Rosa

So popular is this large group of deciduous or semi-evergreen flowering shrubs and climbers that thousands of varieties are grown. Some might say that no garden is complete without at least one rose.

Suitable site and soil. A rich medium loam in an open and sunny site is best. Prepare the site with well dug-in rotted manure or compost and dress the topsoil with peat.

Cultivation and care. Plant out in late autumn. Keep watered during a dry spell in spring or summer. Feed about every three weeks during the growing period, apply a mulch in spring and prune according to type of rose.

Propagation. Can be increased by seeds (species only), cuttings, budding or grafting.

Recommended varieties. There are many types of rose and thousands of varieties to choose from. A classic rose is R. ‘Peace’ a vigorous hybrid tea rose that can grow to 1.8m – 6ft and spread 90cm – 3ft, with large scented, shapely yellow flowers tinged with pink. An excellent climbing rose isR. ‘New Dawn’ . A fine modern rose is the floribunda R. ‘Iceberg’ which grows to about 75cm – 21 – 2ft high and spreads 60cm – 2ft. It produces sprays of white double flowers through summer and autumn. A good species rose variety is R. moyem ‘Geranium’ with scented, flat, blood-red flowers in summer. It grows to about 3m – 10ft.

Pests and diseases. Common problems are aphids, caterpillars, black spot, grey mould, powdery mildew and rust.

CONTRASTING CLIMBERS

Grow a climbing rose with another climber. A good mix is R. ‘New Dawn’, with Clematis x jackmanii ‘Superba’. The pink of the rose and the purple of the clematis go well together.

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