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When to Plant Lemon Balm in Ector County, TX

Lemon balm is a vigorous perennial herb with bright green, lemon-scented leaves. It makes a refreshing tea and is easy to grow but can spread aggressively.

Ector County, Texas is in USDA Zone 7b. The average last spring frost is March 23 and the first fall frost is November 11, giving you a growing season of approximately 233 days.

At an elevation of 3,652 feet, Ector County receives approximately 44 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 93ยฐF, providing good warmth for Lemon Balm during the growing season. Sandy soil warms quickly in spring โ€” great for early planting โ€” but Lemon Balm will need more frequent watering and organic matter to retain nutrients.

Ector County, TX (Zone 7b) Long season
233 days
Last Spring Frost March 23
233 growing days
First Fall Frost November 11

Ector County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.5-8.5

Drainage

Well Drained

Plant Planting Risk Windows

Early Start (70% safe) ✓ Fits season (115 days to spare)
Transplant: Mar 20 🍅 Harvest: May 22 – Jul 10
Recommended (50%) ✓ Fits season (114 days to spare)
Transplant: Mar 30 🍅 Harvest: Jun 1 – Jul 20
Safe Start (90%) ✓ Fits season (104 days to spare)
Transplant: Apr 25 🍅 Harvest: Jun 27 – Aug 15

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
1.0″/week
Rainfall provides
0.8″/week
You supply
0.3″/week
Watering frequency Only during dry spells
Season total 515 gal / 100 sq ft
Drought risk

Water stress score is 8/10 โ€” consider drought-tolerant varieties and mulching

Lemon Balm needs ~1,284 GDD — county provides 4,601 GDD Excellent fit

Lemon Balm Planting Timeline โ€” Ector County, TX

Lemon Balm Planting Calendar

Activity When Date Range
Transplant Outdoors March 30 Mar 30 โ€“ Apr 13
Harvest June 1 Jun 1 โ€“ Jul 20

Plant 0.5" deep ยท 8" apart ยท Rows 12" apart

Month-by-Month Timeline

MonthActivities
January โ€”
February โ€”
March Transplant Outdoors
April Transplant Outdoors
May โ€”
June Harvest
July Harvest
August โ€”
September โ€”
October โ€”
November โ€”
December โ€”

Growing Conditions

Sun

Partial Shade (3-6 hours)

Water

Moderate โ€” regular watering

Days to Maturity

60โ€“70 days

Soil pH

5.5 โ€“ 7.5

USDA Zone

Zone 7b

Growing Season

233 days

Growing Tips for Ector County

Start from seed, cuttings, or divisions. Contain in pots or use barriers to prevent spreading. Harvest frequently to keep plants bushy and prevent flowering.

Companion Planting

Good Companions

Level Up Your Garden

Frequently Asked Questions

When should I plant Lemon Balm in Ector County, TX?

Ector County is in Zone 7b with an average last frost of March 23. Plan your Lemon Balm planting based on this frost date โ€” see the calendar above for exact timing.

What planting zone is Ector County, TX?

Ector County, Texas is in USDA Hardiness Zone 7b. The average last spring frost is March 23 and first fall frost is November 11.

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Plan Your Garden with Confidence

Get our free Garden Planner โ€” designed to help Ector County gardeners in Zone 7b 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 Ector County, TX. Local conditions may vary. Last updated: April 2026.