When to plant Spinach in Dolores County, CO
Plant Spinach in Dolores County from June 4 to June 25 in spring. Dolores County sits in USDA Zone 6b, with last frost around June 18 and first frost on September 8. A second sowing from June 30 to July 14 extends the harvest into fall.
When to Plant Spinach in Dolores County, CO
Spinach is a nutrient-packed cool-season green that grows quickly in spring and fall. It is rich in iron, vitamins, and antioxidants and excellent raw or cooked.
Dolores County, Colorado is in USDA Zone 6b. The average last spring frost is June 18 and the first fall frost is September 8, giving you a growing season of approximately 82 days.
At an elevation of 7,506 feet, Dolores County receives approximately 23.1 inches of rainfall annually with predominantly loam soil. Summer highs average 85°F, providing good warmth for Spinach during the growing season.
Dolores County Soil Profile
Soil Type
Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Spinach Planting Timeline — Dolores County, CO
Spinach Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | May 14 | May 14 – May 28 |
| Transplant Outdoors | June 18 | Jun 18 – Jul 2 |
| Direct Sow | June 4 | Jun 4 – Jun 25 |
| Harvest | July 23 | Jul 23 – Sep 24 |
| Fall Sowing | June 30 | Jun 30 – Jul 14 |
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 | Transplant Outdoors 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
35–50 days
🧪 Soil pH
Needs 6.5–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 6b
📆 Growing Season
82 days in Dolores County
Growing Tips for Dolores County
Direct sow as soon as soil can be worked in spring. Plant in partial shade for summer crops to delay bolting. Succession plant every 2 weeks for continuous harvest.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Wind pollinated — isolate 1/2 mile for purity. Easy to let bolt in heat.
Spinach in Other Locations
Frequently Asked Questions
When should I plant Spinach in Dolores County, CO?
Dolores County is in Zone 6b with an average last frost of June 18. Plan your Spinach planting based on this frost date — see the calendar above for exact timing.
What planting zone is Dolores County, CO?
Dolores County, Colorado is in USDA Hardiness Zone 6b. The average last spring frost is June 18 and first fall frost is September 8.
When should I plant Spinach in Dolores County, CO?
In Dolores County, CO, plant Spinach after the last frost (around June 18) and before the first frost (around September 8). Best results when soil holds above 50°F.
What growing zone is Dolores County, CO for Spinach?
Dolores County sits in USDA Zone 6b. Spinach grows reliably in zones 2a through 10b, so it's a good fit here.
Can Spinach grow in Dolores County's climate?
Yes — Spinach grows well in Dolores County's temperate climate. Dolores County averages a 82-day frost-free season, with last frost around June 18 and first frost around September 8.
Your Dolores County Garden Planner — Free
A 22-page printable planner built for Dolores County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.