A reliable, open pollinated purple kohlrabi available as certified organic seed. Azur Star’s slightly flattened globes have vibrant purple skin, upright purple stems, and a crisp white interior. Crunchy and sweet when eaten raw, try grating it for a fresh salad or slaw. Very good uniformity for an open pollinated variety.
Timing: Direct sow several times during the four to six weeks after the last frost date for a crop to mature starting in about 8 weeks. Sow again after mid-July to early August for fall and winter crops. Planting between mid-May and mid-July causes kohlrabi to mature in hot weather, resulting in inferior bulbs. In short season areas, start kohlrabi indoors in cell trays about 4 weeks before the last frost date and transplant out once day time temperatures are steadily above 10°C (50°F). Optimal soil temperature for germination: 10-30°C (50-85°F). Seeds should germinate in 7-10 days.
Starting: Sow seeds 5mm (¼”) deep with plants spaced 10-15cm (4-6″) apart in rows 30-45cm (12-18″) apart.
Growing: Ideal pH: 6.0-6.8. Kohlrabi is a moderate to heavy feeder that does best in humus-rich soil amended with composted manure. Mix ¼-½ cup complete organic fertilizer into the soil under each plant.
Harvest: Spring-sown kohlrabi will get larger than tennis balls in fair soil, but if you pick them when they are still less than 5-8cm (2-3″) in diameter they will be sweet and tender. Fall-grown kohlrabi can grow larger yet stay tender. Kohlrabi is frost-hardy, and may last well beyond Christmas in mild winter areas.
Diseases & Pests: Protect from cabbage moths and other insect pests with floating row cover. Prevent disease with a strict 4-year crop rotation; avoiding planting Brassicas in the same spot more than once every four years.
Companion Planting: A worthy companion for beets, Brassicas, cucumbers, and onions. Avoid planting near peppers, pole beans, strawberries, and tomatoes.
Approx. 45 seeds

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