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February / March
Start to prune repeat-flowering Shrub roses back to the previous year's
pruning height. Rake up any fallen rose leaves and remove any leaves that
have over-wintered on the plants. Spray with fungicide and aphicide - these
can be mixed together- as soon as the buds break. Follow this up two weeks
later with a different fungicide. Correct any mineral deficiencies
April
Continue the spray programme. Watch out for dry spells with young roses
and water if necessary
Late May
/ Early June
Prune the vegetative shoots on once-flowering Shrub roses as soon as the
calyx splits. Remove non-flowering shoots (known as fishing rods) on Ramblers
and once-flowering Climbers. Start dead-heading roses in flower and watch
out for proliferation (green centres) on susceptible varieties, which should
be pruned.
Late
July / August
Prune the vegetative shoots again and tidy up any non-hipping once-flowering
varieties. Stop dead-heading repeat-flowering roses. Spread well-rotted
compost or manure around the roses. Keep spraying any varieties still showing
disease and note these for Winter washing.
Late September
/ October
Transplant any roses that need to be moved. Start pruning Climbers and
Ramblers leaving any varieties with hips for later in the Winter. Start
pruning once-flowering shrubs as the weather permits, especially if the
roses are under-planted with bulbs or early Spring flowers.
November
/ December
Continue pruning Shrub roses. As the hips fall off, prune both Shrubs and
Ramblers. Winter-wash any roses that have been infected with fungal disease
(10ml. Armrillatox to a watering can of water). Spread well rotted compost,
manure or wood ash around the roses.
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