Vol. IX · No. 40 Brackwater Seed Library Wednesday, 30 September 2026
The Seed Almanac
Fig. 24. Kale ‘Cavolo Nero’. Brassicaceae.

Kale ‘Cavolo Nero’

Brassica oleracea · Vegetable · No. 24

Sow under cover
Mar–Apr
Sow outdoors
Apr–Jun
Harvest
Sep–Mar
Germination
5–10 days
Spacing
45 cm in the row, 60 cm between rows
Days to harvest
60–90 from sowing
Sun
Sun or part shade
Seed saving
Hard

100 seeds per packet
10 packets on the shelf

Months for Kale ‘Cavolo Nero’
JFMAMJJASOND
Under coverMarchApril
OutdoorsAprilMayJune
HarvestJanuaryFebruaryMarchSeptemberOctoberNovemberDecember

Notes

Black Tuscan kale. Biennial; crosses with every B. oleracea — cabbage, broccoli, sprouts. Seed in its second summer.

Saving seed · Hard

Biennial or wind-pollinated. Seed comes in the second year or needs 20+ plants to stay true.

  1. Grow at least 20 plants of this variety.
  2. Biennials: store or overwinter roots, replant in March.
  3. Tell us before you start — we pool hard lots between members.

Same family · Brassicaceae

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