📍 Midfield, TX · Zone 9b · Last frost Tuesday, February 10, 2026
✏️ ChangeWhen to Plant Lemon Balm in Midfield, Texas (77458)
Location
Midfield, Texas
ZIP Code
77458
USDA Zone
9b
Last Frost
Tuesday, February 10, 2026
📅 Your 2026 Planting Dates
Start Seeds Indoors
Tuesday, December 30, 2025
Transplant Outdoors
Tuesday, February 24, 2026
Based on last frost Tuesday, February 10, 2026 · Zone 9b
Pro tip: Start Lemon Balm seeds indoors 6 weeks before your last frost date, then transplant outdoors around Tuesday, February 24, 2026.
🌿 Plant Details
☀️ Growing Requirements
☀️
Sun
Partial Shade to Full Sun
💧
Water
Regular (keep moist)
↔️
Spacing
18" apart
🌱
Planting Depth
0.125" deep
Seeds typically germinate in 10-14 days
Ready to Plant Lemon Balm in Midfield?
Get your seeds now so they're ready by Tuesday, December 30, 2025.
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🤝 Good Companions
Full Companion Planting Guide for Lemon Balm
See which plants help Lemon Balm thrive, which to keep away, and raised bed layout tips →
🛠️ Supplies You'll Need
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🌾 Seed Saving Guide
🟢 EasyWhen to Harvest Seed
Harvest seed heads when most have turned brown — they shatter quickly so check often.
Processing
Shake dried stems into a container; tiny seeds fall freely from dried calyxes.
Seed Viability
Up to 2 years when stored cool, dark, and dry.
Pro Tip
Lemon balm self-sows vigorously and can become invasive if all seeds are allowed to drop.
Raised Bed Planting Guides
A 4×8 bed fits 14 plants of Lemon Balm. See plant counts, spacing grids, and companion pairings for every bed size →
Frequently Asked Questions
When should I plant Lemon Balm in Midfield, Texas? +
In Midfield (Zone 9b), start Lemon Balm seeds indoors around Tuesday, December 30, 2025 and transplant outdoors around Tuesday, February 24, 2026.
What is the last frost date for Midfield, Texas? +
The average last spring frost date for Midfield, Texas (ZIP 77458) is around Tuesday, February 10, 2026. This is based on NOAA climate normals for USDA Zone 9b.
How long does Lemon Balm take to grow? +
Lemon Balm typically matures in about 70 days from transplanting. In Midfield, that means you can expect harvest around Tuesday, February 24, 2026 plus 70 days.
Should I start Lemon Balm indoors or direct sow in Texas? +
Lemon Balm should be started indoors 6 weeks before your last frost date. In Midfield, that means starting around Tuesday, December 30, 2025.
📚 More Lemon Balm Planting Guides
Other Plants for Midfield
Growing Lemon Balm in Zone 9b
Lemon Balm (Melissa officinalis) is a popular garden vegetable. In Midfield, Texas, which is in USDA Hardiness Zone 9b, you should start seeds indoors around Tuesday, December 30, 2025.
Your average last frost date is Tuesday, February 10, 2026. Plan to transplant your Lemon Balm seedlings outdoors around Tuesday, February 24, 2026, about 2 weeks after your last frost date.