Kale

Variety

Also called borecole, Brassica oleracea L. var. viridis L., Brassica oleracea L. Acephala, Brassica oleracea var. sabellica, Brassica oleracea

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Kale
Photo: Rasbak · CC BY-SA 3.0 · Wikimedia Commons

Fact sheet

every fact quoted from its source
Days to germination16.5–17.5 days

“Kale you plant in spring can be ready in as few as 30 days” — Kale Days to Maturity: Harvest Timeline for Home Gardeners

Days to maturity5–8 days

“Full stand 5-8 days” — Kale Germination Time Calculator - Farmer Grows

Germination temperature40–80 °F

“Temperature40-80°FCool-season germination curve” — Kale Germination Time Calculator - Farmer Grows

Water1-2 inches per week

“1-2 inches per week” — Kale Days to Maturity: Harvest Timeline for Home Gardeners

Hardiness zonesUSDA Zone 6

“USDA Zone 6” — Kale Days to Maturity: Harvest Timeline for Home Gardeners

Spacing1–4 in

“Kale is commonly sown about 1/4 to 1/2 inch deep.” — Kale Germination Time Calculator - Farmer Grows

Propagationseed

“seed” — Kale - Wikipedia

Start indoors4–6 weeks before last frost

“4-6 weeks before the last frost” — Kale Days to Maturity: Harvest Timeline for Home Gardeners

Transplant28-35 days

“Transplant check 28-35 days” — Kale Germination Time Calculator - Farmer Grows

IndoorsStart seeds indoors 4-6 weeks before the last frost.

“Start seeds indoors 4-6 weeks before the last frost” — Kale Days to Maturity: Harvest Timeline for Home Gardeners

Who grows this

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