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Houston County, TN — Planting Guide

Houston County, Tennessee Zone 7b May

What to do in May

If you only do a handful of things in the garden this May, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 5
Avg. first frost October 30
Soil temp (4") 67°F
Watering Moderate
Pest pressure Moderate
Daylight 13.9 hrs
  1. Time to start basil, cucumber, and kale inside

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

  2. Start harvesting carrots, kale, and lettuce

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

To set up a strong June, finish these tasks
  • Starting indoors: peppers, eggplant, and hot peppers
  • First harvests: basil, carrots, and cucumber

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Houston County is in USDA Zone 7b. The average last spring frost is April 5 and the first fall frost is October 30, giving you a growing season of approximately 208 days.

At an elevation of 1,399 ft, Houston County receives approximately 42.5 in of rainfall annually. Summer highs average 90°F with winter lows around 30°F. The predominant soil type is Silt Loam.

Based on 31 years of NOAA climate station data, the last frost date here varies by 30 days year to year — ranging from March 19 in warm years to April 18 in cold years. The growing season is trending shorter by about 0.8 days per decade. Houston County scores 69/100 (Good) on the Microclimate Index.

🌡️ Zone

7b (°F to °F min)

❄️ Last Frost

April 5

🍂 First Frost

October 30

📅 Growing Season

208 days

⛰️ Elevation

1,399 ft

🌧️ Annual Rainfall

42.5 in

Houston County, TN Long season
208 days
Last Spring Frost April 5
208 growing days
First Fall Frost October 30

Monthly Watering Calendar

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

1"/wk 0" 1.3" 2.5" 3.8" 5" Jan 3.5" Feb 3.5" +0.5" Mar 3.8" +1.2" Apr 3.1" +0.7" May 3.6" +0.4" Jun 3.9" Jul 4.4" +0.4" Aug 3.9" +1.1" Sep 3.2" +1.4" Oct 2.9" Nov 3.6" Dec 3.3"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 3.5 in 8 days None
Feb 3.5 in 8 days None
Mar 3.8 in 10 days 0.5 in Low
Apr 3.1 in 8 days 1.2 in Moderate
May 3.6 in 9 days 0.7 in Moderate
Jun 3.9 in 9 days 0.4 in Low
Jul 4.4 in 10 days Low
Aug 3.9 in 12 days 0.4 in Low
Sep 3.2 in 7 days 1.1 in Moderate
Oct 2.9 in 7 days 1.4 in Moderate
Nov 3.6 in 8 days None
Dec 3.3 in 8 days None

Annual total: 42.7 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.

Houston County Soil Profile

Soil Type

Silt Loam

Soil pH

5.4-6.5

Drainage

Well Drained

Frost Risk Probability

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

Too early frost risk Safe to Plant Apr 5 → Oct 30 208 frost-free days Protect crops frost returns Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Apr 18 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 18 Nov 13 209 days
Cautious Apr 12 Nov 2 204 days
Average year Apr 5 Oct 30 208 days
Optimistic Mar 30 Oct 26 210 days
Aggressive (risky) Mar 19 Oct 17 212 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±30 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?

Slightly — seasons are trending a bit shorter (0.8 days/decade). Stay conservative with planting dates.

Gardening Difficulty Score

69 Good
Frost Timing Risk
10.0/10
Drought Risk
3.5/10
Soil Difficulty
1.0/10
Altitude Challenge
0.8/10
Climate Shift
3.2/10
Rainfall Challenge
0.0/10

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

Zone 7b Frost Countdown
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Loading...
Last Frost: Apr 5 First Frost: Oct 30

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

County Extension Office

Houston County University of Tennessee Extension Extension Office

Phone: 865-974-7114

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 TN →

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 Houston County

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

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Houston 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 Houston County TN" or "garden center Houston 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 Houston County TN" or check your extension office and local parks department. Facebook groups like "Houston County Gardeners" or "Tennessee 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 Pole Beans (harvest ends Aug 9) 82 days until frost
After Peppers (harvest ends Aug 30) 61 days until frost
After Squash (Summer) (harvest ends Aug 9) 82 days until frost
After Beets (harvest ends Jun 28) 124 days until frost
After Spinach (harvest ends Jul 12) 110 days until frost
After Squash (Winter) (harvest ends Sep 6) 54 days until frost

Sunlight & Day Length

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

Longest Day

14.5 hours

Summer solstice daylight

Shortest Day

9.5 hours

Winter solstice daylight

Peak Sun Hours

8.4 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 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: Day-neutral onion varieties like Candy, Cabernet, and Sierra Blanca perform best in your day-length range.

