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Howard County, AR — Planting Guide

Howard County, Arkansas Zone 8a June

June to-do list for Howard County, Arkansas

A quick June briefing for Howard County, Arkansas gardeners — what's urgent, what's next, and what can wait.

Avg. last frost March 31
Avg. first frost November 3
Soil temp (4") 77°F
Watering Low
Pest pressure High
Daylight 14.3 hrs
  1. Begin indoor sowing: peppers, begonias, and eggplant

    These need a head start before your last frost (March 31). Sow into cells now so you're ready to transplant in a few weeks.

  2. Pick basil, carrots, and cucumber

    Check every 1–2 days. Many of these get tough or go to seed if you wait too long.

Before July arrives, get these ready
  • First harvests: basil, cucumber, and green beans

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Howard County is in USDA Zone 8a. The average last spring frost is March 31 and the first fall frost is November 3, giving you a growing season of approximately 217 days.

At an elevation of 537 ft, Howard County receives approximately 50.7 in of rainfall annually. Summer highs average 88°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 39 days year to year — ranging from March 7 in warm years to April 16 in cold years. Howard County scores 71/100 (Good) on the Microclimate Index.

🌡️ Zone

8a (10°F to 15°F min)

❄️ Last Frost

March 31

🍂 First Frost

November 3

📅 Growing Season

217 days

⛰️ Elevation

537 ft

🌧️ Annual Rainfall

50.7 in

Howard County, AR Long season
217 days
Last Spring Frost March 31
217 growing days
First Fall Frost November 3

Monthly Watering Calendar for Howard County

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

Why it matters: Mulch reduces watering needs 30-50% by cutting evaporation. Howard County's 51" annual rainfall might be enough for vegetables in some months and not in others — a 2-3" mulch layer evens the swing.

1"/wk 0" 1.5" 3.1" 4.6" 6.1" Jan 4.4" Feb 3.7" Mar 5.1" +0.7" Apr 3.6" May 3.9" Jun 4.5" Jul 6.1" Aug 5.2" +0.7" Sep 3.6" +1.2" Oct 3.1" Nov 3.7" Dec 4"
Rainfall sufficient Supplemental water needed Heavy watering required - - - 1"/week garden need
View detailed monthly data
MonthAvg RainfallRainy DaysExtra Water NeededWatering Effort
Jan 4.4 in 11 days None
Feb 3.7 in 9 days None
Mar 5.1 in 9 days Low
Apr 3.6 in 8 days 0.7 in Moderate
May 3.9 in 8 days 0.4 in Low
Jun 4.5 in 12 days Low
Jul 6.1 in 11 days Low
Aug 5.2 in 10 days Low
Sep 3.6 in 7 days 0.7 in Moderate
Oct 3.1 in 6 days 1.2 in Moderate
Nov 3.7 in 8 days None
Dec 4 in 10 days None

Annual total: 50.9 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.

Howard County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7.1

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 Mar 31 → Nov 3 217 frost-free days Protect crops frost returns Mar Apr May Jun Jul Aug Sep Oct Nov Dec Safe: Apr 16 Protect by: Nov 23

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 16 Nov 23 221 days
Cautious Apr 8 Nov 13 219 days
Average year Mar 31 Nov 3 217 days
Optimistic Mar 20 Oct 28 222 days
Aggressive (risky) Mar 7 Oct 18 225 days
📊
How predictable are frost dates here?

Not very — frost dates can vary by ±39 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.

Gardening Difficulty Score

71 Good
Frost Timing Risk
10.0/10
Drought Risk
3.5/10
Soil Difficulty
1.0/10
Altitude Challenge
0.0/10
Climate Shift
0.4/10
Rainfall Challenge
2.3/10

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

Zone 8a Frost Countdown
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Loading...
Last Frost: Mar 31 First Frost: Nov 3

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

County Extension Office

Howard County University of Arkansas Division of Agriculture Extension Extension Office

Phone: 501-671-2000

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 AR →

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 Howard County

Soil testing Pest identification Gardening workshops
Finding local nurseries & garden centers in Howard County

