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House & Hedgea plant care scheduler
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Entry 129 · shrub

Rose

Rosa hybrids · Rosaceae
At a glance
Lightfull sun
WaterEvery 5 days in the growing season, every 21 in winter
Humiditymedium
Difficultymoderate
HeightUp to 150 cm (59 in) tall
PetsCats safe, dogs safe
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Source: ASPCA Animal Poison Control, toxic and non-toxic plants, Rose entry.

A rose is a hedgerow shrub that has been bred for two hundred years to hold its flowers open, and it still wants what the hedgerow gave it: sun on its head, moisture at its roots, and wind through its middle. Bare root plants are lifted while dormant and sold from about November to March in the north and through the dry winter in South Africa, which is why July is the traditional rose planting month there. Plant so the graft union sits at soil level, firm it hard, and water it in even in the rain. The first summer decides the plant. Two long soaks a week beat a daily sprinkle, because the roots follow the water down. Prune hard in late winter, feed as the buds break, and take the fallen leaves away rather than composting them.

Ailments observed

Spots on the leavesBlack spot, a fungus that overwinters on fallen leaves. Pick off and bin the marked leaves, clear every leaf from under the bush in autumn, and water the soil rather than the foliage.
White powder on the leavesPowdery mildew, from dry roots and stagnant air. Soak the ground properly and thin the centre of the bush so air can move through it. Mildew is a drought signal more than a damp one.

Filed underPlants that will not poison the cat

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