Question 1

When should I plant spinach in ZIP 80903?

Accepted Answer

In ZIP 80903, the main spinach target is around Apr 17, based on the representative Colorado Springs frost station and USDA zone 6a.

Question 2

When should I start spinach seeds indoors in 80903?

Accepted Answer

Spinach is usually direct-sown for ZIP 80903. Use the Apr 17 planting window instead of starting it indoors.

Question 3

When is the last frost in Colorado Springs?

Accepted Answer

Colorado Springs (ZIP 80903) has an average last spring frost around May 15, based on the representative Colorado Springs frost station.

Question 4

When is the first frost in Colorado Springs?

Accepted Answer

Colorado Springs (ZIP 80903) has an average first fall frost around Oct 1, leaving about 139 frost-free days.

Question 5

Is this a guaranteed planting date?

Accepted Answer

No. GrowZone uses frost-date estimates, hardiness zones, and crop timing rules for planning. Local microclimates and current weather can shift the right date.

Spinach is usually direct-sown around Apr 17

Spinach dates for Colorado Springs, CO