Banish Weeds Gardening System.
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Where to sow Outdoors in a seed bed
Site/Soil Unshaded - rich, moisture retentive - not freshly manured (best done previous Autumn) - lime soil if acid.
Avoid planting in an area where the previous crop was of the brassica family.
Sowing time Early March under cloches
Late March to mid April
How to sow and after care Sow brussel sprout seeds very thinly in drills 1.2cm (½ inch) deep with about rows 15cm (6 inches) between rows.
As the brussel sprout seedlings grow, thin them out to about 7.5cm (3 inches) apart.
Once the brussel sprout plants are 10 to 15cm (4 to 6 inches) high (late May/early June), transplant them to the final growing position. Water the rows in the seed bed the day before lifting. Plant the brussel sprout seedlings in rows with their lowest leaves just above the soil level and spacing the plants about 75cm (2½ ft) apart.
Time from sowing to harvest About 28 weeks (early varieties)
About 36 weeks (late varieties)