When to Plant Rue in Elbert County, CO
Rue is a bitter, aromatic perennial herb with bluish-green foliage used historically in medicine and as a pest deterrent. Handle with care as its sap can cause skin irritation.
Elbert County, Colorado is in USDA Zone 5a. The average last spring frost is May 12 and the first fall frost is October 3, giving you a growing season of approximately 144 days.
At an elevation of 5,587 feet, Elbert County receives approximately 22.1 inches of rainfall annually with predominantly loam soil. Summer highs average 87°F, providing good warmth for Rue during the growing season.
Elbert County Soil Profile
Soil Type
Loam
Soil pH
6.2-7.7
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
Rue Planting Timeline — Elbert County, CO
Rue Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | May 19 | May 19 – Jun 2 |
| Harvest | July 28 | Jul 28 – Sep 29 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | Transplant Outdoors |
| June | Transplant Outdoors |
| July | Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
70–90 days
Soil pH
6 – 7.5
USDA Zone
Zone 5a
Growing Season
144 days
Growing Tips for Elbert County
Start seeds indoors or direct sow. Plant in well-drained soil. Wear gloves when handling as sap can cause phytophotodermatitis. Prune in early spring.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Rue in Other Locations
Frequently Asked Questions
When should I plant Rue in Elbert County, CO?
Elbert County is in Zone 5a with an average last frost of May 12. Plan your Rue planting based on this frost date — see the calendar above for exact timing.
What planting zone is Elbert County, CO?
Elbert County, Colorado is in USDA Hardiness Zone 5a. The average last spring frost is May 12 and first fall frost is October 3.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Elbert County gardeners in Zone 5a organize planting dates, track what's growing, and never miss a planting window.
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