View detailed monthly data
MonthDaylight HoursPeak Sun HoursDay Length
January 9.8 hr 4.8 hr Short day
February 10.7 hr 5.3 hr Short day
March 11.7 hr 6.5 hr Short day
April 12.9 hr 7.7 hr Neutral
May 13.9 hr 8.4 hr Neutral
June 14.5 hr 8.4 hr Long day
July 14.2 hr 7.7 hr Long day
August 13.4 hr 7.6 hr Neutral
September 12.2 hr 7.2 hr Neutral
October 11 hr 7 hr Short day
November 10 hr 5.5 hr Short day
December 9.5 hr 4.4 hr Short day

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

Soil Temperature & Composting Calendar

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

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from May through Oct.

Best Month to Compost

May

Microbial activity peaks when soil is warm.

Active Composting

8 months

Nearly year-round composting.

60°F 70°F 20° 40° 60° 80° 100° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 36°F 43°F ❄️ Dormant ~36 weeks
Feb 38°F 43°F ❄️ Dormant ~36 weeks
Mar 44°F 47°F 🐢 Slow ~24 weeks
Apr 55°F 56°F ♻️ Active ~14 weeks
May 67°F 65°F 🔥 Peak ~8 weeks
Jun 77°F 71°F 🔥 Peak ~8 weeks
Jul 84°F 78°F 🔥 Peak ~8 weeks
Aug 85°F 82°F 🔥 Peak ~8 weeks
Sep 79°F 77°F 🔥 Peak ~8 weeks
Oct 69°F 70°F 🔥 Peak ~8 weeks
Nov 56°F 60°F ♻️ Active ~14 weeks
Dec 42°F 50°F 🐢 Slow ~24 weeks

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

Pest & Disease Pressure in Houston County

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

Insect Pest Pressure

6.4 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

7.1 / 10

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

Seasonal Risk

Spring Moderate
Summer High
Fall Low
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids High Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Japanese beetles Moderate Jun, Jul, Aug
Squash vine borers Moderate May, Jun, Jul
Stink bugs High May, Jun, Jul, Aug, Sep
Whiteflies Low Jun, Jul, Aug, Sep
Spider mites Moderate Jul, Aug
Organic pest management tips
  • Use row covers on susceptible crops during peak pest months
  • Apply neem oil preventatively every 7-14 days during active pest season
  • Interplant with strong-scented herbs (basil, marigold) to confuse pests
  • Hand-pick larger pests (beetles, caterpillars) in early morning when they're sluggish
  • Practice crop rotation — never plant the same family in the same spot within 3 years
  • Watch for powdery mildew, downy mildew, blight — common in your climate

Cover Crops for Houston County

Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with county-specific planting dates.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 13 Aug 21 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Apr 14 Aug 28 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Apr 12 Aug 28 Massive biomass, breaks compaction, suppresses nematodes
White clover Mar 5 Sep 4 ✓ Yes Living mulch, fixes nitrogen, permanent ground cover
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
Crop Plant By Terminate N-Fixing Soil Benefit
Sunflowers Apr 17 Oct 2 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 Sep 4 Mar 15 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Sep 3 Mar 22 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 15 Mar 15 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 12 Mar 22 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 22 Mar 22 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 22 Mar 15 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Jul 23 Mar 15 Erosion control, weed suppression, good biomass

Wind & Microclimate

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

Seasonal Wind Speed

Spring: 9 mph   Summer: 6 mph

Fall: 8 mph   Winter: 9 mph

Prevailing wind: SW. Low wind — no windbreak needed for most crops.

Windbreak Benefit

2.7/10

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

Frost Pocket Risk

Low

Relatively flat terrain (384 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting Potential

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

Annual Collection

21,281 gal

Per 1,000 sq ft of roof area (at 80% collection efficiency)

Recommended Setup

6 rain barrels (55 gal each)

For a typical 500 sq ft garden. Serious collectors: consider a 500 gal tank.

