Mar, Apr, May, Jan, Feb
Sow seeds individually into seed compost. Water well and place on a sunny windowsill or in a greenhouse or heated propagator.
Water the sweet peas regularly. As they grow, you'll notice roots start to emerge through the sides of the cardboard tubes.
Pinch out the growing point when seedlings have two-three pairs of leaves, to encourage bushy growth. Harden the plants off before planting out.