Why Buy Local

Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Howard 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 Howard County AR" or "garden center Howard 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 Howard County AR" or check your extension office and local parks department. Facebook groups like "Howard County Gardeners" or "Arkansas 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 Green Beans (harvest ends Jul 21) 105 days until frost
After Eggplant (harvest ends Aug 25) 70 days until frost
After Watermelon (harvest ends Aug 11) 84 days until frost
After Cauliflower (harvest ends Jul 28) 98 days until frost
Show 6 more succession options
After Broccoli (harvest ends Jul 14) 112 days until frost
After Chard (harvest ends Jul 14) 112 days until frost
After Spinach (harvest ends Jul 7) 119 days until frost
After Lettuce (harvest ends Jul 14) 112 days until frost
After Potatoes (harvest ends Sep 1) 63 days until frost
After Tomatoes (harvest ends Aug 25) 70 days until frost

Sunlight & Day Length in Howard County

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

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

Longest Day

14.3 hours

Summer solstice daylight

Shortest Day

9.7 hours

Winter solstice daylight

Peak Sun Hours

8.5 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 10 hr 5 hr Short day
February 10.8 hr 5.8 hr Short day
March 11.7 hr 6.1 hr Short day
April 12.9 hr 7.9 hr Neutral
May 13.8 hr 8.5 hr Neutral
June 14.3 hr 8.1 hr Long day
July 14.1 hr 7.4 hr Long day
August 13.3 hr 7.5 hr Neutral
September 12.2 hr 6.8 hr Neutral
October 11.1 hr 6.7 hr Short day
November 10.2 hr 5.5 hr Short day
December 9.7 hr 4.8 hr Short day

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

Soil Temperature & Composting in Howard County

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

For new gardeners: Soil heats slower than air in spring and cools slower in fall. That's why "warm" April air doesn't mean "plant tomatoes" — soil still trails by weeks. Howard County's monthly soil curve makes the lag visible.

Plant Warm Crops When

Soil reaches 60°F+

Soil warm enough from May through Oct.

Best Month to Compost

May

Microbial activity peaks when soil is warm.

Active Composting

8 months

Nearly year-round composting.

60°F 70°F 20° 40° 60° 80° 100° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
4" depth 8" depth - - - 60°F (corn, beans) - - - 70°F (tomatoes, peppers)
View detailed monthly data
MonthSoil 4" DeepSoil 8" DeepCompost ActivityTime to Finish
Jan 38°F 47°F ❄️ Dormant ~36 weeks
Feb 37°F 45°F ❄️ Dormant ~36 weeks
Mar 46°F 49°F 🐢 Slow ~24 weeks
Apr 56°F 58°F ♻️ Active ~14 weeks
May 67°F 65°F 🔥 Peak ~8 weeks
Jun 77°F 75°F 🔥 Peak ~8 weeks
Jul 87°F 80°F 🔥 Peak ~8 weeks
Aug 87°F 83°F 🔥 Peak ~8 weeks
Sep 80°F 79°F 🔥 Peak ~8 weeks
Oct 68°F 72°F 🔥 Peak ~8 weeks
Nov 55°F 63°F ♻️ Active ~14 weeks
Dec 43°F 53°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 Howard County

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

The practical takeaway: 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

6.6 / 10

Moderate — common pests appear but manageable with monitoring.

Disease Risk

7.9 / 10

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

Seasonal Risk

Spring Moderate
Summer High
Fall Low
Winter Low
View 6 common pests in your area
PestRisk LevelPeak Months
Aphids Moderate Mar, Apr, May, Jun, Jul, Aug, Sep, Oct
Japanese beetles Moderate Jun, Jul, Aug
Squash vine borers Moderate May, Jun, Jul
Stink bugs Moderate May, Jun, Jul, Aug, Sep
Whiteflies Low Jun, Jul, Aug, Sep
Spider mites Moderate Jul, Aug
Organic pest management tips
  • Install physical barriers: floating row covers, copper tape for slugs, mesh netting
  • Apply Bt (Bacillus thuringiensis) for caterpillar control — safe for beneficial insects
  • Use kaolin clay spray to deter a wide range of insects on fruiting crops
  • Release beneficial insects: ladybugs for aphids, parasitic wasps for caterpillars
  • Apply neem oil weekly during high-pressure months
  • Mulch heavily (3-4 inches) to reduce soil-borne disease splash

Cover Crops for Howard County

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

Quick context: A fall-planted cover crop in Howard County is the closest thing to free soil amendment. Plant cereal rye or hairy vetch after harvest; chop it down before it flowers in spring; the soil it leaves behind out-grows any store-bought compost.