Legal Status

Unrestricted

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

Best Collection Months

Mar, Jun, Jul, Aug

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

Months to Draw From Storage

Apr, 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 42.7 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 21,281 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Stock up on stored water before your dry season (Apr, Sep, Oct)
  • Use a first-flush diverter to keep roof debris out of your collection

Soil & Growing Conditions in Houston County

Soil Type

Silt Loam

Soil pH 5.4–6.5 · Moderately Well Drained drainage

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

Watering Needs

Drought stress: 3.5/10

Low-to-moderate drought stress. Plan to water 1–2 times per week during peak summer. (42.5 in. annual rainfall)

Season Tips

208-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 24-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.

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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 Houston County

113 vegetables that grow well in Zone 7b with planting dates for Houston County.

Show all 113 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Acorn Squash Mar 8 Apr 12 Apr 19 Jul 12 – Aug 16 80–100
Amaranth Feb 15 Apr 12 Apr 19 Jul 19 – Sep 6 90–120
Artichoke Apr 19 Aug 23 – Nov 1 120–180
Arugula Mar 1 Mar 22 Apr 5 May 10 – Jul 12 30–50
Asparagus Apr 19 730–1095
Beets Mar 22 May 17 – Jun 14 50–70
Belgian Endive Mar 1 Mar 22 Apr 5 Jul 26 – Sep 20 110–150
Bitter Melon Feb 15 Apr 12 Apr 19 Jun 21 – Aug 2 60–90
Black Beans Apr 12 Jul 12 – Aug 30 90–120
Bok Choy Mar 1 Mar 22 Apr 5 May 17 – Jun 21 40–60
Broccoli Mar 1 Mar 22 Apr 5 Jun 7 – Jul 19 60–90
Broccoli Rabe Mar 1 Mar 22 Apr 5 May 17 – Jun 21 40–60
Brussels Sprouts Mar 1 Mar 22 Apr 5 Jul 5 – Aug 30 90–130
Butternut Squash Mar 8 Apr 12 Apr 19 Jul 19 – Aug 23 85–110
Cabbage Mar 1 Mar 22 Apr 5 Jun 7 – Aug 2 60–100
Calabash Feb 15 Apr 12 Apr 19 Jul 12 – Sep 6 80–120
Cardoon Apr 19 Aug 23 – Oct 4 120–150
Carrots Mar 22 May 24 – Jun 28 60–80
Cauliflower Mar 1 Mar 22 Apr 5 May 31 – Aug 2 55–100
Celeriac Mar 1 Mar 22 Apr 5 Jul 19 – Aug 23 100–120
Celery Mar 1 Mar 22 Apr 5 Jun 28 – Aug 23 80–120
Celtuce Mar 1 Mar 22 Apr 5 Jun 7 – Jul 19 60–90
Chard Mar 1 Mar 22 Apr 5 May 31 – Jul 19 50–60
Chayote Feb 15 Apr 12 Apr 19 Aug 23 – Nov 1 120–180
Chickpeas Mar 1 Mar 22 Apr 5 Jun 28 – Aug 9 80–110
Chicory Mar 1 Mar 22 Apr 5 Jun 7 – Jul 19 60–85
Chinese Cabbage Mar 1 Mar 22 Apr 5 May 31 – Jun 28 50–70
Christmas Lima Beans Feb 15 Apr 12 Apr 19 Jul 12 – Aug 16 80–100
Collard Greens Mar 1 Mar 22 Apr 5 May 31 – Aug 2 55–75
Corn Apr 12 Jun 14 – Aug 9 60–100
Cowpeas Apr 12 Jun 14 – Jul 26 60–90
Cress Mar 1 Mar 22 Apr 5 Apr 19 – May 10 14–21
Crookneck Squash Mar 8 Apr 12 Apr 19 Jun 7 – Jul 5 45–60
Crosne Mar 22 Aug 23 – Oct 25 150–200
Cucumber Mar 8 Apr 12 Apr 19 Jun 14 – Aug 9 50–70
Daikon Mar 22 May 17 – Jun 14 50–70
Delicata Squash Mar 8 Apr 12 Apr 19 Jul 12 – Aug 16 80–100
Edamame Apr 12 Jun 28 – Aug 9 75–100
Eggplant Feb 1 Apr 12 Apr 19 Jun 28 – Aug 30 65–85
Endive Mar 1 Mar 22 Apr 5 May 24 – Jun 28 45–65
Escarole Mar 1 Mar 22 Apr 5 May 31 – Jun 28 50–70
Fava Beans Mar 1 Mar 22 Apr 5 Jun 21 – Aug 2 75–100
Fennel Feb 15 Apr 12 Apr 19 Jun 21 – Aug 2 60–90
Garlic 90–240
