When to plant Arugula in Eagle County, CO
Aim to plant Arugula in Eagle County on or after June 2; the window stays open through June 23. Eagle County's 83-day frost-free season gives you a tight window — choose short-season varieties. A second sowing from June 29 to July 13 extends the harvest into fall.
When to Plant Arugula in Eagle County, CO
Arugula is a fast-growing cool-season green with a peppery, nutty flavor. It is excellent in salads and can be harvested as baby greens or mature leaves.
Eagle County, Colorado is in USDA Zone 5b. The average last spring frost is June 16 and the first fall frost is September 7, giving you a growing season of approximately 83 days.
At an elevation of 7,116 feet, Eagle County receives approximately 24.5 inches of rainfall annually with predominantly loam soil. Summer highs average 81°F, so choose short-season varieties of Arugula to ensure they mature before fall.
Eagle County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Arugula Planting Timeline — Eagle County, CO
Arugula Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | May 12 | May 12 – May 26 |
| Transplant Outdoors | June 16 | Jun 16 – Jun 30 |
| Direct Sow | June 2 | Jun 2 – Jun 23 |
| Harvest | July 21 | Jul 21 – Sep 22 |
| Fall Sowing | June 29 | Jun 29 – Jul 13 |
Plant 0.5" deep · 6" 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 | Fall Sowing Harvest |
| August | Harvest |
| September | Harvest |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
30–50 days
🧪 Soil pH
Needs 6–7 · Your soil: N/A
🗺️ USDA Zone
Zone 5b
📆 Growing Season
83 days in Eagle County
Growing Tips for Eagle County
Sow seeds directly every 2-3 weeks for continuous harvest. Provide afternoon shade in warm weather to prevent bolting. Harvest outer leaves first to extend production.
Companion Planting
Good Companions
Avoid Planting Near
Check more plant combinations with our Companion Planting Checker →
Arugula in Other Locations
Frequently Asked Questions
When should I plant Arugula in Eagle County, CO?
Eagle County is in Zone 5b with an average last frost of June 16. Plan your Arugula planting based on this frost date — see the calendar above for exact timing.
What planting zone is Eagle County, CO?
Eagle County, Colorado is in USDA Hardiness Zone 5b. The average last spring frost is June 16 and first fall frost is September 7.
When should I plant Arugula in Eagle County, CO?
In Eagle County, CO, plant Arugula after the last frost (around June 16) and before the first frost (around September 7). Best results when soil holds above 50°F.
What growing zone is Eagle County, CO for Arugula?
Eagle County sits in USDA Zone 5b. Arugula grows reliably in zones 3a through 11b, so it's a good fit here.
Can Arugula grow in Eagle County's climate?
Yes — Arugula grows well in Eagle County's temperate climate. Eagle County averages a 83-day frost-free season, with last frost around June 16 and first frost around September 7.
Your Eagle County Garden Planner — Free
A 22-page printable planner built for Eagle County (Zone 5b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.