When to Plant Sunflower in Anson County, NC
Sunflowers are tall, cheerful annuals grown for their edible seeds and as pollinator magnets. They come in sizes from 2-foot dwarfs to 12-foot giants.
Anson County, North Carolina is in USDA Zone 7b. The average last spring frost is March 29 and the first fall frost is November 3, giving you a growing season of approximately 219 days.
At an elevation of 332 feet, Anson County receives approximately 49.3 inches of rainfall annually with predominantly clay loam soil. Summer highs average 92°F, providing good warmth for Sunflower during the growing season. Clay soil retains moisture well for Sunflower, but amend with compost to improve drainage and prevent root rot.
Anson County Soil Profile
Soil Type
Clay Loam
Soil pH
5.5-6.7
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
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Sunflower Planting Timeline — Anson County, NC
Sunflower Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 8 | Feb 8 – Feb 22 |
| Transplant Outdoors | April 12 | Apr 12 – Apr 26 |
| Direct Sow | April 5 | Apr 5 – Apr 26 |
| Harvest | June 21 | Jun 21 – Aug 9 |
Plant 1" deep · 18" apart · Rows 30" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
70–100 days
Soil pH
6 – 7.5
USDA Zone
Zone 7b
Growing Season
219 days
Growing Tips for Anson County
Direct sow after last frost. Stake tall varieties in windy areas. Harvest seed heads when the back turns brown and seeds are plump. Dry heads upside down.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Sunflower in Other Locations
Frequently Asked Questions
When should I plant Sunflower in Anson County, NC?
Anson County is in Zone 7b with an average last frost of March 29. Plan your Sunflower planting based on this frost date — see the calendar above for exact timing.
What planting zone is Anson County, NC?
Anson County, North Carolina is in USDA Hardiness Zone 7b. The average last spring frost is March 29 and first fall frost is November 3.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Anson County gardeners in Zone 7b organize planting dates, track what's growing, and never miss a planting window.
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