Climate-based cabbage planting guide for Kansas City, Missouri

When to Plant Cabbage in Kansas City: Timing and Maturity Guide

Cabbage is usually well within the local season in Kansas City. The practical questions are more about crop quality and harvest goals than about racing to maturity.

Typical Planting Window

Excellent fit in this climate

Use the planting dates below for cabbage in Kansas City.

Start indoors February 7
Typical planting window March 21 – April 4
Method Transplant
Typical days to maturity 70–90

Gardeners usually start indoors around February 7 and plant outdoors from about March 21. Most varieties need about 70–90 days to reach maturity once they are in the garden.

Cabbage usually performs comfortably in Kansas City. Gardeners get the most from this climate when they use the margin to improve finish quality rather than merely count on maturity.

What the local margin changes most is that gardeners can hold out for a better-sized, better-finished crop instead of cutting early just to stay on schedule.

Best local strategy: Plant on time, protect uninterrupted growth, and harvest at the stage you actually want rather than leaving quality in the field.

Can Cabbage Mature in Kansas City?

Growing degree days measure how much useful warmth typically accumulates during the season. For cabbage, this helps estimate whether local heat accumulation is usually enough for the crop to reach maturity on time.

Available GDD (base 40) 6566
Typical crop GDD target 1000
Heat margin +5566

From the usual planting window, Kansas City typically provides about 6566 growing degree days for cabbage. With a typical crop target of 1000, that leaves a heat margin of +5566. That large heat margin means the crop usually has no trouble reaching maturity here. In practice, planting timing mostly affects how comfortably the crop sizes up and when harvest is ready, not whether the crop can finish.

GDD Checkpoints for Kansas City

If planting later than usual, this table shows how much growing degree day heat is still available from each point in the season. For cabbage, it is most useful for judging how much freedom you still have to plant for quality, finish, and harvest goals as the season moves along.

Checkpoint Remaining GDD Heat margin Fit vs typical target
Apr 15 6366 +5366 Comfortable
May 1 6067 +5067 Comfortable
May 15 5737 +4737 Comfortable
Jun 1 5240 +4240 Comfortable
Jun 15 4757 +3757 Comfortable
Jul 1 4145 +3145 Comfortable

Best Cabbage Varieties for Kansas City

In Kansas City, most cabbage varieties are usually realistic choices. Gardeners can often choose across the maturity range without giving up much day-to-day reliability.

Varieties that often fit well here include:

Variety class Typical days to maturity Typical GDD need Local fit
Very early 60–70 800 Good fit
Early 70–80 900 Good fit
Mid-season 80–95 1000 Good fit
Late 95–110 1150 Good fit

Main risk: The most common issue here is not climate but management: uneven growth, delayed planting, or harvesting outside the best quality window.

How Frost Affects Cabbage in Kansas City

Kansas City usually has about 212 frost-free days, with a typical last spring frost around April 4 and a typical first fall frost around November 2.

Typical last spring frost April 4
Typical first fall frost November 2
Typical frost-free days 212
Minimum safe temperature 28°F / -2 °C

Cabbage is generally somewhat frost tolerant and temperatures below about 28°F ( -2 °C) can slow growth or damage plants.

Cabbage is usually tolerant enough of cool conditions that light frost is not the main concern. The more useful question is how early planting affects establishment and overall crop quality.

Setbacks here usually come from practical decisions rather than from season length: planting later than ideal, uneven growth, poor moisture management, or harvesting outside the best eating window.

In Kansas City, cabbage already has plenty of seasonal room when planted around March 14. Local gardens do not all warm and cool at the same pace. In practical terms, the best spots are usually south-facing walls, sheltered gardens, raised beds, and sunnier urban lots. Cooler spots like low spots, exposed sites, and shadier yards are more likely to stay cooler and be less forgiving. For cabbage, warmer local sites usually help the crop get established earlier and grow a little more steadily.

Related crops

Related crops worth comparing for the same city:

For a broader local overview, see the Kansas City planting guide. You can also use the Growing Degree Day Planner to test planting dates and crop timing.