Delicacy White Kohlrabi

Delicacy White Kohlrabi


65 days. Light, minty green skin. In our winter trials, when most other kohlrabi had split open and succumbed to the weather, this powerhouse duo kept looking and tasting wonderful. Both Delicacy White and Purple can be harvested when the bulbs reach tennis ball size, but when left to grow slightly larger, they still remain tender. Crisp, delectable flesh is great on a veggie platter, or grated and incorporated into your favorite slaw.

Winter Growing Information

   Open Pollinated
Approximately 150 seeds per 1/2 gram.
  • KH351/S
  • 1/2 gram
  • $2.45

  • KH351/P
  • 4 grams
  • $4.95

  • KH351/B
  • 1/2 oz
  • $10.95

  • KH351C1
  • 1 oz
  • $15.35

  • KH351C2
  • 1/4 lb
  • $39.40

  • KH351C3
  • 1 lb
  • $85.50
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Seed DepthSeed SpacingSoil Temp for Germ.Days to Germ.Thin Plants To Approximately 150 seeds per 1/2 gram.

Brassica oleracea, Gongylodes Group: Once a common vegetable, this curious brassica family crop had fallen into unfortunate obscurity, only recently being rediscovered by many present-day gardeners. Its crisp, mildly sweet bulb has a hint of apple, can be enjoyed raw or cooked, and provides lots of fiber, vitamins C and B6 along with copper, potassium, and manganese.

FOR TRANSPLANTS: Start seeds 4-6 weeks before your last frost date. Sow in sterile seedling mix. Keep the seed bed moist for best germination. Transplant outside when there are 6-8 true leaves and nighttime temperatures remain above 30°:F.
TO DIRECT SOW: Sow outdoors as soon as the ground can be worked in the spring. Sow seeds in rows 12-18 inches apart. Keep the seed bed moist.
CULTURE: Fertilize with 1 cup of our complete fertilizer, or equivalent, per 10 row feet, either banded below the seeds or worked in around the transplants. Thin plants if direct sown. For extended harvests, stagger your plantings through the month of April. Sowings can resume from late July to early August. May and June sowings should be avoided as they result in kohlrabi maturing in the hottest weather, producing dry woody bulbs.
INSECTS/PESTS: See Brassica Insect Information below.
DISEASE: The home gardener can help prevent viral and fungal kohlrabi diseases by practicing long crop rotations, using sterile starting mixes if transplanting, and practicing general sanitation procedures.
HARVEST: For tender, sweet, spring-sown kohlrabi, harvest when less than 2 inches in diameter. Fall-grown kohlrabi is less likely to get woody as it gets larger. Kohlrabi is hardy to about 10°F. Some years the plants have remained good in our trials until Christmas, when they are 4-5 inches in diameter. Store at 34°F and 95% relative humidity.
SEED SPECS: Minimum germination standard: 80%. Days to maturity are calculated from date of direct seeding. Usual seed life: 3 years.

Brassica Insect Information
Aphids: Control aphids with a hard spray of water, Hot Pepper Wax, Insect Killing Soap, or Pyrethrin. Also, select varieties that mature later in the season when aphid populations decline.
Cabbage worms, loopers, and root maggots: The first sign of cabbage worms will be white diamond-back moths fluttering near the plants They lay their yellowish-colored eggs on the undersides of leaves, which hatch into caterpillars that can cause severe root and head damage. To control light infestations, spray plants with Bacillus thuringiensis (BT). For heavy infestations, bait cabbage worms by mixing wheat bran into a BT solution. Add 1 tablespoon of molasses. Broadcast the bran mixture around the base of plants. Reapply as necessary. Using Reemay or Grow Guard 20, can also provide control.
Flea beetles: Flea beetles chew tiny pinholes in leaves. Early control is essential to minimize the damage. Spray young plants with Pyrethrin every 2 days. Using floating row covers such as Summer Insect Barrier can also provide control.
Symphylans: In some areas of the US, symphylans (also known as garden centipede) can severely retard the plant growth of cole crops. Only 1/4 inch long, white, and very active, they eat the root hairs of developing plants. Contact your local county extension agent if you suspect you have a problem.