When to plant Amaranth in St. Francis County, AR
In St. Francis County, plant Amaranth in spring between March 27 and April 17, once soil temps hold above 50°F. St. Francis County's last frost averages March 20, so most warm-season crops establish quickly once soil holds above 60°F. For a fall crop, sow between and — roughly 90–120 days before the first frost on November 9.
When to Plant Amaranth in St. Francis County, AR
Amaranth is an ancient grain crop with edible leaves and seeds, rich in protein and micronutrients. It thrives in warm conditions and is drought-tolerant once established.
St. Francis County, Arkansas is in USDA Zone 8a. The average last spring frost is March 20 and the first fall frost is November 9, giving you a growing season of approximately 234 days.
At an elevation of 1,429 feet, St. Francis County receives approximately 51.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Amaranth during the growing season. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Amaranth root diseases.
St. Francis County Soil Profile
Soil Type
Silt Loam
Soil pH
5.5-6.7
Drainage
Well Drained
Monthly Watering Guide for Amaranth
Amaranth needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.
| Month | Amaranth Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.2" | 0" | ❄️ Dormant |
| Feb | — | 4.2" | 0" | ❄️ Dormant |
| Mar | 4.3" | 5.4" | 0" | ✅ Rainfall sufficient |
| Apr | 4.3" | 3.9" | 0.4" | 💧 Light watering |
| May | 4.3" | 4.3" | 0" | ✅ Rainfall sufficient |
| Jun | 4.3" | 4.1" | 0.2" | 💧 Light watering |
| Jul | 4.3" | 5.2" | 0" | ✅ Rainfall sufficient |
| Aug | 4.3" | 4.5" | 0" | ✅ Rainfall sufficient |
| Sep | 4.3" | 4.1" | 0.2" | 💧 Light watering |
| Oct | 4.3" | 2.8" | 1.5" | 💧 Light watering |
| Nov | 4.3" | 4" | 0.3" | 💧 Light watering |
| Dec | — | 4.5" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in St. Francis County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Amaranth Planting Timeline — St. Francis County, AR
Amaranth Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 30 | Jan 30 – Feb 13 |
| Transplant Outdoors | April 3 | Apr 3 – Apr 17 |
| Direct Sow | March 27 | Mar 27 – Apr 17 |
| Harvest | July 3 | Jul 3 – Aug 21 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors |
| February | Start Indoors |
| March | Direct Sow |
| April | Transplant Outdoors Direct Sow |
| May | — |
| June | — |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
90–120 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 8a
📆 Growing Season
234 days in St. Francis County
Growing Tips for St. Francis County
Direct sow after last frost when soil is warm. Thin seedlings to 18 inches apart. Harvest leaves when young and tender; harvest seeds when flower heads begin to dry.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Amaranth in Other Locations
Frequently Asked Questions
When should I plant Amaranth in St. Francis County, AR?
St. Francis County is in Zone 8a with an average last frost of March 20. Plan your Amaranth planting based on this frost date — see the calendar above for exact timing.
What planting zone is St. Francis County, AR?
St. Francis County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 20 and first fall frost is November 9.
When should I plant Amaranth in St. Francis County, AR?
In St. Francis County, AR, plant Amaranth after the last frost (around March 20) and before the first frost (around November 9). Best results when soil holds above 50°F.
What growing zone is St. Francis County, AR for Amaranth?
St. Francis County sits in USDA Zone 8a. Amaranth grows reliably in zones 2a through 11b, so it's a good fit here.
Can Amaranth grow in St. Francis County's climate?
Yes — Amaranth grows well in St. Francis County's temperate climate. St. Francis County averages a 234-day frost-free season, with last frost around March 20 and first frost around November 9.
Your St. Francis County Garden Planner — Free
A 22-page printable planner built for St. Francis 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.