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When to Plant Fava Beans in Laclede County, MO

Fava beans are a cool-season legume with large, meaty beans inside thick pods. They fix nitrogen in the soil and are one of the oldest cultivated crops.

Laclede County, Missouri is in USDA Zone 6a. The average last spring frost is April 11 and the first fall frost is October 22, giving you a growing season of approximately 194 days.

At an elevation of 772 feet, Laclede County receives approximately 33.3 inches of rainfall annually with predominantly silt loam soil. Summer highs average 87ยฐF, providing good warmth for Fava Beans during the growing season.

Laclede County, MO (Zone 6a) Moderate season
194 days
Last Spring Frost April 11
194 growing days
First Fall Frost October 22

Laclede County Soil Profile

Soil Type

Silt Loam

Soil pH

5.6-6.9

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (75 days to spare)
Start indoors: Mar 1 Transplant: Apr 5 🍅 Harvest: Jun 21 – Aug 2
Recommended (50%) ✓ Fits season (75 days to spare)
Start indoors: Mar 7 Transplant: Apr 11 🍅 Harvest: Jun 27 – Aug 8
Safe Start (90%) ✓ Fits season (75 days to spare)
Start indoors: Mar 21 Transplant: Apr 25 🍅 Harvest: Jul 11 – Aug 22

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Laclede County

How your county's soil matches Fava Beans's growing requirements.

Soil pH

Your soil pH (5.6โ€“6.9) overlaps with Fava Beans's range (6.0โ€“7.0), though not a perfect match.

Soil Texture

The silt loam soil in Laclede County is excellent for Fava Beans โ€” good drainage, moisture retention, and nutrient holding capacity.

Organic Matter

Organic matter is moderate (3.0%). Annual compost additions will help Fava Beans.

How to Plant Fava Beans

1"
Planting Depth
15"
Between Plants
24"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Fava Beans

2
successive plantings in your 194-day season

Sow every 8.6 weeks. Last sowing by Jul 14 to harvest before frost.

For a dedicated fall crop, sow by Aug 13.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
0.7″/week
You supply
0.3″/week
Watering frequency 1-2 times/week
Season total 578 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Fava Beans needs ~1,334 GDD — county provides 2,958 GDD Excellent fit

Fava Beans Planting Timeline โ€” Laclede County, MO

Fava Beans Planting Calendar

Activity When Date Range
Start Indoors March 7 Mar 7 โ€“ Mar 21
Transplant Outdoors April 11 Apr 11 โ€“ Apr 25
Direct Sow March 28 Mar 28 โ€“ Apr 18
Fall Sowing August 13 Aug 13 โ€“ Aug 27
Harvest June 27 Jun 27 โ€“ Aug 8

Plant 1" deep ยท 15" apart ยท Rows 24" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Start Indoors Direct Sow
April Transplant Outdoors Direct Sow
May โ€”
June Harvest
July Harvest
August Fall Sowing Harvest
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

1"/week ยท 1-2 times/week

๐Ÿ“… Days to Maturity

75โ€“100 days

๐Ÿงช Soil pH

Needs 6โ€“7 ยท Your soil: acceptable

๐Ÿ—บ๏ธ USDA Zone

Zone 6a

๐Ÿ“† Growing Season

194 days in Laclede County

Growing Tips for Fava Beans in Laclede County

Direct sow Fava Beans outdoors after April 11 in Laclede County when soil has warmed and frost danger has passed.

Common pests for Fava Beans in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow as early as soil can be worked in spring. Pinch growing tips when pods begin to form to redirect energy and reduce aphid problems. Stake tall varieties.

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

Frequently Asked Questions

When should I plant Fava Beans in Laclede County, MO?

Laclede County is in Zone 6a with an average last frost of April 11. Plan your Fava Beans planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Laclede County, MO?

Laclede County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 11 and first fall frost is October 22.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Laclede County gardeners in Zone 6a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Laclede County, MO. Local conditions may vary. Last updated: April 2026.