Kansas City Gardening Guide (2026)

Plains; hot summers, cold winters.

USDA zone
6
Typical last frost
04/15
Typical first frost
10/20

Quick answer (Kansas City): Gardeners here work in about a 188-day frost-free window around zone 6. State context: Missouri (zones 5–7). Start warm crops indoors ~6 weeks before the last frost of 04/15.

Your Kansas City planting calendar

Pre-filled with Kansas City's frost dates. Choose a crop to print your plan.

In this ZIP (typical zone 5–7), last frost β‰ˆ Apr 15, first frost β‰ˆ Oct 20 (188-day season), your Tomato plan:

Start seeds indoors
Mar 4
Sow / transplant outdoors
Apr 29
First harvest
Jul 8
Spacing / depth
24β€³ / 0.25β€³

Month-by-month (this ZIP, 2026)

MonthAction
Janβ€”
Febβ€”
MarStart indoors
AprSow Β· Transplant
Mayβ€”
Junβ€”
JulHarvest
Augβ€”
Sepβ€”
Octβ€”
Novβ€”
Decβ€”

Start indoors 6 weeks before last frost; transplant after soil warms. Zones 3–13 suitable. Dates are typical; confirm with your county extension and watch the 10-day forecast.

Common pests near Kansas City

Pre-filled to Missouri. Pick a pest for signs, organic-first treatment, and a printable IPM card.

Japanese Beetle

Targets
Roses, grapes, beans, basil, lawns
Signs
Metallic green-bronze beetles skeletonizing leaves; grubs in turf.
Organic / IPM first
Hand-pick into soapy water; milky spore and beneficial nematodes for grubs; neem.
Chemical option (follow label)
Carbaryl or imidacloprid (follow label); treat grubs in late summer.
Prevention
Row covers early season; avoid trapping lures that attract more.

Crops that fit zone 6

Vegetables and herbs suited to your metro zone β€” open any for a state-specific planting card:

Kansas City year at a glance

A month-by-month rhythm built from Kansas City's typical frost window (last frost 04/15, first frost 10/20). Dates shift with weather β€” watch the 10-day forecast before planting tender crops.

MonthTypical Kansas City garden work
JanPlan the season, order seeds, start slow crops (onions from seed) indoors under lights.
FebStart peppers and early tomatoes indoors ~6-8 weeks before last frost; harden off later crops.
MarStart warm crops indoors; sow hardy greens (lettuce, spinach, radish) as soil dries.
AprAround the 04/15 last frost, harden off and transplant warm crops; direct-sow beans and corn.
MayDirect-sow the rest of the warm season (tomatoes, peppers, cucumbers, squash); keep transplants watered and mulched.
JunKeep up with harvests (lettuce, radishes, peas); succession-sow beans and quick greens.
JulPlant fall brassicas (broccoli, kale) for autumn; keep watering steady through heat.
AugStart fall greens; sow carrots and beets for late harvest; stay on top of pests.
SepPlant fall crops of lettuce and spinach; harvest summer crops at peak.
OctAround the 10/20 first frost, harvest tender crops; plant garlic for next year.
NovClean up beds, add compost, cover soil; store root crops; plan cover crops.
DecOrder next year's seeds; review what worked; start spring garden notes.

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