When to Plant Lemon Balm in Montezuma County, CO
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.
Montezuma County, Colorado is in USDA Zone 5b. The average last spring frost is May 27 and the first fall frost is September 27, giving you a growing season of approximately 123 days.
At an elevation of 8,063 feet, Montezuma County receives approximately 15.2 inches of rainfall annually with predominantly loam soil. Summer highs average 84°F, so choose short-season varieties of Lemon Balm to ensure they mature before fall. With low rainfall, drip irrigation is essential for growing Lemon Balm successfully. Mulch heavily to conserve soil moisture.
Montezuma County Soil Profile
Soil Type
Loam
Soil pH
6.4-7.7
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
Water stress score is 8/10 — consider drought-tolerant varieties and mulching
Lemon Balm Planting Timeline — Montezuma County, CO
Lemon Balm Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | June 3 | Jun 3 – Jun 17 |
| Harvest | August 5 | Aug 5 – Sep 23 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | Transplant Outdoors |
| July | — |
| August | Harvest |
| September | Harvest |
| 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 5b
Growing Season
123 days
Growing Tips for Montezuma 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 Montezuma County, CO?
Montezuma County is in Zone 5b with an average last frost of May 27. Plan your Lemon Balm planting based on this frost date — see the calendar above for exact timing.
What planting zone is Montezuma County, CO?
Montezuma County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is May 27 and first fall frost is September 27.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Montezuma County gardeners in Zone 5b organize planting dates, track what's growing, and never miss a planting window.
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