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When to Plant Dill in Greenville County, SC

Dill is a feathery annual herb with aromatic leaves and seeds. Its fine foliage and umbrella-shaped flower heads attract beneficial insects to the garden.

Greenville County, South Carolina is in USDA Zone 7b. The average last spring frost is April 6 and the first fall frost is November 1, giving you a growing season of approximately 209 days.

At an elevation of 284 feet, Greenville County receives approximately 60.1 inches of rainfall annually with predominantly clay loam soil. Summer highs average 89ยฐF, providing good warmth for Dill during the growing season. Clay soil retains moisture well for Dill, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Dill root diseases.

Greenville County, SC (Zone 7b) Long season
209 days
Last Spring Frost April 6
209 growing days
First Fall Frost November 1

Greenville County Soil Profile

Soil Type

Clay Loam

Soil pH

5.4-6.8

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (114 days to spare)
Start indoors: Feb 20 Transplant: Mar 20 🍅 Harvest: May 1 – Jul 3
Recommended (50%) ✓ Fits season (111 days to spare)
Start indoors: Mar 2 Transplant: Mar 30 🍅 Harvest: May 11 – Jul 13
Safe Start (90%) ✓ Fits season (113 days to spare)
Start indoors: Mar 14 Transplant: Apr 11 🍅 Harvest: May 23 – Jul 25

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
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Dill needs ~838 GDD — county provides 3,500 GDD Excellent fit

Dill Planting Timeline โ€” Greenville County, SC

Dill Planting Calendar

Activity When Date Range
Start Indoors March 2 Mar 2 โ€“ Mar 16
Transplant Outdoors March 30 Mar 30 โ€“ Apr 13
Direct Sow March 23 Mar 23 โ€“ Apr 13
Fall Sowing August 23 Aug 23 โ€“ Sep 6
Harvest May 11 May 11 โ€“ Jul 13

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
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

Full Sun (6-8+ hours)

Water

Moderate โ€” regular watering

Days to Maturity

40โ€“60 days

Soil pH

5.5 โ€“ 7

USDA Zone

Zone 7b

Growing Season

209 days

Growing Tips for Greenville County

Direct sow in spring as dill has a taproot and dislikes transplanting. Succession sow for continuous leaf harvest. Allow some plants to flower for seeds and to attract beneficial insects.

Companion Planting

Good Companions

Avoid Planting Near

  • Carrots
  • Tomatoes

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Frequently Asked Questions

When should I plant Dill in Greenville County, SC?

Greenville County is in Zone 7b with an average last frost of April 6. Plan your Dill planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Greenville County, SC?

Greenville County, South Carolina is in USDA Hardiness Zone 7b. The average last spring frost is April 6 and first fall frost is November 1.

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Plan Your Garden with Confidence

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