Spring Cover Crops (4 options) — Build soil before the main growing season
Crop Plant By Terminate N-Fixing Soil Benefit
Buckwheat Apr 8 Sep 8 Rapid growth, attracts pollinators, suppresses weeds
Cowpeas (southern peas) Apr 7 Sep 1 ✓ Yes Excellent nitrogen fixer for warm climates, edible
Sorghum-sudan grass Apr 4 Sep 8 Massive biomass, breaks compaction, suppresses nematodes
White clover Feb 28 Sep 1 ✓ 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 12 Oct 13 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 27 Mar 17 ✓ Yes Fixes nitrogen, good for heavy clay soils
Crimson clover Sep 8 Mar 17 ✓ Yes Fixes nitrogen, attracts pollinators in spring
Daikon radish Sep 25 Mar 17 Deep taproot breaks compaction, excellent for clay soils
Hairy vetch Aug 11 Mar 10 ✓ Yes Excellent nitrogen fixer, good for depleted soils
Oats Sep 20 Mar 17 Quick biomass, winterkills in cold zones — no spring tillage needed
Winter rye Jul 25 Mar 17 Suppresses weeds, prevents erosion, breaks up compacted soil
Winter wheat Aug 13 Mar 17 Erosion control, weed suppression, good biomass

Wind & Microclimate in Howard County

What this means for you: Light wind is good (strengthens stems, aids pollination); strong wind is bad (snaps stems, dries leaves, scatters seeds). Howard County averages 7.8 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: 9 mph   Summer: 8 mph

Fall: 7 mph   Winter: 10 mph

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

Windbreak Benefit

2.9/10

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

Frost Pocket Risk

Low

Relatively flat terrain (293 ft range). Frost pocket risk is minimal — garden placement is flexible.

Rainwater Harvesting in Howard County

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

For new gardeners: Rainwater is unchlorinated, unfluoridated, and at ambient temperature — plants actually prefer it. Howard County's 51" annual rainfall means even a small 50-gallon barrel catches enough for a few weeks of garden watering between storms.

Annual Collection

25,368 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 250 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 50.9 inches of rain per year
  • A 1,000 sq ft roof can collect roughly 25,368 gallons annually
  • Rainwater harvesting is fully legal in your state
  • Your area gets ample rainfall — even small barrels make a big difference
  • Consider a rain garden to handle overflow during heavy rainfall months

Soil & Growing Conditions in Howard County

Soil Type

Silt Loam

Soil pH 5.5–7.1 · 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. (50.7 in. annual rainfall)

Season Tips

217-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.

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.

📏
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 Howard County

114 vegetables that grow well in Zone 8a with planting dates for Howard County.

