When to plant Spinach in Calhoun County, AR
In Calhoun County, plant Spinach in spring between March 8 and March 29, once soil temps hold above 50°F. Calhoun County's last frost averages March 22, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between August 26 and September 9 — roughly 35–50 days before the first frost on November 4.
When to Plant Spinach in Calhoun County, AR
Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.
Calhoun County, Arkansas is in USDA Zone 8a. The average last spring frost is March 22 and the first fall frost is November 4, giving you a growing season of approximately 227 days.
At an elevation of 1,246 feet, Calhoun County receives approximately 52.9 inches of rainfall annually with predominantly silt loam soil. Summer highs average 94°F, providing good warmth for Spinach during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Spinach root diseases.
Calhoun County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Spinach Planting Timeline — Calhoun County, AR
Spinach Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 15 | Feb 15 – Mar 1 |
| Transplant Outdoors | March 22 | Mar 22 – Apr 5 |
| Direct Sow | March 8 | Mar 8 – Mar 29 |
| Harvest | April 26 | Apr 26 – Jun 28 |
| Fall Sowing | August 26 | Aug 26 – Sep 9 |
Plant 0.5" 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 Harvest |
| May | Harvest |
| June | Harvest |
| July | — |
| August | Fall Sowing |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
35–50 days
🧪 Soil pH
Needs 6.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
227 days in Calhoun County
Growing Tips for Calhoun County
Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Wind pollinated — isolate 1/2 mile for purity. Easy to let bolt in heat.
Spinach in Other Locations
Frequently Asked Questions
When should I plant Spinach in Calhoun County, AR?
Calhoun County is in Zone 8a with an average last frost of March 22. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.
What planting zone is Calhoun County, AR?
Calhoun County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 22 and first fall frost is November 4.
When should I plant Spinach in Calhoun County, AR?
In Calhoun County, AR, plant Spinach after the last frost (around March 22) and before the first frost (around November 4). Best results when soil holds above 50°F.
What growing zone is Calhoun County, AR for Spinach?
Calhoun County sits in USDA Zone 8a. Spinach grows reliably in zones 2a through 10b, so it's a good fit here.
Can Spinach grow in Calhoun County's climate?
Yes — Spinach grows well in Calhoun County's temperate climate. Calhoun County averages a 227-day frost-free season, with last frost around March 22 and first frost around November 4.
Your Calhoun County Garden Planner — Free
A 22-page printable planner built for Calhoun County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.