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RHS Online: Gardening for All
 

Advice

Naturalising bulbs

Scatter bulbs randomly for a natural look. Photograph copyright Dorling KindersleyNaturalised bulbs can give interest to areas of the garden that otherwise might not be given over to flowering plants.

Under deciduous trees you can use bulbs that flower in spring or autumn when the trees have few leaves to cast deep shade. Suitable bulbs include anemones, crocuses and scillas and hardy cyclamen such as C. hederifolium and C. coum.

In areas of grass choose bulbs that complete their growth early, such as crocus or robust species that can compete with the grass. Most of the larger daffodil hybrids do well in grass but leave at least six weeks after flowering before mowing.

Plant using a bulb planter. Photograph copyright Dorling KindersleyWhen planting bulbs for naturalising scatter them randomly over the chosen area and plant them where they fall. As these bulbs will be in place for several years avoid planting too close as overcrowding will reduce flowering. Dig planting holes with a trowel or, in grassed areas, use a bulb planter. If possible break up the underside of the core to cover the bulb with loose soil. Plant bulbs about three times the depth of the bulb as shallow planting tends to weaken the bulbs as they are more prone to drying out.

Plant with a trowel. Photograph copyright Dorling KindersleyReplace soil and turf over bulb. Photograph copyright Dorling Kindersley

When planting small bulbs, such as crocus, in areas of grass, lift or roll back sections of turf. Fork over the soil and add a little balanced fertiliser. If possible, score the underside of the turf with a hand fork to loosen the soil before replacing it. Firm the turf by hand or by gently tamping with the back of a rake.

 

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