vegetable · Brassicaceae

Kohlrabi

Brassica oleracea var. gongylodes

A quick cool-season brassica with an edible swollen stem that works especially well in spring and fall successions.

Difficulty2 / 5
Cold toleranceHardy
Space per plant~0.25 ft²
ContainerYes
Supportnone
Household planning

How many kohlrabi plants?

A normal fresh-eating goal with the catalog loss buffer. Preservation needs and appetite can raise the count.

1 adult2–32 typical plants
2 adults3–54 typical plants
4 adults6–97 typical plants
Adjust household, appetite, preserving, and loss →
Season timing

When does it go in?

Typical first action3 weeks before last frost
Maturity range35–60 days
Harvest window10–25 days
Latest planting buffer60 days before fall frost

Dates are frost-relative planning windows. Soil temperature, current weather, plant condition, and cultivar instructions can move them.

Calculate dates from my frost date →
Space and harvest

What does one plant ask for?

In-row spacing4–8 in
Between rows10–18 in
Yield range0.7–1 count
Yield confidencemedium

Yield ranges assume a surviving plant and still vary with cultivar, soil, sun, weather, pests, watering, and harvest habits.

Container fit

A container can work.

1minimum gallons per plant
2recommended gallons per plant
8″minimum useful depth
Size a container for several plants →