jun 20 – Aug 29 60–90
Pole Beans Feb 14 Apr 11 Apr 18 Jun 13 – Aug 8 55–70
Potatoes Feb 14 Apr 11 Apr 18 Jun 27 – Sep 5 70–120
Pumpkin Mar 7 Apr 11 Apr 18 Jul 18 – Sep 5 85–120
Purslane Feb 28 Mar 21 Apr 4 Aug 23 May 16 – Jun 20 40–60
Radicchio Feb 28 Mar 21 Apr 4 Aug 23 Jun 6 – Jul 11 60–80
Radish Mar 21 Aug 23 Apr 18 – May 9 22–35
Rhubarb Apr 25 365–730
Romanesco Feb 28 Mar 21 Apr 4 Aug 23 Jun 20 – Aug 1 75–100
Rutabaga Mar 21 Aug 23 Jun 13 – Jul 18 80–100
Salsify Mar 21 Aug 23 Jul 4 – Aug 15 100–130
Savoy Cabbage Feb 28 Mar 21 Apr 4 Aug 23 Jun 13 – Aug 8 70–110
Scallions Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jun 27 50–70
Scarlet Runner Beans Feb 14 Apr 11 Apr 18 Jun 20 – Jul 25 60–80
Shallot Feb 28 Mar 21 Apr 4 Aug 23 Jul 4 – Aug 22 90–120
Shiso Feb 14 Apr 11 Apr 18 Jun 13 – Aug 8 50–70
Snap Peas Feb 14 Apr 11 Apr 18 Jun 13 – Aug 8 55–70
Snow Peas Feb 28 Mar 21 Apr 4 Aug 23 May 30 – Jul 25 50–65
Soybeans Apr 11 Jul 4 – Aug 29 80–120
Spaghetti Squash Mar 7 Apr 11 Apr 18 Jul 18 – Aug 15 85–100
Spinach Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jul 11 35–50
Squash (Summer) Mar 7 Apr 11 Apr 18 Jun 6 – Aug 8 45–65
Squash (Winter) Mar 7 Apr 11 Apr 18 Jul 11 – Sep 5 80–120
Sunchoke Apr 18 Aug 8 – Oct 3 110–150
Sweet Corn Apr 11 Jun 13 – Jul 25 60–90
Sweet Potatoes Feb 14 Apr 11 Apr 18 Jul 18 – Sep 5 90–120
Tatsoi Feb 28 Mar 21 Apr 4 Aug 23 May 9 – Jun 13 35–50
Tomatillo Feb 14 Apr 11 Apr 18 Jun 20 – Aug 29 60–85
Tomatoes Feb 14 Apr 11 Apr 18 Jun 20 – Aug 29 60–85
Turnip Mar 21 Aug 23 May 2 – Jun 6 40–60
Watercress Feb 28 Mar 21 Apr 4 Aug 23 May 16 – Jun 20 40–60
Watermelon Mar 7 Apr 11 Apr 18 Jun 27 – Aug 15 70–100
Wax Beans Apr 11 Jun 6 – Aug 1 50–65
Winter Melon Feb 14 Apr 11 Apr 18 Jul 18 – Sep 5 90–120
Yard Long Beans Feb 14 Apr 11 Apr 18 Jun 13 – Jul 25 55–80
Zucchini Mar 7 Apr 11 Apr 18 Jun 6 – Aug 1 45–60

🍓 Fruits to Grow in Hardin County

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

Show all 31 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Apr 25 Jul 25 – Nov 7 90–180
Aronia Apr 25 730–1095
Blackberries Apr 25 365–730
Blueberries Apr 25 730–1095
Boysenberries Apr 25 365–730
Cantaloupe Apr 25 Jul 4 – Aug 8 70–90
Che Fruit Apr 25 1095–1825
Cranberries Apr 25 730–1095
Currants Apr 25 730–1095
Elderberries Apr 25 730–1095
Figs Apr 25 730–1825
Goji Berries Apr 25 730–1095
Gooseberries Apr 25 730–1095
Grapes Apr 25 730–1095
Ground Cherry Apr 25 Jul 4 – Aug 29 65–80
Hardy Kiwi Apr 25 1095–1825
Haskaps Apr 25 730–1095
Honeydew Apr 25 Jul 18 – Aug 29 80–110
Jostaberry Apr 25 730–1095
Kiwi Apr 25 1095–1825
Lingonberries Apr 25 730–1095
Loquat Apr 25 730–1825
Medlar Apr 25 1095–1825
Mulberries Apr 25 730–1825
Pawpaw Apr 25 1095–2555
Persimmon Apr 25 1095–2555
Pomegranate Apr 25 730–1095
Quince Apr 25 1095–1825
Raspberries Apr 25 365–730
Serviceberries Apr 25 730–1095
Strawberries Apr 25 Jul 25 – Dec 5 90–365

