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When to Plant Purslane in Smith County, TX

Purslane is a succulent edible plant rich in omega-3 fatty acids, often considered a weed but increasingly valued as a nutritious green. It has a lemony, peppery flavor.

Smith County, Texas is in USDA Zone 8a. The average last spring frost is March 9 and the first fall frost is November 16, giving you a growing season of approximately 252 days.

At an elevation of 179 feet, Smith County receives approximately 59.5 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 96ยฐF, so Purslane may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Purslane will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Purslane root diseases.

Smith County, TX (Zone 8a) Long season
252 days
Last Spring Frost March 9
252 growing days
First Fall Frost November 16

Smith County Soil Profile

Soil Type

Sandy Loam

Soil pH

5.6-6.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (180 days to spare)
Start indoors: Jan 24 Transplant: Feb 28 🍅 Harvest: Apr 11 – May 16
Recommended (50%) ✓ Fits season (175 days to spare)
Start indoors: Feb 2 Transplant: Mar 9 🍅 Harvest: Apr 20 – May 25
Safe Start (90%) ✓ Fits season (170 days to spare)
Start indoors: Feb 22 Transplant: Mar 29 🍅 Harvest: May 10 – Jun 14

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.

Plant Water Budget

Plant needs
0.5″/week
Rainfall provides
1.0″/week
Watering frequency Natural rainfall sufficient
Season total 0 gal / 100 sq ft
Purslane needs ~1,100 GDD — county provides 5,544 GDD Excellent fit

Purslane Planting Timeline โ€” Smith County, TX

Purslane Planting Calendar

Activity When Date Range
Start Indoors February 2 Feb 2 โ€“ Feb 16
Transplant Outdoors March 9 Mar 9 โ€“ Mar 23
Direct Sow February 23 Feb 23 โ€“ Mar 16
Fall Sowing September 7 Sep 7 โ€“ Sep 21
Harvest April 20 Apr 20 โ€“ May 25

Plant 0.5" deep ยท 6" apart ยท Rows 12" apart

Month-by-Month Timeline

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

Growing Conditions

Sun

Full Sun (6-8+ hours)

Water

Low โ€” drought tolerant

Days to Maturity

40โ€“60 days

Soil pH

5.5 โ€“ 7.5

USDA Zone

Zone 8a

Growing Season

252 days

Growing Tips for Smith County

Direct sow after last frost or allow to self-seed. Purslane thrives in hot, dry conditions. Harvest stem tips regularly. Contains more omega-3 fatty acids than any other leafy green.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Purslane in Smith County, TX?

Smith County is in Zone 8a with an average last frost of March 9. Plan your Purslane planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Smith County, TX?

Smith County, Texas is in USDA Hardiness Zone 8a. The average last spring frost is March 9 and first fall frost is November 16.

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Plan Your Garden with Confidence

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