Check lettuce plants growing under cover for grey mould (botrytis) or slug damage.
Cover Cress or Corn salad plants with cloches.
Earth up brassicas as far as the lower leaves if necessary.
Support Brussels sprouts with a strong stake to each plant if not done previously.
Week No. 2 - 8th to 14th
Commence chitting seed potatoes as soon as you receive them.
If not done previously; force Rhubarb into early growth by covering the crown with a box, bucket or forcing jar to exclude light, then grow on in a temperature of around 10°C (50°F).
Alternatively; If not 'forcing' your plants cover the crowns with a mulch of well rotted manure.
Week No. 3 - 15th to 21st
If not done previously; cut down Jerusalem Artichoke haulms, and lift the tubers, then store them in sand in a cool, frost free area.
Week No. 4 - 22nd to 28th
Plant two or three potatoes in a 250mm (10") pot to get an early catch crop.