Show all 114 vegetables with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Acorn Squash Mar 3 Apr 7 Apr 14 Jul 7 – Aug 11 80–100
Amaranth Feb 10 Apr 7 Apr 14 Jul 14 – Sep 1 90–120
Artichoke Apr 14 Aug 18 – Oct 27 120–180
Arugula Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jul 7 30–50
Asparagus Apr 14 730–1095
Beets Mar 17 Aug 25 May 12 – Jun 9 50–70
Belgian Endive Feb 24 Mar 17 Mar 31 Aug 25 Jul 21 – Sep 15 110–150
Bitter Melon Feb 10 Apr 7 Apr 14 Jun 16 – Jul 28 60–90
Black Beans Apr 7 Jul 7 – Aug 25 90–120
Bok Choy Feb 24 Mar 17 Mar 31 Aug 25 May 12 – Jun 16 40–60
Broccoli Feb 24 Mar 17 Mar 31 Aug 25 Jun 2 – Jul 14 60–90
Broccoli Rabe Feb 24 Mar 17 Mar 31 Aug 25 May 12 – Jun 16 40–60
Brussels Sprouts Feb 24 Mar 17 Mar 31 Aug 25 Jun 30 – Aug 25 90–130
Butternut Squash Mar 3 Apr 7 Apr 14 Jul 14 – Aug 18 85–110
Cabbage Feb 24 Mar 17 Mar 31 Aug 25 Jun 2 – Jul 28 60–100
Calabash Feb 10 Apr 7 Apr 14 Jul 7 – Sep 1 80–120
Cardoon Apr 14 Aug 18 – Sep 29 120–150
Carrots Mar 17 Aug 25 May 19 – Jun 23 60–80
Cauliflower Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jul 28 55–100
Celeriac Feb 24 Mar 17 Mar 31 Aug 25 Jul 14 – Aug 18 100–120
Celery Feb 24 Mar 17 Mar 31 Aug 25 Jun 23 – Aug 18 80–120
Celtuce Feb 24 Mar 17 Mar 31 Aug 25 Jun 2 – Jul 14 60–90
Chard Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jul 14 50–60
Chayote Feb 10 Apr 7 Apr 14 Aug 18 – Oct 27 120–180
Chickpeas Feb 24 Mar 17 Mar 31 Aug 25 Jun 23 – Aug 4 80–110
Chicory Feb 24 Mar 17 Mar 31 Aug 25 Jun 2 – Jul 14 60–85
Chinese Cabbage Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jun 23 50–70
Christmas Lima Beans Feb 10 Apr 7 Apr 14 Jul 7 – Aug 11 80–100
Collard Greens Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jul 28 55–75
Corn Apr 7 Jun 9 – Aug 4 60–100
Cowpeas Apr 7 Jun 9 – Jul 21 60–90
Cress Feb 24 Mar 17 Mar 31 Aug 25 Apr 14 – May 5 14–21
Crookneck Squash Mar 3 Apr 7 Apr 14 Jun 2 – Jun 30 45–60
Crosne Mar 17 Aug 25 Aug 18 – Oct 20 150–200
Cucumber Mar 3 Apr 7 Apr 14 Jun 9 – Aug 4 50–70
Daikon Mar 17 Aug 25 May 12 – Jun 9 50–70
Delicata Squash Mar 3 Apr 7 Apr 14 Jul 7 – Aug 11 80–100
Edamame Apr 7 Jun 23 – Aug 4 75–100
Eggplant Jan 27 Apr 7 Apr 14 Jun 23 – Aug 25 65–85
Endive Feb 24 Mar 17 Mar 31 Aug 25 May 19 – Jun 23 45–65
Escarole Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jun 23 50–70
Fava Beans Feb 24 Mar 17 Mar 31 Aug 25 Jun 16 – Jul 28 75–100
Fennel Feb 10 Apr 7 Apr 14 Jun 16 – Jul 28 60–90
Garlic Sep 22 Dec 22 – Jun 8 90–240
Ginger Feb 10 Apr 7 Apr 14 Dec 15 – Dec 29 240–300
Green Beans Apr 7 Jun 2 – Jul 28 50–65
Horseradish Apr 14 Aug 18 – Oct 27 120–180
Hot Peppers Jan 27 Apr 7 Apr 14 Jun 23 – Sep 29 70–120
Hubbard Squash Mar 3 Apr 7 Apr 14 Jul 28 – Sep 1 100–120
Jicama Feb 10 Apr 7 Apr 14 Aug 18 – Oct 27 120–180
Kabocha Mar 3 Apr 7 Apr 14 Jul 14 – Aug 11 85–100
Kai Lan Feb 24 Mar 17 Mar 31 Aug 25 May 19 – Jun 16 45–60
Kale Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jul 21 50–70
Kidney Beans Apr 7 Jul 7 – Aug 11 85–110
Kohlrabi Feb 24 Mar 17 Mar 31 Aug 25 May 19 – Jun 23 45–65
Komatsuna Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jun 9 35–50
