How long does it take to grow Purple Kohlrabi?

Purple Kohlrabi takes approximately 55 days from planting to harvest.

How much sun does Purple Kohlrabi need?

Purple Kohlrabi requires full sun (6+ hours direct sunlight per day).

Plant Purple Kohlrabi at 4/sqft (6" apart) using square foot gardening spacing.

Purple Kohlrabi is tolerant of moderate frost.

Purple Kohlrabi seeds germinate in 5-10 days at an optimal temperature of 65°F.

Start Purple Kohlrabi seeds indoors 6 weeks before your last frost date, then transplant -3 weeks after last frost.

Brassicaceae family

Days to Harvest55 days

SunlightFull Sun

Frost ToleranceModerate

Spacing4/sqft (6" apart)

Germination5-10 days

HardinessHardy

Germ. Temp65°F

Start Indoors6 weeks before last frost

Track Purple Kohlrabi from seed to harvest with personalized frost dates, watering recommendations, and companion planting visualization.