Marion County, AR — Planting Guide
Marion County is in USDA Zone 6b. The average last spring frost is April 5 and the first fall frost is October 27, giving you a growing season of approximately 205 days.
At an elevation of 546 ft, Marion County receives approximately 47.9 in of rainfall annually. Summer highs average 88°F with winter lows around 23°F. The predominant soil type is Silt Loam.
Based on 31 years of NOAA climate station data, the last frost date here varies by 33 days year to year — ranging from March 18 in warm years to April 21 in cold years. The growing season is trending shorter by about 1.65 days per decade. Marion County scores 61/100 (Good) on the Microclimate Index.
🌡️ Zone
6b (-5°F to 0°F min)
❄️ Last Frost
April 5
🍂 First Frost
October 27
📅 Growing Season
205 days
⛰️ Elevation
546 ft
🌧️ Annual Rainfall
47.9 in
Monthly Watering Calendar
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 4.1 in | 8 days | — | None |
| Feb | 3.8 in | 9 days | — | None |
| Mar | 4.4 in | 8 days | — | Low |
| Apr | 4.2 in | 8 days | 0.1 in | Low |
| May | 3.4 in | 8 days | 0.9 in | Moderate |
| Jun | 4.1 in | 10 days | 0.2 in | Low |
| Jul | 4.7 in | 13 days | — | Low |
| Aug | 4.8 in | 11 days | — | Low |
| Sep | 3.3 in | 9 days | 1 in | Moderate |
| Oct | 3.4 in | 6 days | 0.9 in | Moderate |
| Nov | 3.5 in | 6 days | — | None |
| Dec | 4.2 in | 9 days | — | None |
Annual total: 47.9 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.
Marion County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-6.5
Drainage
Well Drained
Frost Risk Probability
Based on 31 years of NOAA weather station data from 3 stations
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 21 | Nov 13 | 206 days |
| Cautious | Apr 14 | Nov 2 | 202 days |
| Average year | Apr 5 | Oct 27 | 205 days |
| Optimistic | Mar 28 | Oct 20 | 206 days |
| Aggressive (risky) | Mar 18 | Oct 14 | 210 days |
Not very — frost dates can vary by ±33 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Yes — growing seasons are getting shorter here (about 1.7 days per decade). Use the "Conservative" dates and choose fast-maturing varieties.
Gardening Difficulty Score
Marion County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Marion 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 Marion County's climate and soil.
County Extension Office
Marion 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.
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.
Services Available in Marion County
Finding local nurseries & garden centers in Marion County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Marion 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 Marion County AR" or "garden center Marion 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 Marion County AR" or check your extension office and local parks department. Facebook groups like "Marion 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.
Show 6 more succession options
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
8.5 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.
Onion tip: Day-neutral onion varieties like Candy, Cabernet, and Sierra Blanca perform best in your day-length range.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 9.8 hr | 4.9 hr | Short day |
| February | 10.7 hr | 5.4 hr | Short day |
| March | 11.7 hr | 6.4 hr | Short day |
| April | 12.9 hr | 8 hr | Neutral |
| May | 13.9 hr | 8.5 hr | Neutral |
| June | 14.5 hr | 8 hr | Long day |
| July | 14.2 hr | 8.1 hr | Long day |
| August | 13.4 hr | 7.7 hr | Neutral |
| September | 12.2 hr | 6.8 hr | Neutral |
| October | 11 hr | 6.7 hr | Short day |
| November | 10 hr | 5.4 hr | Short day |
| December | 9.5 hr | 4.5 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
Jun
Microbial activity peaks when soil is warm.
Active Composting
7 months
Solid season. Piles go dormant in winter.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 32°F | 38°F | ❄️ Dormant | ~36 weeks |
| Feb | 32°F | 39°F | ❄️ Dormant | ~36 weeks |
| Mar | 39°F | 42°F | ❄️ Dormant | ~36 weeks |
| Apr | 54°F | 53°F | ♻️ Active | ~14 weeks |
| May | 62°F | 60°F | ♻️ Active | ~14 weeks |
| Jun | 73°F | 69°F | 🔥 Peak | ~8 weeks |
| Jul | 81°F | 77°F | 🔥 Peak | ~8 weeks |
| Aug | 83°F | 79°F | 🔥 Peak | ~8 weeks |
| Sep | 75°F | 76°F | 🔥 Peak | ~8 weeks |
| Oct | 65°F | 65°F | ♻️ Active | ~14 weeks |
| Nov | 49°F | 54°F | 🐢 Slow | ~24 weeks |
| Dec | 39°F | 47°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 Marion County
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Moderate — watch for mildew and blight during wet periods.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak 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 | Moderate | 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 Marion County
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with county-specific planting dates.