Leeks Feb 24 Mar 17 Mar 31 Aug 25 Jun 30 – Sep 15 90–150
Lentils Feb 24 Mar 17 Mar 31 Aug 25 Jun 23 – Aug 4 80–110
Lettuce Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jul 14 30–60
Lima Beans Apr 7 Jun 9 – Jul 21 60–90
Loofah Feb 10 Apr 7 Apr 14 Jul 28 – Sep 29 100–150
Luffa Feb 10 Apr 7 Apr 14 Jul 14 – Sep 29 90–150
Mache Feb 24 Mar 17 Mar 31 Aug 25 May 12 – Jun 16 40–60
Malabar Spinach Feb 10 Apr 7 Apr 14 Jun 9 – Jul 7 55–70
Melon Mar 3 Apr 7 Apr 14 Jun 23 – Aug 11 70–100
Microgreens Feb 24 Mar 17 Mar 31 Aug 25 Apr 7 – May 5 7–21
Mitsuba Feb 24 Mar 17 Mar 24 Aug 25 May 19 – Jul 14 50–70
Mizuna Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jun 2 30–45
Mustard Greens Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jul 7 30–50
Napa Cabbage Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jun 30 55–75
New Zealand Spinach Feb 10 Apr 7 Apr 14 Jun 9 – Jul 7 55–70
Okra Feb 10 Apr 7 Apr 14 Jun 9 – Aug 4 50–65
Onion Feb 24 Mar 17 Mar 31 Aug 25 Jun 30 – Aug 18 90–120
Pac Choi Feb 24 Mar 17 Mar 31 Aug 25 May 12 – Jun 9 40–55
Parsnip Mar 17 Aug 25 Jun 30 – Aug 11 100–130
Patty Pan Squash Mar 3 Apr 7 Apr 14 Jun 2 – Jun 30 45–60
Peas Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jul 21 55–70
Peppers Jan 27 Apr 7 Apr 14 Jun 16 – Aug 25 60–90
Pole Beans Feb 10 Apr 7 Apr 14 Jun 9 – Aug 4 55–70
Potatoes Feb 10 Apr 7 Apr 14 Jun 23 – Sep 1 70–120
Pumpkin Mar 3 Apr 7 Apr 14 Jul 14 – Sep 1 85–120
Purslane Feb 24 Mar 17 Mar 31 Aug 25 May 12 – Jun 16 40–60
Radicchio Feb 24 Mar 17 Mar 31 Aug 25 Jun 2 – Jul 7 60–80
Radish Mar 17 Aug 25 Apr 14 – May 5 22–35
Rhubarb Apr 21 365–730
Romanesco Feb 24 Mar 17 Mar 31 Aug 25 Jun 16 – Jul 28 75–100
Rutabaga Mar 17 Aug 25 Jun 9 – Jul 14 80–100
Salsify Mar 17 Aug 25 Jun 30 – Aug 11 100–130
Savoy Cabbage Feb 24 Mar 17 Mar 31 Aug 25 Jun 9 – Aug 4 70–110
Scallions Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jun 23 50–70
Scarlet Runner Beans Feb 10 Apr 7 Apr 14 Jun 16 – Jul 21 60–80
Shallot Feb 24 Mar 17 Mar 31 Aug 25 Jun 30 – Aug 18 90–120
Shiso Feb 10 Apr 7 Apr 14 Jun 9 – Aug 4 50–70
Snap Peas Feb 10 Apr 7 Apr 14 Jun 9 – Aug 4 55–70
Snow Peas Feb 24 Mar 17 Mar 31 Aug 25 May 26 – Jul 21 50–65
Soybeans Apr 7 Jun 30 – Aug 25 80–120
Spaghetti Squash Mar 3 Apr 7 Apr 14 Jul 14 – Aug 11 85–100
Spinach Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jul 7 35–50
Squash (Summer) Mar 3 Apr 7 Apr 14 Jun 2 – Aug 4 45–65
Squash (Winter) Mar 3 Apr 7 Apr 14 Jul 7 – Sep 1 80–120
Sunchoke Apr 14 Aug 4 – Sep 29 110–150
Sweet Corn Apr 7 Jun 9 – Jul 21 60–90
Sweet Potatoes Feb 10 Apr 7 Apr 14 Jul 14 – Sep 1 90–120
Tatsoi Feb 24 Mar 17 Mar 31 Aug 25 May 5 – Jun 9 35–50
Tomatillo Feb 10 Apr 7 Apr 14 Jun 16 – Aug 25 60–85
Tomatoes Feb 10 Apr 7 Apr 14 Jun 16 – Aug 25 60–85
Turmeric Feb 10 Apr 7 Apr 14 Dec 15 – Dec 29 240–300
Turnip Mar 17 Aug 25 Apr 28 – Jun 2 40–60
Watercress Feb 24 Mar 17 Mar 31 Aug 25 May 12 – Jun 16 40–60
Watermelon Mar 3 Apr 7 Apr 14 Jun 23 – Aug 11 70–100
Wax Beans Apr 7 Jun 2 – Jul 28 50–65
Winter Melon Feb 10 Apr 7 Apr 14 Jul 14 – Sep 1 90–120
Yard Long Beans Feb 10 Apr 7 Apr 14 Jun 9 – Jul 21 55–80
Zucchini Mar 3 Apr 7 Apr 14 Jun 2 – Jul 28 45–60

