Читать книгу Home Gardener's Propagation (UK Only) - David Squire - Страница 6

Many methods of increasing plants, such as sowing seeds or layering, are only extensions of nature’s way to increase plants. Budding and grafting are seldom seen in nature, although stems and branches sometimes rub against each other and become united – but this is a rarity.

When raising plants by seeds sown outdoors, be guided by the weather and the natural cycle of the seasons; it is no good sowing seeds if soil is hard and impervious, saturated with frozen water, or cold and dry. The essential requirements for the germination of seeds are described on page 9.