When to plant Onion in Lawrence County, AR
For Lawrence County, gardeners: plant Onion March 12 through April 2 once soil reads 50°F. A second sowing from August 25 to September 8 extends the harvest into fall.
When to Plant Onion in Lawrence County, AR
Onions are a fundamental kitchen staple available in yellow, white, and red varieties. Choose long-day, short-day, or intermediate types based on your latitude.
Lawrence County, Arkansas is in USDA Zone 7b. The average last spring frost is March 26 and the first fall frost is November 3, giving you a growing season of approximately 222 days.
At an elevation of 530 feet, Lawrence County receives approximately 51.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 93°F, providing good warmth for Onion during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Onion root diseases.
Lawrence County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Onion Planting Timeline — Lawrence County, AR
Onion Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 19 | Feb 19 – Mar 5 |
| Transplant Outdoors | March 26 | Mar 26 – Apr 9 |
| Direct Sow | March 12 | Mar 12 – Apr 2 |
| Harvest | June 25 | Jun 25 – Aug 13 |
| Fall Sowing | August 25 | Aug 25 – Sep 8 |
Plant 1" deep · 6" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | Start Indoors Transplant Outdoors Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Fall Sowing Harvest |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 7b
📆 Growing Season
222 days in Lawrence County
Growing Tips for Lawrence County
Start seeds indoors 8-10 weeks before transplanting. Match day-length type to your latitude. Stop watering when tops begin to fall over and cure bulbs for 2-3 weeks before storage.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Onion in Other Locations
Frequently Asked Questions
When should I plant Onion in Lawrence County, AR?
Lawrence County is in Zone 7b with an average last frost of March 26. Plan your Onion planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lawrence County, AR?
Lawrence County, Arkansas is in USDA Hardiness Zone 7b. The average last spring frost is March 26 and first fall frost is November 3.
When should I plant Onion in Lawrence County, AR?
In Lawrence County, AR, plant Onion after the last frost (around March 26) and before the first frost (around November 3). Best results when soil holds above 50°F.
What growing zone is Lawrence County, AR for Onion?
Lawrence County sits in USDA Zone 7b. Onion grows reliably in zones 3a through 10b, so it's a good fit here.
Can Onion grow in Lawrence County's climate?
Yes — Onion grows well in Lawrence County's temperate climate. Lawrence County averages a 222-day frost-free season, with last frost around March 26 and first frost around November 3.
Your Lawrence County Garden Planner — Free
A 22-page printable planner built for Lawrence County (Zone 7b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.