Clematis × cartmanii 'Avalanche' (PBR)
winter flowering clematis (group 1)
Producing a mass of creamy white flowers from late winter to early spring, this bushy evergreen clematis will thrive in a partially shaded spot that is reliably moist in summer, but offers good drainage in winter. It is hardy to -7C, although soft new growth may suffer a little damage when temperatures dip below freezing in winter. This charming climber is perfectly suited to a north- or west-facing aspect, and it will also make a fine specimen in a large pot topped with a trellis panel or obelisk.
How to care for Clematis × cartmanii Avalanche (PBR):
To avoid dry conditions, and to ensure good soil contact around the rootball, we advise planting climbers at least 30cm (12in), and preferably 45-60cm (18-24in) away from the base of a wall or fence. An even larger distance should be maintained when planting climbers beside an existing tree or shrub.
No routine pruning is necessary. If the spread of the plant needs to be restricted prune immediately after flowering, cutting back overlong shoots to healthy buds. Apply a slow-release balanced fertiliser and a mulch of well-rotted garden compost around the base of the plant in early spring.
Flowering period:
- Jan
- Feb
- Mar
- Apr
- May
- Jun
- Jul
- Aug
- Sep
- Oct
- Nov
- Dec
Eventual height:
Eventual spread:
Position:
Full sun / light shade
Rate of growth:
Average
Soil:
Moderately fertile, moist, well-drained soil
Hardiness:
Borderline hardy (will need protection in winter in colder areas)
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Humans: Skin irritant; Pets: Harmful if eaten
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