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When to Plant Arugula in Blount County, AL

Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.

Blount County, Alabama is in USDA Zone 7a. The average last spring frost is March 31 and the first fall frost is October 31, giving you a growing season of approximately 214 days.

At an elevation of 56 feet, Blount County receives approximately 54.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88ยฐF, providing good warmth for Arugula during the growing season. Clay soil retains moisture well for Arugula, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Arugula root diseases.

Blount County, AL (Zone 7a) Long season
214 days
Last Spring Frost March 31
214 growing days
First Fall Frost October 31

Blount County Soil Profile

Soil Type

Clay Loam

Soil pH

5.2-6.6

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (115 days to spare)
Start indoors: Feb 19 Transplant: Mar 26 🍅 Harvest: Apr 30 – Jul 2
Recommended (50%) ✓ Fits season (116 days to spare)
Start indoors: Feb 24 Transplant: Mar 31 🍅 Harvest: May 5 – Jul 7
Safe Start (90%) ✓ Fits season (115 days to spare)
Start indoors: Mar 15 Transplant: Apr 19 🍅 Harvest: May 24 – Jul 26

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.

Plant Water Budget

Plant needs
1.0″/week
Rainfall provides
1.1″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Arugula needs ~640 GDD — county provides 3,424 GDD Excellent fit

Arugula Planting Timeline โ€” Blount County, AL

Arugula Planting Calendar

Activity When Date Range
Start Indoors February 24 Feb 24 โ€“ Mar 10
Transplant Outdoors March 31 Mar 31 โ€“ Apr 14
Direct Sow March 17 Mar 17 โ€“ Apr 7
Fall Sowing August 22 Aug 22 โ€“ Sep 5
Harvest May 5 May 5 โ€“ Jul 7

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

30โ€“50 days

Soil pH

6 โ€“ 7

USDA Zone

Zone 7a

Growing Season

214 days

Growing Tips for Blount County

Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.

Companion Planting

Good Companions

Avoid Planting Near

  • Strawberries

Level Up Your Garden

Frequently Asked Questions

When should I plant Arugula in Blount County, AL?

Blount County is in Zone 7a with an average last frost of March 31. Plan your Arugula planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Blount County, AL?

Blount County, Alabama is in USDA Hardiness Zone 7a. The average last spring frost is March 31 and first fall frost is October 31.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Blount County gardeners in Zone 7a 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 Blount County, AL. Local conditions may vary. Last updated: April 2026.