Green Beans Apr 12 Jun 7 – Aug 2 50–65
Horseradish Apr 19 Aug 23 – Nov 1 120–180
Hot Peppers Feb 1 Apr 12 Apr 19 Jun 28 – Oct 4 70–120
Hubbard Squash Mar 8 Apr 12 Apr 19 Aug 2 – Sep 6 100–120
Jicama Feb 15 Apr 12 Apr 19 Aug 23 – Nov 1 120–180
Kabocha Mar 8 Apr 12 Apr 19 Jul 19 – Aug 16 85–100
Kai Lan Mar 1 Mar 22 Apr 5 May 24 – Jun 21 45–60
Kale Mar 1 Mar 22 Apr 5 May 31 – Jul 26 50–70
Kidney Beans Apr 12 Jul 12 – Aug 16 85–110
Kohlrabi Mar 1 Mar 22 Apr 5 May 24 – Jun 28 45–65
Komatsuna Mar 1 Mar 22 Apr 5 May 10 – Jun 14 35–50
Leeks Mar 1 Mar 22 Apr 5 Jul 5 – Sep 20 90–150
Lentils Mar 1 Mar 22 Apr 5 Jun 28 – Aug 9 80–110
Lettuce Mar 1 Mar 22 Apr 5 May 10 – Jul 19 30–60
Lima Beans Apr 12 Jun 14 – Jul 26 60–90
Loofah Feb 15 Apr 12 Apr 19 Aug 2 – Oct 4 100–150
Luffa Feb 15 Apr 12 Apr 19 Jul 19 – Oct 4 90–150
Mache Mar 1 Mar 22 Apr 5 May 17 – Jun 21 40–60
Malabar Spinach Feb 15 Apr 12 Apr 19 Jun 14 – Jul 12 55–70
Melon Mar 8 Apr 12 Apr 19 Jun 28 – Aug 16 70–100
Microgreens Mar 1 Mar 22 Apr 5 Apr 12 – May 10 7–21
Mitsuba Mar 1 Mar 22 Mar 29 May 24 – Jul 19 50–70
Mizuna Mar 1 Mar 22 Apr 5 May 10 – Jun 7 30–45
Mustard Greens Mar 1 Mar 22 Apr 5 May 10 – Jul 12 30–50
Napa Cabbage Mar 1 Mar 22 Apr 5 May 31 – Jul 5 55–75
New Zealand Spinach Feb 15 Apr 12 Apr 19 Jun 14 – Jul 12 55–70
Okra Feb 15 Apr 12 Apr 19 Jun 14 – Aug 9 50–65
Onion Mar 1 Mar 22 Apr 5 Jul 5 – Aug 23 90–120
Pac Choi Mar 1 Mar 22 Apr 5 May 17 – Jun 14 40–55
Parsnip Mar 22 Jul 5 – Aug 16 100–130
Patty Pan Squash Mar 8 Apr 12 Apr 19 Jun 7 – Jul 5 45–60
Peas Mar 1 Mar 22 Apr 5 May 31 – Jul 26 55–70
Peppers Feb 1 Apr 12 Apr 19 Jun 21 – Aug 30 60–90
Pole Beans Feb 15 Apr 12 Apr 19 Jun 14 – Aug 9 55–70
Potatoes Feb 15 Apr 12 Apr 19 Jun 28 – Sep 6 70–120
Pumpkin Mar 8 Apr 12 Apr 19 Jul 19 – Sep 6 85–120
Purslane Mar 1 Mar 22 Apr 5 May 17 – Jun 21 40–60
Radicchio Mar 1 Mar 22 Apr 5 Jun 7 – Jul 12 60–80
Radish Mar 22 Apr 19 – May 10 22–35
Rhubarb Apr 26 365–730
Romanesco Mar 1 Mar 22 Apr 5 Jun 21 – Aug 2 75–100
Rutabaga Mar 22 Jun 14 – Jul 19 80–100
Salsify Mar 22 Jul 5 – Aug 16 100–130
Savoy Cabbage Mar 1 Mar 22 Apr 5 Jun 14 – Aug 9 70–110
Scallions Mar 1 Mar 22 Apr 5 May 31 – Jun 28 50–70
Scarlet Runner Beans Feb 15 Apr 12 Apr 19 Jun 21 – Jul 26 60–80
Shallot Mar 1 Mar 22 Apr 5 Jul 5 – Aug 23 90–120
Shiso Feb 15 Apr 12 Apr 19 Jun 14 – Aug 9 50–70
Snap Peas Feb 15 Apr 12 Apr 19 Jun 14 – Aug 9 55–70
Snow Peas Mar 1 Mar 22 Apr 5 May 31 – Jul 26 50–65
Soybeans Apr 12 Jul 5 – Aug 30 80–120
Spaghetti Squash Mar 8 Apr 12 Apr 19 Jul 19 – Aug 16 85–100
Spinach Mar 1 Mar 22 Apr 5 May 10 – Jul 12 35–50
Squash (Summer) Mar 8 Apr 12 Apr 19 Jun 7 – Aug 9 45–65
Squash (Winter) Mar 8 Apr 12 Apr 19 Jul 12 – Sep 6 80–120
Sunchoke Apr 19 Aug 9 – Oct 4 110–150
Sunflower Feb 15 Apr 12 Apr 19 Jun 28 – Aug 16 70–100
Sweet Corn Apr 12 Jun 14 – Jul 26 60–90
Sweet Potatoes Feb 15 Apr 12 Apr 19 Jul 19 – Sep 6 90–120
Tatsoi Mar 1 Mar 22 Apr 5 May 10 – Jun 14 35–50
Tomatillo Feb 15 Apr 12 Apr 19 Jun 21 – Aug 30 60–85
Tomatoes Feb 15 Apr 12 Apr 19 Jun 21 – Aug 30 60–85
Turnip Mar 22 May 3 – Jun 7 40–60
Watercress Mar 1 Mar 22 Apr 5 May 17 – Jun 21 40–60
Watermelon Mar 8 Apr 12 Apr 19 Jun 28 – Aug 16 70–100
Wax Beans Apr 12 Jun 7 – Aug 2 50–65
Winter Melon Feb 15 Apr 12 Apr 19 Jul 19 – Sep 6 90–120
Yard Long Beans Feb 15 Apr 12 Apr 19 Jun 14 – Jul 26 55–80
Zucchini Mar 8 Apr 12 Apr 19 Jun 7 – Aug 2 45–60