🍓 Fruits to Grow in Howard County

27 fruits that grow well in Zone 8a with planting dates for Howard County.

Show all 27 fruits with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Alpine Strawberries Apr 21 Jul 21 – Nov 3 90–180
Aronia Apr 21 730–1095
Blackberries Apr 21 365–730
Blueberries Apr 21 730–1095
Boysenberries Apr 21 365–730
Cantaloupe Apr 21 Jun 30 – Aug 4 70–90
Che Fruit Apr 21 1095–1825
Elderberries Apr 21 730–1095
Figs Apr 21 730–1825
Goji Berries Apr 21 730–1095
Gooseberries Apr 21 730–1095
Grapes Apr 21 730–1095
Ground Cherry Apr 21 Jun 30 – Aug 25 65–80
Hardy Kiwi Apr 21 1095–1825
Honeydew Apr 21 Jul 14 – Aug 25 80–110
Jostaberry Apr 21 730–1095
Kiwi Apr 21 1095–1825
Loquat Apr 21 730–1825
Medlar Apr 21 1095–1825
Mulberries Apr 21 730–1825
Pawpaw Apr 21 1095–2555
Persimmon Apr 21 1095–2555
Pomegranate Apr 21 730–1095
Quince Apr 21 1095–1825
Raspberries Apr 21 365–730
Serviceberries Apr 21 730–1095
Strawberries Apr 21 Jul 21 – Jan 5 90–365

🌿 Herbs to Grow in Howard County

39 herbs that grow well in Zone 8a with planting dates for Howard County.

