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When to Plant Amaranth in Tensas Parish, LA

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.

Tensas Parish, Louisiana is in USDA Zone 8b. The average last spring frost is March 9 and the first fall frost is November 12, giving you a growing season of approximately 248 days.

At an elevation of 409 feet, Tensas Parish receives approximately 61.5 inches of rainfall annually with predominantly loam soil. Summer highs average 90Β°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.

Tensas Parish, LA (Zone 8b) Long season
248 days
Last Spring Frost March 9
248 growing days
First Fall Frost November 12

Tensas Parish Soil Profile

Soil Type

Loam

Soil pH

6.2-6.8

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€” 5.6" 0" ❄️ Dormant
Feb β€” 4.1" 0" ❄️ Dormant
Mar 4.3" 6.2" 0" βœ… Rainfall sufficient
Apr 4.3" 4.9" 0" βœ… Rainfall sufficient
May 4.3" 5.3" 0" βœ… Rainfall sufficient
Jun 4.3" 5" 0" βœ… Rainfall sufficient
Jul 4.3" 6.1" 0" βœ… Rainfall sufficient
Aug 4.3" 5.4" 0" βœ… Rainfall sufficient
Sep 4.3" 4.9" 0" βœ… Rainfall sufficient
Oct 4.3" 3.9" 0.4" πŸ’§ Light watering
Nov 4.3" 4.9" 0" βœ… Rainfall sufficient
Dec β€” 5.2" 0" ❄️ Dormant

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

Amaranth Planting Timeline β€” Tensas Parish, LA

Amaranth Planting Calendar

Activity When Date Range
Start Indoors January 19 Jan 19 – Feb 2
Transplant Outdoors March 23 Mar 23 – Apr 6
Direct Sow March 16 Mar 16 – Apr 6
Harvest June 22 Jun 22 – Aug 10

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

Month-by-Month Timeline

MonthActivities
January Start Indoors
February Start Indoors
March Transplant Outdoors Direct Sow
April Transplant Outdoors Direct Sow
May β€”
June Harvest
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 8b

πŸ“† Growing Season

248 days in Tensas Parish

Growing Tips for Tensas Parish

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 Tensas Parish, LA?

Tensas Parish is in Zone 8b with an average last frost of March 9. Plan your Amaranth planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Tensas Parish, LA?

Tensas Parish, Louisiana is in USDA Hardiness Zone 8b. The average last spring frost is March 9 and first fall frost is November 12.

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Plan Your Garden with Confidence

Get our free Garden Planner β€” designed to help Tensas Parish gardeners in Zone 8b 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 Tensas Parish, LA. Local conditions may vary. Last updated: April 2026.