When to Plant Chamomile in Lake County, CO
Chamomile is a daisy-like herb famous for its calming, apple-scented tea. German chamomile is an annual while Roman chamomile is a perennial ground cover.
Lake County, Colorado is in USDA Zone 4a. The average last spring frost is June 21 and the first fall frost is August 30, giving you a growing season of approximately 70 days.
At an elevation of 7,687 feet, Lake County receives approximately 21.2 inches of rainfall annually with predominantly loam soil. Summer highs average 83°F, so choose short-season varieties of Chamomile to ensure they mature before fall.
Lake County Soil Profile
Soil Type
Loam
Soil pH
6.6-8.2
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 6/10 — consider drought-tolerant varieties and mulching
Chamomile Planting Timeline — Lake County, CO
Chamomile Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | May 10 | May 10 – May 24 |
| Transplant Outdoors | June 14 | Jun 14 – Jun 28 |
| Direct Sow | June 14 | Jun 14 – Jul 5 |
| Fall Sowing | June 7 | Jun 7 – Jun 21 |
| Harvest | August 16 | Aug 16 – Oct 25 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Start Indoors |
| June | Transplant Outdoors Direct Sow Fall Sowing |
| July | Direct Sow |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
60–90 days
Soil pH
5.6 – 7.5
USDA Zone
Zone 4a
Growing Season
70 days
Growing Tips for Lake County
Direct sow on the soil surface as seeds need light. Harvest flowers when petals begin to curl back. Chamomile self-sows freely and improves the health of nearby plants.
Companion Planting
Good Companions
Level Up Your Garden
Chamomile in Other Locations
Frequently Asked Questions
When should I plant Chamomile in Lake County, CO?
Lake County is in Zone 4a with an average last frost of June 21. Plan your Chamomile planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lake County, CO?
Lake County, Colorado is in USDA Hardiness Zone 4a. The average last spring frost is June 21 and first fall frost is August 30.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Lake County gardeners in Zone 4a organize planting dates, track what's growing, and never miss a planting window.
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