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When to Plant Peas in Hamilton County, TX

Peas are a cool-season legume that fixes nitrogen in the soil. Garden peas are shelled, while snap and snow peas are eaten pod and all.

Hamilton County, Texas is in USDA Zone 8a. The average last spring frost is March 18 and the first fall frost is November 12, giving you a growing season of approximately 239 days.

At an elevation of 4,378 feet, Hamilton County receives approximately 65.2 inches of rainfall annually with predominantly clay soil. Summer highs average 93ยฐF, providing good warmth for Peas during the growing season. Clay soil retains moisture well for Peas, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Peas root diseases.

Hamilton County, TX (Zone 8a) Long season
239 days
Last Spring Frost March 18
239 growing days
First Fall Frost November 12

Hamilton County Soil Profile

Soil Type

Clay

Soil pH

6.9-8.2

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (132 days to spare)
Start indoors: Jan 31 Transplant: Mar 7 🍅 Harvest: May 2 – Jun 27
Recommended (50%) ✓ Fits season (127 days to spare)
Start indoors: Feb 11 Transplant: Mar 18 🍅 Harvest: May 13 – Jul 8
Safe Start (90%) ✓ Fits season (122 days to spare)
Start indoors: Mar 7 Transplant: Apr 11 🍅 Harvest: Jun 6 – Aug 1

Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.

Soil Compatibility in Hamilton County

How your county's soil matches Peas's growing requirements.

Soil pH

Your soil pH (6.9โ€“8.2) is more alkaline than Peas prefers (6.0โ€“7.5). Add sulfur or peat moss to lower pH.

Soil Texture

Your clay soil in Hamilton County is workable for Peas. Add compost annually to improve structure.

Organic Matter

Organic matter is moderate (3.4%). Annual compost additions will help Peas.

How to Plant Peas

1"
Planting Depth
4"
Between Plants
18"
Between Rows

Fall planting: Sow 10 weeks before your first frost date for a fall harvest.

Succession Planting Peas

5
successive plantings in your 239-day season

Sow every 6.3 weeks. Last sowing by Sep 03 to harvest before frost.

For a dedicated fall crop, sow by Sep 03.

Plant Water Budget

Plant needs
0.7″/week
Rainfall provides
1.2″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Drought risk

Water stress score is 6/10 โ€” consider drought-tolerant varieties and mulching

Peas needs ~1,234 GDD — county provides 4,720 GDD Excellent fit

Peas Planting Timeline โ€” Hamilton County, TX

Peas Planting Calendar

Activity When Date Range
Start Indoors February 11 Feb 11 โ€“ Feb 25
Transplant Outdoors March 18 Mar 18 โ€“ Apr 1
Direct Sow March 4 Mar 4 โ€“ Mar 25
Fall Sowing September 3 Sep 3 โ€“ Sep 17
Harvest May 13 May 13 โ€“ Jul 8

Plant 1" deep ยท 4" apart ยท Rows 18" apart

Month-by-Month Timeline

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

Growing Conditions

โ˜€๏ธ Sun

Full Sun (6-8+ hours)

๐Ÿ’ง Water

0.7"/week ยท Natural rainfall sufficient

๐Ÿ“… Days to Maturity

55โ€“70 days

๐Ÿงช Soil pH

Needs 6โ€“7.5 ยท Your soil: too_alkaline

๐Ÿ—บ๏ธ USDA Zone

Zone 8a

๐Ÿ“† Growing Season

239 days in Hamilton County

Growing Tips for Peas in Hamilton County

Direct sow Peas outdoors after March 18 in Hamilton County when soil has warmed and frost danger has passed.

With Hamilton County's clay soil (40% clay), work in 3-4 inches of compost before planting Peas. Avoid tilling when soil is wet to prevent compaction.

Summer highs in Hamilton County reach 93ยฐF โ€” grow Peas as a spring or fall crop. Use shade cloth if planting in summer.

Common pests for Peas in this region include bean beetles and aphids. Use row covers early in the season and inspect plants weekly.

General growing tips

Direct sow as early as soil can be worked in spring. Inoculate seeds with rhizobium for best nitrogen fixation. Provide trellising for climbing varieties.

Recommended Peas Varieties for Hamilton County

Heat-tolerant peas โ€” plant very early or as fall crop

Wando (68d) Oregon Sugar Pod (60d)

Companion Planting

Good Companions

Avoid Planting Near

  • Onion
  • Garlic

Level Up Your Garden

๐ŸŒพ Save Your Own Peas Seeds
Life Cycle Annual
Pollination Self-Pollinating
How to Collect Let pods dry brown and papery on the vine.
Storage Store airtight; viable 3 years at 35ยฐF, under 45% humidity.

Very easy to save. Self-pollinating means varieties stay true.

Frequently Asked Questions

When should I plant Peas in Hamilton County, TX?

Hamilton County is in Zone 8a with an average last frost of March 18. Plan your Peas planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Hamilton County, TX?

Hamilton County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 18 and first fall frost is November 12.

๐ŸŒฑ

Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Hamilton 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 Hamilton County, TX. Local conditions may vary. Last updated: April 2026.