Spring Cover Crops (3 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Apr 14 | Aug 18 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Sorghum-sudan grass | Apr 10 | Sep 1 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Mar 8 | 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 22 | 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 | Sep 3 | Mar 15 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Sep 2 | Mar 22 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Sep 9 | Mar 15 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Aug 21 | Mar 15 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Sep 21 | Mar 22 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jul 25 | Mar 15 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Aug 3 | 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: 10 mph
Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
2.8/10
Low need — wind is not a major factor in your garden planning.
Frost Pocket Risk
Low
Relatively flat terrain (171 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
23,873 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, Apr, 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 47.9 inches of rain per year
- A 1,000 sq ft roof can collect roughly 23,873 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 Marion County
Soil Type
Silt Loam
Soil pH 5.5–6.5 · Somewhat Poorly Drained drainage
Good candidate for raised beds to maximise drainage and extend the season.
Watering Needs
Drought stress: 1.5/10
Marion County has very low drought pressure. Natural rainfall usually meets garden needs — water only during extended dry spells.
Season Tips
205-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.
Free Garden Planner
Plan your entire garden season — organize planting dates, track what you're growing, and know exactly when to start seeds, transplant, and harvest.
Recommended for Your Garden
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
Get instant, accurate soil pH readings to fine-tune your amendments.
Boost soil fertility and structure with rich, well-aged organic compost.
🥬 Vegetables to Grow in Marion County
108 vegetables that grow well in Zone 6b with planting dates for Marion County.
Show all 108 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Acorn Squash | Mar 1 | Apr 12 | Apr 19 | Jul 12 – Aug 16 | 80–100 |
| Amaranth | Feb 8 | Apr 12 | Apr 19 | Jul 19 – Sep 6 | 90–120 |
| 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 8 | 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 1 | 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 8 | Apr 12 | Apr 19 | Jul 12 – Sep 6 | 80–120 |
| 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 |
| 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 8 | 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 1 | Apr 12 | Apr 19 | Jun 7 – Jul 5 | 45–60 |
| Crosne | — | Mar 22 | — | Aug 23 – Oct 4 | 150–200 |
| Cucumber | Mar 1 | Apr 12 | Apr 19 | Jun 14 – Aug 9 | 50–70 |
| Daikon | — | Mar 22 | — | May 17 – Jun 14 | 50–70 |
| Delicata Squash | Mar 1 | Apr 12 | Apr 19 | Jul 12 – Aug 16 | 80–100 |
| Edamame | — | Apr 12 | — | Jun 28 – Aug 9 | 75–100 |
| Eggplant | Jan 25 | 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 8 | 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 | Jan 25 | Apr 12 | Apr 19 | Jun 28 – Oct 4 | 70–120 |
| Hubbard Squash | Mar 1 | Apr 12 | Apr 19 | Aug 2 – Sep 6 | 100–120 |
| Kabocha | Mar 1 | 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 8 | Apr 12 | Apr 19 | Aug 2 – Oct 4 | 100–150 |
| Luffa | Feb 8 | Apr 12 | Apr 19 | Jul 19 – Oct 4 | 90–150 |
| Mache | Mar 1 | Mar 22 | Apr 5 | May 17 – Jun 21 | 40–60 |
| Melon | Mar 1 | 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 8 | Apr 12 | Apr 19 | Jun 14 – Jul 12 | 55–70 |
| Okra | Feb 8 | 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 1 | Apr 12 | Apr 19 | Jun 7 – Jul 5 | 45–60 |
| Peas | Mar 1 | Mar 22 | Apr 5 | May 31 – Jul 26 | 55–70 |
| Peppers | Jan 25 | Apr 12 | Apr 19 | Jun 21 – Aug 30 | 60–90 |
