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When to Plant Spinach in Humphreys County, MS

Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.

Humphreys County, Mississippi is in USDA Zone 8a. The average last spring frost is March 6 and the first fall frost is November 18, giving you a growing season of approximately 257 days.

At an elevation of 303 feet, Humphreys County receives approximately 57.8 inches of rainfall annually with predominantly clay loam soil. Summer highs average 93Β°F, providing good warmth for Spinach during the growing season. Clay soil retains moisture well for Spinach, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Spinach root diseases.

Humphreys County, MS (Zone 8a) Long season
257 days
Last Spring Frost March 6
257 growing days
First Fall Frost November 18

Humphreys County Soil Profile

Soil Type

Clay Loam

Soil pH

5.5-6.8

Drainage

Well Drained

Monthly Watering Guide for Spinach

Spinach needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Spinach Needs Rainfall You Supplement Action
Jan β€” 4.9" 0" ❄️ Dormant
Feb β€” 4.5" 0" ❄️ Dormant
Mar 4.3" 5.6" 0" βœ… Rainfall sufficient
Apr 4.3" 4.1" 0.2" πŸ’§ Light watering
May 4.3" 4.8" 0" βœ… Rainfall sufficient
Jun 4.3" 4.8" 0" βœ… Rainfall sufficient
Jul 4.3" 6.4" 0" βœ… Rainfall sufficient
Aug 4.3" 5.9" 0" βœ… Rainfall sufficient
Sep 4.3" 4.1" 0.2" πŸ’§ Light watering
Oct 4.3" 3.8" 0.5" πŸ’§ Light watering
Nov 4.3" 4.5" 0" βœ… Rainfall sufficient
Dec β€” 4.4" 0" ❄️ Dormant

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

Spinach Planting Timeline β€” Humphreys County, MS

Spinach Planting Calendar

Activity When Date Range
Start Indoors January 30 Jan 30 – Feb 13
Transplant Outdoors March 6 Mar 6 – Mar 20
Direct Sow February 20 Feb 20 – Mar 13
Harvest April 10 Apr 10 – Jun 12
Fall Sowing September 9 Sep 9 – Sep 23

Plant 0.5" deep Β· 6" apart Β· Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

β˜€οΈ Sun

Partial Shade (3-6 hours)

πŸ’§ Water

Moderate β€” regular watering

πŸ“… Days to Maturity

35–50 days

πŸ§ͺ Soil pH

Needs 6.5–7.5 Β· Your soil: N/A

πŸ—ΊοΈ USDA Zone

Zone 8a

πŸ“† Growing Season

257 days in Humphreys County

Growing Tips for Humphreys County

Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

🌾 Save Your Own Spinach Seeds
Life Cycle Annual
Pollination Wind Pollinated
How to Collect Let plants bolt. Harvest seed stalks when seeds turn tan.
Storage Store airtight; viable 5 years at 35Β°F, under 45% humidity.

Wind pollinated β€” isolate 1/2 mile for purity. Easy to let bolt in heat.

Frequently Asked Questions

When should I plant Spinach in Humphreys County, MS?

Humphreys County is in Zone 8a with an average last frost of March 6. Plan your Spinach planting based on this frost date β€” see the calendar above for exact timing.

What planting zone is Humphreys County, MS?

Humphreys County, Mississippi is in USDA Hardiness Zone 8a. The average last spring frost is March 6 and first fall frost is November 18.

🌱

Plan Your Garden with Confidence

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

Get Your Free Garden Planner →

Free download. Plan your entire garden season in minutes.

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