Vol. IX · No. 40 Brackwater Seed Library Wednesday, 30 September 2026
The Seed Almanac
Fig. 22. Spinach ‘Giant Winter’. Amaranthaceae.

Spinach ‘Giant Winter’

Spinacia oleracea · Vegetable · No. 22

Sow under cover
—
Sow outdoors
Mar–May, Aug–Sep
Harvest
Apr–Jun, Oct–Dec
Germination
7–14 days
Spacing
15 cm in the row, 30 cm between rows
Days to harvest
45–60 from sowing
Sun
Light shade
Seed saving
Hard

100 seeds per packet
6 packets on the shelf

Months for Spinach ‘Giant Winter’
JFMAMJJASOND
OutdoorsMarchAprilMayAugustSeptember
HarvestAprilMayJuneOctoberNovemberDecember

Notes

Hardy spinach for autumn sowing. Wind-pollinated with separate male and female plants; needs 20 or more plants for seed.

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 · Amaranthaceae

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