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When to Plant Amaranth in Concho County, TX

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.

Concho County, Texas is in USDA Zone 8a. The average last spring frost is March 25 and the first fall frost is November 12, giving you a growing season of approximately 232 days.

At an elevation of 3,848 feet, Concho County receives approximately 58.2 inches of rainfall annually with predominantly loam soil. Summer highs average 93Β°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.

Concho County, TX (Zone 8a) Long season
232 days
Last Spring Frost March 25
232 growing days
First Fall Frost November 12

Concho County Soil Profile

Soil Type

Loam

Soil pH

6.6-7.4

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 β€” 1.6" 0" ❄️ Dormant
Feb β€” 2.2" 0" ❄️ Dormant
Mar 4.3" 3.4" 0.9" πŸ’§ Light watering
Apr 4.3" 6.8" 0" βœ… Rainfall sufficient
May 4.3" 8.9" 0" βœ… Rainfall sufficient
Jun 4.3" 9.3" 0" βœ… Rainfall sufficient
Jul 4.3" 6.8" 0" βœ… Rainfall sufficient
Aug 4.3" 6.5" 0" βœ… Rainfall sufficient
Sep 4.3" 5.4" 0" βœ… Rainfall sufficient
Oct 4.3" 3.6" 0.7" πŸ’§ Light watering
Nov 4.3" 2.2" 2.1" πŸ’§ Light watering
Dec β€” 1.6" 0" ❄️ Dormant

Water needs are for active growing months only (Mar–Nov in Concho County). Supplement amounts are based on average rainfall β€” actual needs vary with temperature, soil, and mulching.

Amaranth Planting Timeline β€” Concho County, TX

Amaranth Planting Calendar

Activity When Date Range
Start Indoors February 4 Feb 4 – Feb 18
Transplant Outdoors April 8 Apr 8 – Apr 22
Direct Sow April 1 Apr 1 – Apr 22
Harvest July 8 Jul 8 – Aug 26

Plant 1" deep Β· 15" apart Β· Rows 24" apart

Month-by-Month Timeline

MonthActivities
January β€”
February Start Indoors
March β€”
April Transplant Outdoors Direct Sow
May β€”
June β€”
July Harvest
August Harvest
September β€”
October β€”
November β€”
December β€”

Growing Conditions

β˜€οΈ Sun

Full Sun (6-8+ hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

90–120 days

πŸ§ͺ Soil pH

Needs 6–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

232 days in Concho County

Growing Tips for Concho 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

  • Fennel

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Amaranth in Concho County, TX?

Concho County is in Zone 8a with an average last frost of March 25. Plan your Amaranth planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Concho County, TX?

Concho County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 25 and first fall frost is November 12.

🌱

Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Concho County gardeners in Zone 8a organize planting dates, track what's growing, and never miss a planting window.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Concho County, TX. Local conditions may vary. Last updated: April 2026.