| Pole Beans | Feb 8 | Apr 12 | Apr 19 | Jun 14 – Aug 9 | 55–70 |
| Potatoes | Feb 8 | Apr 12 | Apr 19 | Jun 28 – Sep 6 | 70–120 |
| Pumpkin | Mar 1 | 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 8 | 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 8 | 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 1 | 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 1 | Apr 12 | Apr 19 | Jun 7 – Aug 9 | 45–65 |
| Squash (Winter) | Mar 1 | Apr 12 | Apr 19 | Jul 12 – Sep 6 | 80–120 |
| Sunchoke | — | — | Apr 19 | Aug 9 – Oct 4 | 110–150 |
| Sunflower | Feb 8 | Apr 12 | Apr 19 | Jun 28 – Aug 16 | 70–100 |
| Sweet Corn | — | Apr 12 | — | Jun 14 – Jul 26 | 60–90 |
| Sweet Potatoes | Feb 8 | 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 8 | Apr 12 | Apr 19 | Jun 21 – Aug 30 | 60–85 |
| Tomatoes | Feb 8 | 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 1 | Apr 12 | Apr 19 | Jun 28 – Aug 16 | 70–100 |
| Wax Beans | — | Apr 12 | — | Jun 7 – Aug 2 | 50–65 |
| Winter Melon | Feb 8 | Apr 12 | Apr 19 | Jul 19 – Sep 6 | 90–120 |
| Yard Long Beans | Feb 8 | Apr 12 | Apr 19 | Jun 14 – Jul 26 | 55–80 |
| Zucchini | Mar 1 | Apr 12 | Apr 19 | Jun 7 – Aug 2 | 45–60 |
🍓 Fruits to Grow in Marion County
27 fruits that grow well in Zone 6b with planting dates for Marion County.
Show all 27 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 |
| 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 |
| Lingonberries | — | — | Apr 26 | — | 730–1095 |
| Medlar | — | — | Apr 26 | — | 1095–1825 |
| Mulberries | — | — | Apr 26 | — | 730–1825 |
| Pawpaw | — | — | Apr 26 | — | 1095–2555 |
| Persimmon | — | — | Apr 26 | — | 1095–2555 |
| Quince | — | — | Apr 26 | — | 1095–1825 |
| Raspberries | — | — | Apr 26 | — | 365–730 |
| Serviceberries | — | — | Apr 26 | — | 730–1095 |
| Strawberries | — | — | Apr 26 | Jul 26 – Nov 8 | 90–365 |
🌿 Herbs to Grow in Marion County
38 herbs that grow well in Zone 6b with planting dates for Marion County.
Show all 38 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 – Oct 25 | 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 – Oct 25 | 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 |
| 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 – Oct 25 | 120–180 |
| Yarrow | — | — | Apr 12 | Jul 12 – Sep 27 | 90–120 |
Monthly Planting Guide for Marion County
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Marion County.
Frequently Asked Questions
What planting zone is Marion County, AR?
Marion County is in USDA Hardiness Zone 6b. 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 Marion County, AR?
Based on 31 years of NOAA weather station data, the median last spring frost in Marion County falls around April 5. In 8 out of 10 years, last frost lands between March 18 and April 21 — a 33-day window of variability. Use April 21 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Marion County, AR?
The median first fall frost in Marion County arrives around October 27. In cold years it can arrive as early as October 14; 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 Marion County?
Marion County has a frost-free growing season of approximately 205 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 1.65 days per decade.
What is the soil like in Marion County for gardening?
Marion County has predominantly Silt Loam soil with a pH range of 5.5–6.5 and Somewhat Poorly Drained drainage. Most vegetables and herbs grow well with standard composting and seasonal soil amendment.
What is grown commercially in Marion County?
Marion County has commercial agriculture that includes Rice, Poultry, Soybeans, Hay. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Marion County a good location for home gardening?
Marion County scores 61/100 (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.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Marion County gardeners in Zone 6b organize planting dates, track what's growing, and never miss a planting window.
Get Your Free Garden Planner →Free download. Plan your entire garden season in minutes.
