When to Plant Lemon Balm in Smith 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.
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 96°F, so Lemon Balm may need afternoon shade and extra watering during peak heat. Sandy soil warms quickly in spring — great for early planting — but Lemon Balm will need more frequent watering and organic matter to retain nutrients. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Lemon Balm root diseases.
Smith County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.6-6.5
Drainage
Well Drained
Plant Planting Risk Windows
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
Lemon Balm Planting Timeline — Smith County, TX
Lemon Balm Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | March 16 | Mar 16 – Mar 30 |
| Harvest | May 18 | May 18 – Jul 6 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Transplant Outdoors |
| April | — |
| May | Harvest |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Partial Shade (3-6 hours)
Water
Moderate — regular watering
Days to Maturity
60–70 days
Soil pH
5.5 – 7.5
USDA Zone
Zone 8a
Growing Season
252 days
Growing Tips for Smith 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
Lemon Balm in Other Locations
Frequently Asked Questions
When should I plant Lemon Balm in Smith County, TX?
Smith County is in Zone 8a with an average last frost of March 9. Plan your Lemon Balm planting based on this frost date — 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.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Smith 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.