The vital time to counteract frost damage to fruit blossom is April to late May. A sure sign of frost is a low day temperature when east or north winds are blowing, yet at the same time the glass is high, and particularly if the night is clear and calm. Give protection in any way you can — litter, bracken, ashes, peat etc., covering fruit bushes with tiffany or muslin over the buds, or use a sack with side seams cut to give greater covering. Wall-grown fruit trees, such as plums, cherries or peaches, can be protected by a screen of hessian — fish netting is ineffective. These coverings should be removed during the daytime. For early seedlings, cover with flower pots.

A motor radiator lamp is enough in the average greenhouse or cold frame. Protection can be given in the greenhouse, or even in the open to choice plants, by grouping together and then putting a boxing of boards on all four sides, with a motor radiator lamp in centre (consumption I pint a week) and a sheet of brown paper over all. Frost fatalities can be avoided among such small plants as polyanthus. They are best divided in spring. Autumn division results in loss because the frost forces roots to the surface with fatal results unless watched and pressed back and protected. The same applies to seedling anemones, lupins, etc., if sown late.

To revive plants m to have died through frost-bite, water with cold, not lukewarm water, before the sun is up and they will often recover.

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