🌿 Herbs to Grow in Hardin County

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

Show all 36 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Feb 28 Mar 21 Mar 28 Aug 23 365–730
Anise Feb 28 Mar 21 Mar 28 Aug 23 Jun 27 – Sep 12 90–120
Basil Feb 14 Apr 11 Apr 18 Jun 13 – Aug 15 50–75
Bee Balm Apr 11 Jul 11 – Sep 26 90–120
Borage Feb 28 Mar 21 Mar 28 Aug 23 May 23 – Jul 11 50–60
Caraway Feb 28 Mar 21 Mar 28 Aug 23 365–450
Catnip Apr 11 Jun 13 – Aug 15 60–80
Chamomile Feb 28 Mar 21 Mar 28 Aug 23 May 30 – Aug 8 60–90
Chervil Feb 28 Mar 21 Mar 28 Aug 23 May 9 – Jul 11 40–60
Chives Apr 11 Jun 13 – Aug 22 60–90
Cilantro Feb 28 Mar 21 Mar 28 Aug 23 May 9 – Jul 11 40–60
Comfrey Apr 11 Jun 13 – Aug 22 60–90
Cumin Feb 28 Mar 21 Mar 28 Aug 23 Jul 11 – Sep 12 100–120
Dill Feb 28 Mar 21 Mar 28 Aug 23 May 9 – Jul 11 40–60
Epazote Feb 14 Apr 11 Apr 18 Jun 6 – Aug 1 45–60
Fennel (herb) Feb 28 Mar 21 Mar 28 Aug 23 May 30 – Aug 8 60–90
Feverfew Apr 11 Jul 11 – Sep 26 90–120
Garlic Chives Apr 11 Jun 13 – Aug 22 60–90
Horehound Apr 11 Jun 27 – Aug 22 75–90
Hyssop Apr 11 Jun 20 – Aug 22 70–90
Lemon Balm Apr 11 Jun 13 – Aug 1 60–70
Lemon Thyme Apr 11 Jun 20 – Aug 22 70–90
Lovage Apr 11 Jun 20 – Aug 22 70–90
Marjoram Apr 11 Jun 13 – Aug 22 60–90
Mint Apr 11 Jun 13 – Aug 22 60–90
Oregano Apr 11 Jun 13 – Aug 22 60–90
Parsley Feb 28 Mar 21 Mar 28 Aug 23 May 30 – Aug 1 60–80
Rosemary Apr 11 Jul 4 – Nov 21 80–180
Rue Apr 11 Jun 20 – Aug 22 70–90
Sage Apr 11 Jun 27 – Aug 22 75–90
Savory Apr 11 Jun 6 – Aug 1 50–70
Sorrel Feb 28 Mar 21 Mar 28 Aug 23 May 9 – Jul 11 40–60
Tarragon Apr 11 Jun 13 – Aug 22 60–90
Thai Basil Feb 14 Apr 11 Apr 18 Jun 13 – Aug 15 50–75
Thyme Apr 11 Jun 20 – Aug 22 70–90
Valerian Apr 11 Aug 15 – Nov 21 120–180

