Planting timing

When to plant kohlrabi

Plant kohlrabi on the cited sheets — not on a national calendar month. Regional and season notes stay source-specific.

Save this bed — free How we know

Growing guidance is general information. Timing, spacing, and care depend on cultivar, weather, soil, and local conditions. Check the sources and adjust the plan for your garden.

Dates stay on the named cards below — not one planting window.

Spacing notes live on how to grow kohlrabi.

What the sources say — at a glance

One source per card. Facts are not averaged.

UMN Extension (Minnesota)

Mid-April to early May, and July. Indoor start early April.

Details and limits (3)

When
UMN Extension (Minnesota): direct seed kohlrabi in the garden from mid-April until early May, and again later in July.
When
UMN Extension (Minnesota): start seeds indoors in early April, or four to six weeks before transplanting.
Limit
Not one BioArva calendar and not a ZIP tool.

Maryland Extension (Maryland)

April–mid-May and early July–mid-August.

Details and limits (2)

When
Maryland Extension (Maryland): kohlrabi, spring April through mid-May, plant seeds directly in the ground. Fall, early July through mid-August. Central Maryland calendar.
Limit
Not one BioArva calendar and not a ZIP tool.

Illinois Extension (Illinois)

Early spring.

Details and limits (2)

When
Illinois Extension (Illinois): sow seeds in early spring.
Limit
Not one BioArva calendar and not a ZIP tool.

Sources differ

Timing stays comparison only: Minnesota mid-April until early May and later in July, indoor start early April or four to six weeks before transplanting; Maryland April through mid-May and early July through mid-August; Illinois early spring. Not one BioArva calendar and not a ZIP tool.

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Save the bed in the Field Book so next season is not a guess.

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Verified suppliers only

No supplier on this page

When a partner is listed, it will be outbound and disclosed. Nothing to buy here. Fertilizer, soils, and pesticides stay off this slot.

How we verify suppliers

What to record in the Field Book

Save the bed with the crop and the date. You may add a photo and notes. Compare entries you have recorded with each other — not with a diagnosis from this page. If you want an identification, bring the record to local Extension.

How we know — methodology. Ranges and assertions are cited per source, not blended.