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When to Plant Amaranth in Red River Parish, LA

Red River Parish, Louisiana Zone 8a April

Your April game plan for Red River Parish, Louisiana

April is a pivotal month for Red River Parish, Louisiana gardens. Focus on these tasks first and you'll set up the rest of the season for success.

Avg. last frost March 8
Avg. first frost November 16
Soil temp (4") 62°F
Watering Low
Pest pressure High
Daylight 12.8 hrs
  1. Begin indoor sowing: amaranth

    Give them 6–8 weeks indoors before the last frost and you'll transplant into warm soil with seedlings that are already leaping.

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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.

Red River Parish, Louisiana is in USDA Zone 8a. The average last spring frost is March 8 and the first fall frost is November 16, giving you a growing season of approximately 253 days.

At an elevation of 477 feet, Red River Parish receives approximately 56.4 inches of rainfall annually with predominantly loam soil. Summer highs average 91°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.

Red River Parish, LA (Zone 8a) Long season
253 days
Last Spring Frost March 8
253 growing days
First Fall Frost November 16
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Red River Parish Soil Profile

Soil Type

Loam

Soil pH

5.8-7.2

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 4.3" 0" ❄️ Dormant
Feb 4.9" 0" ❄️ Dormant
Mar 4.3" 5.1" 0" ✅ Rainfall sufficient
Apr 4.3" 4.4" 0" ✅ Rainfall sufficient
May 4.3" 5.1" 0" ✅ Rainfall sufficient
Jun 4.3" 5" 0" ✅ Rainfall sufficient
Jul 4.3" 6.5" 0" ✅ Rainfall sufficient
Aug 4.3" 5.1" 0" ✅ Rainfall sufficient
Sep 4.3" 4" 0.3" 💧 Light watering
Oct 4.3" 3.9" 0.4" 💧 Light watering
Nov 4.3" 3.9" 0.4" 💧 Light watering
Dec 4.1" 0" ❄️ Dormant

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

Amaranth Planting Timeline — Red River Parish, LA

Amaranth Planting Calendar

Activity When Date Range
Start Indoors January 18 Jan 18 – Feb 1
Transplant Outdoors March 22 Mar 22 – Apr 5
Direct Sow March 15 Mar 15 – Apr 5
Harvest June 21 Jun 21 – Aug 9

Plant 1" deep · 15" apart · 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
June Harvest
July Harvest
August Harvest
September
October
November
December
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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

253 days in Red River Parish

Growing Tips for Red River 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 Red River Parish, LA?

Red River Parish is in Zone 8a with an average last frost of March 8. Plan your Amaranth planting based on this frost date — see the calendar above for exact timing.

What planting zone is Red River Parish, LA?

Red River Parish, Louisiana is in USDA Hardiness Zone 8a. The average last spring frost is March 8 and first fall frost is November 16.

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Your Red River Parish Garden Planner — Free

A 24-page printable planner built for Red River Parish (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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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 Red River Parish, LA. Local conditions may vary. Last updated: April 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.