🌸 Flowers to Grow in Hardin County

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

Show all 53 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Feb 21 Apr 4 Apr 4 May 30 – Sep 19 60–75
Alliums Sep 27 Oct 25 – Nov 15 28–42
Anemones Sep 6 Sep 20 – Oct 18 90–120
Astilbe Jan 31 Apr 11 Jun 20 – Aug 15 70–100
Bachelor's Button Feb 21 Feb 28 Apr 4 Sep 6 Jun 6 – Sep 5 60–90
Begonias Jan 24 Apr 4 Jun 13 – Oct 3 70–90
Black-eyed Susan Jan 31 Apr 4 Apr 11 Jun 20 – Oct 24 60–80
Bleeding Hearts Jan 31 Apr 11 May 30 – Jul 4 60–90
Calendula Feb 21 Feb 28 Apr 4 Sep 6 May 23 – Sep 5 50–70
California Poppy Mar 7 Sep 6 May 16 – Jul 25 60–90
Celosia Mar 7 Apr 4 Apr 4 Jun 6 – Oct 3 60–90
Columbine Feb 7 Apr 11 Apr 11 May 30 – Jul 4 70–100
Coreopsis Jan 31 Apr 4 Apr 11 Jun 13 – Oct 24 60–80
Cosmos Mar 7 Apr 4 Apr 4 Jun 13 – Oct 3 60–90
Crocus Sep 27 Aug 23 – Sep 13 10–20
Daffodils Sep 27 Aug 30 – Sep 20 20–40
Dahlias Mar 7 Apr 11 Apr 11 Jun 20 – Oct 24 70–120
Daylily Jan 31 Apr 11 Jun 20 – Oct 24 60–90
Dianthus Feb 7 Feb 28 Mar 14 May 2 – Aug 1 60–80
Echinacea (Purple Coneflower) Jan 31 Apr 11 Apr 11 Jun 27 – Oct 24 70–90
Foxglove Feb 7 Apr 11 Apr 11 May 30 – Jul 4 80–120
Gaillardia (Blanket Flower) Feb 14 Apr 11 Apr 11 Jun 20 – Nov 7 70–100
Geraniums Jan 24 Apr 4 Jun 13 – Oct 3 70–100
Gladiolus Apr 4 Apr 4 Jun 13 – Oct 17 70–100
Hostas Jan 24 Apr 11 Jun 20 – Oct 24 60–90
Hyacinths Sep 27 Sep 20 – Oct 11 14–28
Hydrangeas Jan 24 Apr 11 Jun 20 – Oct 10 90–150
Impatiens Feb 7 Apr 11 Jun 20 – Oct 10 60–75
Irises Division Apr 11 May 30 – Jul 4 60–100
Larkspur Mar 7 Aug 23 May 16 – Jul 25 60–90
Lavender Jan 31 Apr 18 Jun 27 – Sep 5 90–120
Lilies Division Apr 11 Jun 20 – Oct 10 70–120
Lobelia Jan 31 Mar 14 May 9 – Aug 1 70–80
Lupine Feb 7 Apr 11 Apr 11 May 30 – Jul 4 75–100
Marigolds Feb 21 Apr 4 Apr 4 May 30 – Sep 5 50–70
Nasturtium Mar 7 Apr 4 Apr 4 May 30 – Oct 3 55–65
Pansy Jan 24 Apr 4 Aug 23 May 30 – Aug 8 70–90
Peonies Division Apr 11 Jun 6 – Jul 11 90–120
Petunia Feb 7 Apr 11 Jun 20 – Oct 10 70–90
Phlox Jan 31 Apr 11 Apr 11 Jun 20 – Sep 12 80–110
Portulaca Mar 7 Apr 4 Apr 4 May 23 – Sep 19 50–70
Ranunculus Sep 6 Oct 4 – Nov 1 90–120
Roses Jan 24 Apr 11 Jun 20 – Oct 24 90–180
Salvia Feb 7 Apr 4 Jun 13 – Oct 3 70–90
Sedum (Stonecrop) Jan 31 Apr 11 Aug 1 – Oct 24 60–90
Snapdragon Jan 24 Mar 7 Apr 4 Sep 6 Jun 13 – Sep 5 70–100
Sunflower Mar 14 Apr 4 Apr 4 Jun 27 – Oct 3 70–100
Sweet Alyssum Feb 21 Mar 7 Apr 4 Sep 20 May 16 – Aug 8 45–60
Sweet Pea Feb 28 Sep 6 May 9 – Aug 1 65–85
Tulips Sep 27 Sep 13 – Oct 4 15–30
Vinca (Annual) Jan 24 Apr 4 Jun 13 – Oct 3 70–90
Yarrow Jan 31 Apr 4 Apr 11 Jun 13 – Oct 24 60–90
Zinnia Mar 7 Apr 4 Apr 4 Jun 13 – Oct 3 60–70
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Monthly Planting Guide for Hardin County

Gardening Guides & Resources

Helpful guides from The Ultimate Homestead to improve your garden in Hardin County.

Frequently Asked Questions

What planting zone is Hardin County, KY?

Hardin County is in USDA Hardiness Zone 7a. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.

When is the last frost in Hardin County, KY?

Based on 31 years of NOAA weather station data, the median last spring frost in Hardin County falls around April 4. In 8 out of 10 years, last frost lands between March 18 and April 22 — a 34-day window of variability. Use April 22 as your conservative safe-to-plant date for frost-sensitive crops.

When is the first fall frost in Hardin County, KY?

The median first fall frost in Hardin County arrives around November 1. In cold years it can arrive as early as October 17; in mild years as late as November 13. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

How long is the growing season in Hardin County?

Hardin County has a frost-free growing season of approximately 211 days. This long season supports multiple succession plantings and warm-season crops that need extended heat, like sweet potatoes and melons. Climate records show the growing season is trending longer by about 1.81 days per decade.

What is the soil like in Hardin County for gardening?

Hardin County has predominantly Silt Loam soil with a pH range of 5.7–6.8 and Somewhat Poorly Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.

What is grown commercially in Hardin County?

Hardin County has commercial agriculture that includes Soybeans, Corn, Cattle, Hay, Wheat. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.

Is Hardin County a good location for home gardening?

Hardin County scores 51/100 (Moderate) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Conditions here are moderate — most common crops grow well with standard timing and care.

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A 22-page printable planner built for Hardin County (Zone 7a). 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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  • Proven pairings for 200+ vegetables, herbs, flowers, and fruits
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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA GHCN-D daily station data (1994–2024) from 2 weather stations in or near Hardin County (31 years of records). Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.