Show all 39 herbs with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Harvest Days to Maturity
Angelica Feb 24 Mar 17 Mar 24 Aug 25 365–730
Anise Feb 24 Mar 17 Mar 24 Aug 25 Jun 23 – Sep 8 90–120
Basil Feb 10 Apr 7 Apr 14 Jun 9 – Aug 11 50–75
Bee Balm Apr 7 Jul 7 – Sep 22 90–120
Borage Feb 24 Mar 17 Mar 24 Aug 25 May 19 – Jul 7 50–60
Caraway Feb 24 Mar 17 Mar 24 Aug 25 365–450
Catnip Apr 7 Jun 9 – Aug 11 60–80
Chamomile Feb 24 Mar 17 Mar 24 Aug 25 May 26 – Aug 4 60–90
Chervil Feb 24 Mar 17 Mar 24 Aug 25 May 5 – Jul 7 40–60
Chives Apr 7 Jun 9 – Aug 18 60–90
Cilantro Feb 24 Mar 17 Mar 24 Aug 25 May 5 – Jul 7 40–60
Comfrey Apr 7 Jun 9 – Aug 18 60–90
Cumin Feb 24 Mar 17 Mar 24 Aug 25 Jul 7 – Sep 8 100–120
Dill Feb 24 Mar 17 Mar 24 Aug 25 May 5 – Jul 7 40–60
Epazote Feb 10 Apr 7 Apr 14 Jun 2 – Jul 28 45–60
Fennel (herb) Feb 24 Mar 17 Mar 24 Aug 25 May 26 – Aug 4 60–90
Feverfew Apr 7 Jul 7 – Sep 22 90–120
Garlic Chives Apr 7 Jun 9 – Aug 18 60–90
Horehound Apr 7 Jun 23 – Aug 18 75–90
Hyssop Apr 7 Jun 16 – Aug 18 70–90
Lemon Balm Apr 7 Jun 9 – Jul 28 60–70
Lemon Thyme Apr 7 Jun 16 – Aug 18 70–90
Lemon Verbena Feb 10 Apr 7 Apr 14 Jun 16 – Aug 25 60–90
Lemongrass Feb 10 Apr 7 Apr 14 Jun 30 – Sep 29 75–120
Lovage Apr 7 Jun 16 – Aug 18 70–90
Marjoram Apr 7 Jun 9 – Aug 18 60–90
Mint Apr 7 Jun 9 – Aug 18 60–90
Oregano Apr 7 Jun 9 – Aug 18 60–90
Parsley Feb 24 Mar 17 Mar 24 Aug 25 May 26 – Jul 28 60–80
Rosemary Apr 7 Jun 30 – Nov 17 80–180
Rue Apr 7 Jun 16 – Aug 18 70–90
Sage Apr 7 Jun 23 – Aug 18 75–90
Savory Apr 7 Jun 2 – Jul 28 50–70
Sorrel Feb 24 Mar 17 Mar 24 Aug 25 May 5 – Jul 7 40–60
Stevia Feb 10 Apr 7 Apr 14 Jun 16 – Aug 25 60–90
Tarragon Apr 7 Jun 9 – Aug 18 60–90
Thai Basil Feb 10 Apr 7 Apr 14 Jun 9 – Aug 11 50–75
Thyme Apr 7 Jun 16 – Aug 18 70–90
Valerian Apr 7 Aug 11 – Nov 17 120–180

🌸 Flowers to Grow in Howard County

54 flowers that grow well in Zone 8a with planting dates for Howard County.