🍓 Fruits to Grow in Houston County

31 fruits that grow well in Zone 7b with planting dates for Houston County.

Show all 31 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Alpine Strawberries Apr 26 Jul 26 – Nov 8 90–180
Aronia Apr 26 730–1095
Blackberries Apr 26 365–730
Blueberries Apr 26 730–1095
Boysenberries Apr 26 365–730
Cantaloupe Apr 26 Jul 5 – Aug 9 70–90
Che Fruit Apr 26 1095–1825
Cranberries Apr 26 730–1095
Currants Apr 26 730–1095
Elderberries Apr 26 730–1095
Figs Apr 26 730–1825
Goji Berries Apr 26 730–1095
Gooseberries Apr 26 730–1095
Grapes Apr 26 730–1095
Ground Cherry Apr 26 Jul 5 – Aug 30 65–80
Hardy Kiwi Apr 26 1095–1825
Haskaps Apr 26 730–1095
Honeydew Apr 26 Jul 19 – Aug 30 80–110
Jostaberry Apr 26 730–1095
Kiwi Apr 26 1095–1825
Lingonberries Apr 26 730–1095
Loquat Apr 26 730–1825
Medlar Apr 26 1095–1825
Mulberries Apr 26 730–1825
Pawpaw Apr 26 1095–2555
Persimmon Apr 26 1095–2555
Pomegranate Apr 26 730–1095
Quince Apr 26 1095–1825
Raspberries Apr 26 365–730
Serviceberries Apr 26 730–1095
Strawberries Apr 26 Jul 26 – Dec 6 90–365

🌿 Herbs to Grow in Houston County

39 herbs that grow well in Zone 7b with planting dates for Houston County.

