When to plant Amaranth in Polk County, MO
Plant Amaranth in Polk County from April 17 to May 8 in spring. Polk County sits in USDA Zone 6b, with last frost around April 10 and first frost on October 22.
When to Plant Amaranth in Polk County, MO
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.
Polk County, Missouri is in USDA Zone 6b. The average last spring frost is April 10 and the first fall frost is October 22, giving you a growing season of approximately 195 days.
At an elevation of 1,363 feet, Polk County receives approximately 31.1 inches of rainfall annually with predominantly silt loam soil. Summer highs average 88°F, providing good warmth for Amaranth during the growing season.
Polk County Soil Profile
Soil Type
Silt Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Amaranth Planting Timeline — Polk County, MO
Amaranth Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 13 | Feb 13 – Feb 27 |
| Transplant Outdoors | April 24 | Apr 24 – May 8 |
| Direct Sow | April 17 | Apr 17 – May 8 |
| Harvest | July 24 | Jul 24 – Sep 11 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors |
| March | — |
| April | Transplant Outdoors Direct Sow |
| May | Transplant Outdoors Direct Sow |
| June | — |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| 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 6b
📆 Growing Season
195 days in Polk County
Growing Tips for Polk 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
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Amaranth in Other Locations
Frequently Asked Questions
When should I plant Amaranth in Polk County, MO?
Polk County is in Zone 6b with an average last frost of April 10. Plan your Amaranth planting based on this frost date — see the calendar above for exact timing.
What planting zone is Polk County, MO?
Polk County, Missouri is in USDA Hardiness Zone 6b. The average last spring frost is April 10 and first fall frost is October 22.
When should I plant Amaranth in Polk County, MO?
In Polk County, MO, plant Amaranth after the last frost (around April 10) and before the first frost (around October 22). Best results when soil holds above 50°F.
What growing zone is Polk County, MO for Amaranth?
Polk County sits in USDA Zone 6b. Amaranth grows reliably in zones 2a through 11b, so it's a good fit here.
Can Amaranth grow in Polk County's climate?
Yes — Amaranth grows well in Polk County's temperate climate. Polk County averages a 195-day frost-free season, with last frost around April 10 and first frost around October 22.
Your Polk County Garden Planner — Free
A 22-page printable planner built for Polk County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.