When to Plant Dill in Richland 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.
Richland County, South Carolina is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 10, giving you a growing season of approximately 233 days.
At an elevation of 88 feet, Richland County receives approximately 57.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 97°F, so Dill may need afternoon shade and extra watering during peak heat. 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.
Richland County Soil Profile
Soil Type
Clay Loam
Soil pH
5.7-6.7
Drainage
Well Drained
Plant Planting Risk Windows
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
Dill Planting Timeline — Richland County, SC
Dill Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 15 | Feb 15 – Mar 1 |
| Transplant Outdoors | March 15 | Mar 15 – Mar 29 |
| Direct Sow | March 8 | Mar 8 – Mar 29 |
| Fall Sowing | September 1 | Sep 1 – Sep 15 |
| Harvest | April 26 | Apr 26 – Jun 28 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | — |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
40–60 days
Soil pH
5.5 – 7
USDA Zone
Zone 8a
Growing Season
233 days
Growing Tips for Richland 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
Level Up Your Garden
Dill in Other Locations
Frequently Asked Questions
When should I plant Dill in Richland County, SC?
Richland County is in Zone 8a with an average last frost of March 22. Plan your Dill planting based on this frost date — see the calendar above for exact timing.
What planting zone is Richland County, SC?
Richland County, South Carolina is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 10.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Richland County gardeners in Zone 8a 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.