Skip to content

Kansas Planting Guide & Growing Season

Kansas is in USDA hardiness zone with a growing season of 185 days. The average last spring frost is Apr 1 - Apr 30 and the average first fall frost is Oct 1 - Oct 31.

USDA Zone Hardiness zone
Last Frost Apr 1 - Apr 30 Average spring
First Frost Oct 1 - Oct 31 Average fall
Growing Season 185 days Moderate season

Growing Conditions in Kansas

USDA Hardiness Zone
Average Last FrostApr 1 - Apr 30
Average First FrostOct 1 - Oct 31
Growing Season Length185 days

How Kansas Compares

Compare Kansas's growing conditions with states that have similar climates.

StateUSDA ZoneLast FrostFirst FrostSeason (days)
Kansas (KS) Apr 1 - Apr 30Oct 1 - Oct 31185
Alabama (AL) Mar 1 - Apr 1Oct 25 - Nov 15220
Alaska (AK) May 15 - Jun 15Aug 15 - Sep 15105
Arizona (AZ) Feb 1 - Apr 15Oct 15 - Dec 15270
Arkansas (AR) Mar 15 - Apr 15Oct 15 - Nov 1210
California (CA) Jan 15 - Apr 15Oct 15 - Dec 31290

Frequently Asked Questions About Gardening in Kansas

When should I start seeds indoors in Kansas?

In Kansas, the average last frost date is Apr 1 - Apr 30. Start most seeds indoors 6-8 weeks before this date. The USDA hardiness zone for Kansas is undefined, with a growing season of approximately 185 days.

What USDA hardiness zone is Kansas?

Kansas falls in USDA hardiness zones undefined. This affects which perennial plants will survive winter and influences optimal planting times.

When is the first frost in Kansas?

The average first frost date in Kansas is Oct 1 - Oct 31. Plan to harvest cold-sensitive crops before this date or protect them with row covers.

How long is the growing season in Kansas?

Kansas has an average growing season of 185 days, from the last frost (Apr 1 - Apr 30) to first frost (Oct 1 - Oct 31). This moderate season works well for most common vegetables.

Plan Your Garden

Use our seed starting calculator to get personalized planting dates, or browse all states.

Gardening Supplies for Your Zone

Get the right plants and supplies for your growing zone.

Some links above are affiliate links — if you buy through them we may earn a small commission at no extra cost to you. As an Amazon Associate we earn from qualifying purchases.