Show all 54 flowers with planting dates
Plant Start Indoors Direct Sow Transplant Fall Plant Bloom Days to Maturity
Ageratum Feb 17 Mar 24 Mar 24 May 19 – Oct 6 60–75
Alliums Sep 29 Oct 27 – Nov 17 28–42
Anemones Sep 8 Sep 22 – Oct 20 90–120
Astilbe Feb 3 Mar 31 Jun 9 – Jul 28 70–100
Bachelor's Button Feb 17 Mar 17 Sep 8 May 19 – Sep 1 60–90
Begonias Jan 20 Mar 24 Jun 2 – Oct 20 70–90
Black-eyed Susan Feb 3 Mar 24 Mar 31 Jun 9 – Oct 27 60–80
Bleeding Hearts Feb 3 Mar 31 May 19 – Jun 16 60–90
Calendula Feb 17 Mar 17 Aug 25 May 5 – Sep 15 50–70
California Poppy Sep 8 Nov 17 – Feb 23 60–90
Celosia Mar 3 Mar 24 Mar 24 May 26 – Oct 20 60–90
Columbine Feb 3 Mar 31 Mar 31 May 19 – Jun 16 70–100
Coreopsis Feb 3 Mar 24 Mar 31 Jun 2 – Oct 27 60–80
Cosmos Mar 3 Mar 17 Mar 17 May 26 – Oct 13 60–90
Crocus Oct 6 Sep 8 – Sep 29 10–20
Daffodils Sep 29 Sep 8 – Oct 6 20–40
Dahlias Mar 10 Mar 31 Mar 31 Jun 9 – Nov 10 70–120
Daylily Feb 3 Mar 31 Jun 9 – Oct 27 60–90
Dianthus Feb 3 Feb 17 Feb 24 Apr 14 – Jun 30 60–80
Echinacea (Purple Coneflower) Feb 3 Mar 31 Mar 31 Jun 9 – Oct 27 70–90
Foxglove Feb 3 Mar 31 Mar 31 May 19 – Jun 16 80–120
Freesia Sep 22 Oct 20 – Nov 17 84–112
Gaillardia (Blanket Flower) Feb 10 Mar 24 Mar 24 Jun 2 – Nov 17 70–100
Geraniums Jan 20 Mar 24 Jun 2 – Oct 20 70–100
Gladiolus Mar 31 Mar 31 Jun 9 – Nov 10 70–100
Hostas Jan 27 Mar 31 Jun 9 – Oct 13 60–90
Hyacinths Oct 6 Sep 29 – Oct 20 14–28
Hydrangeas Jan 27 Mar 31 Jun 9 – Oct 13 90–150
Impatiens Feb 3 Mar 31 Jun 9 – Oct 27 60–75
Irises Division Mar 31 May 19 – Jun 23 60–100
Larkspur Mar 3 Aug 25 May 12 – Aug 18 60–90
Lavender Jan 27 Apr 7 Jun 16 – Sep 22 90–120
Lilies Division Mar 31 Jun 9 – Sep 29 70–120
Lobelia Feb 3 Feb 24 Apr 21 – Jun 16 70–80
Lupine Feb 3 Mar 31 Mar 31 May 19 – Jun 16 75–100
Marigolds Feb 17 Mar 24 Mar 24 May 19 – Sep 22 50–70
Nasturtium Mar 3 Mar 24 Mar 24 May 19 – Oct 20 55–65
Pansy Jan 20 Mar 17 Aug 25 May 12 – Aug 18 70–90
Peonies Division Mar 31 May 26 – Jun 23 90–120
Petunia Feb 3 Mar 31 Jun 9 – Oct 13 70–90
Phlox Feb 3 Mar 31 Mar 31 Jun 9 – Aug 18 80–110
Portulaca Mar 3 Mar 24 Mar 24 May 12 – Oct 6 50–70
Ranunculus Sep 8 Sep 22 – Oct 27 90–120
Roses Jan 27 Mar 31 Jun 9 – Oct 27 90–180
Salvia Feb 3 Mar 24 Jun 2 – Oct 20 70–90
Sedum (Stonecrop) Feb 3 Mar 31 Jul 21 – Oct 13 60–90
Snapdragon Jan 20 Feb 24 Mar 17 Aug 25 May 26 – Sep 15 70–100
Sunflower Mar 10 Mar 24 Mar 24 Jun 16 – Oct 20 70–100
Sweet Alyssum Feb 17 Feb 24 Mar 17 Sep 8 Apr 28 – Aug 18 45–60
Sweet Pea Sep 1 Nov 10 – Feb 2 65–85
Tulips Oct 6 Sep 22 – Oct 20 15–30
Vinca (Annual) Jan 20 Mar 24 Jun 2 – Oct 20 70–90
Yarrow Feb 3 Mar 24 Mar 31 Jun 2 – Oct 27 60–90
Zinnia Mar 3 Mar 24 Mar 24 Jun 2 – Oct 20 60–70

Monthly Planting Guide for Howard County

Gardening Guides & Resources

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

Frequently Asked Questions

What planting zone is Howard County, AR?

Howard County is in USDA Hardiness Zone 8a. 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 Howard County, AR?

Based on 31 years of NOAA weather station data, the median last spring frost in Howard County falls around March 31. In 8 out of 10 years, last frost lands between March 7 and April 16 — a 39-day window of variability. Use April 16 as your conservative safe-to-plant date for frost-sensitive crops.

When is the first fall frost in Howard County, AR?

The median first fall frost in Howard County arrives around November 3. In cold years it can arrive as early as October 18; in mild years as late as November 23. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.

How long is the growing season in Howard County?

Howard County has a frost-free growing season of approximately 217 days. This long season supports multiple succession plantings and warm-season crops that need extended heat, like sweet potatoes and melons.

What is the soil like in Howard County for gardening?

Howard County has predominantly Silt Loam soil with a pH range of 5.5–7.1 and Well Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.

What is grown commercially in Howard County?

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

Is Howard County a good location for home gardening?

Howard County scores 71/100 (Good) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. This is an above-average location for home gardening with relatively predictable growing conditions.

🌱

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A 22-page printable planner built for Howard County (Zone 8a). 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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Composting Guide for Homesteaders

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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 Howard 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.