When to Plant Hot Peppers in Douglas County, CO
Hot peppers range from mildly spicy jalapenos to scorching superhots. They require long, warm growing seasons and produce capsaicin that gives them their heat.
Douglas County, Colorado is in USDA Zone 5b. The average last spring frost is May 22 and the first fall frost is September 20, giving you a growing season of approximately 121 days.
At an elevation of 7,421 feet, Douglas County receives approximately 12.9 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Hot Peppers during the growing season. With low rainfall, drip irrigation is essential for growing Hot Peppers successfully. Mulch heavily to conserve soil moisture.
Douglas County Soil Profile
Soil Type
Loam
Soil pH
6.7-8.4
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
Hot Peppers Planting Timeline — Douglas County, CO
Hot Peppers Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | March 13 | Mar 13 – Mar 27 |
| Transplant Outdoors | June 5 | Jun 5 – Jun 19 |
| Direct Sow | May 29 | May 29 – Jun 19 |
| Harvest | August 14 | Aug 14 – Nov 20 |
Plant 1" deep · 15" apart · Rows 24" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | Start Indoors |
| April | — |
| May | Direct Sow |
| June | Transplant Outdoors Direct Sow |
| July | — |
| August | Harvest |
| September | Harvest |
| October | Harvest |
| November | Harvest |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Moderate — regular watering
Days to Maturity
70–120 days
Soil pH
6 – 7
USDA Zone
Zone 5b
Growing Season
121 days
Growing Tips for Douglas County
Start seeds indoors 10-12 weeks before last frost as they germinate slowly. Use heat mats to maintain 80-85F soil temperature for germination. Stress plants slightly by reducing water to increase heat levels.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Hot Peppers in Other Locations
Frequently Asked Questions
When should I plant Hot Peppers in Douglas County, CO?
Douglas County is in Zone 5b with an average last frost of May 22. Plan your Hot Peppers planting based on this frost date — see the calendar above for exact timing.
What planting zone is Douglas County, CO?
Douglas County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is May 22 and first fall frost is September 20.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Douglas County gardeners in Zone 5b 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.