Show all 39 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Harvest Days to Maturity
Angelica Mar 1 Mar 22 Mar 29 365–730
Anise Mar 1 Mar 22 Mar 29 Jun 28 – Sep 13 90–120
Basil Feb 15 Apr 12 Apr 19 Jun 14 – Aug 16 50–75
Bee Balm Apr 12 Jul 12 – Sep 27 90–120
Borage Mar 1 Mar 22 Mar 29 May 24 – Jul 12 50–60
Caraway Mar 1 Mar 22 Mar 29 365–450
Catnip Apr 12 Jun 14 – Aug 16 60–80
Chamomile Mar 1 Mar 22 Mar 29 May 31 – Aug 9 60–90
Chervil Mar 1 Mar 22 Mar 29 May 10 – Jul 12 40–60
Chives Apr 12 Jun 14 – Aug 23 60–90
Cilantro Mar 1 Mar 22 Mar 29 May 10 – Jul 12 40–60
Comfrey Apr 12 Jun 14 – Aug 23 60–90
Cumin Mar 1 Mar 22 Mar 29 Jul 12 – Sep 13 100–120
Dill Mar 1 Mar 22 Mar 29 May 10 – Jul 12 40–60
Echinacea Apr 12 Aug 16 – Nov 22 120–180
Epazote Feb 15 Apr 12 Apr 19 Jun 7 – Aug 2 45–60
Fennel (herb) Mar 1 Mar 22 Mar 29 May 31 – Aug 9 60–90
Feverfew Apr 12 Jul 12 – Sep 27 90–120
Garlic Chives Apr 12 Jun 14 – Aug 23 60–90
Horehound Apr 12 Jun 28 – Aug 23 75–90
Hyssop Apr 12 Jun 21 – Aug 23 70–90
Lavender Apr 12 Jul 12 – Nov 22 90–200
Lemon Balm Apr 12 Jun 14 – Aug 2 60–70
Lemon Thyme Apr 12 Jun 21 – Aug 23 70–90
Lovage Apr 12 Jun 21 – Aug 23 70–90
Marjoram Apr 12 Jun 14 – Aug 23 60–90
Mint Apr 12 Jun 14 – Aug 23 60–90
Oregano Apr 12 Jun 14 – Aug 23 60–90
Parsley Mar 1 Mar 22 Mar 29 May 31 – Aug 2 60–80
Rosemary Apr 12 Jul 5 – Nov 22 80–180
Rue Apr 12 Jun 21 – Aug 23 70–90
Sage Apr 12 Jun 28 – Aug 23 75–90
Savory Apr 12 Jun 7 – Aug 2 50–70
Sorrel Mar 1 Mar 22 Mar 29 May 10 – Jul 12 40–60
Tarragon Apr 12 Jun 14 – Aug 23 60–90
Thai Basil Feb 15 Apr 12 Apr 19 Jun 14 – Aug 16 50–75
Thyme Apr 12 Jun 21 – Aug 23 70–90
Valerian Apr 12 Aug 16 – Nov 22 120–180
Yarrow Apr 12 Jul 12 – Sep 27 90–120
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Monthly Planting Guide for Houston County

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Houston County, TN?

Houston County is in USDA Hardiness Zone 7b. 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 Houston County, TN?

Based on 31 years of NOAA weather station data, the median last spring frost in Houston County falls around April 5. In 8 out of 10 years, last frost lands between March 19 and April 18 — a 30-day window of variability. Use April 18 as your conservative safe-to-plant date for frost-sensitive crops.

When is the first fall frost in Houston County, TN?

The median first fall frost in Houston County arrives around October 30. 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 Houston County?

Houston County has a frost-free growing season of approximately 208 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 shorter by about 0.8 days per decade.

What is the soil like in Houston County for gardening?

Houston County has predominantly Silt Loam soil with a pH range of 5.4–6.5 and Moderately Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.

What is grown commercially in Houston County?

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

Is Houston County a good location for home gardening?

Houston County scores 69/100 (Good) 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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Your Houston County Garden Planner — Free

A 24-page printable planner built for Houston County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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

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Seed Saving & Storage Guide

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

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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.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA GHCN-D daily station data (1994–2024) from 3 weather stations in or near Houston County (31 years of records). Frost dates represent 50% probability averages; local conditions vary by elevation and microclimate. Last updated: May 2026.

Sources & credits

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