Clematis 's Double'
Clematis 's Double'
Growth height 200 cm
Delicate blue abundance
- – Delicate pale blue, double flowers from May to August
- – Climber for trellis, obelisk and pots, up to 200 cm
- – Hardy to zone 6 – prune back to 75 cm in June
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- Colour
- pale blue
- Height
- 200 cm
- Flower size
- 8-10 cm
- Flowering period
- May to June + July to August
- Pruning / care
- cut back to 75cm in June
- Pruning group
- 2
- Hardiness
- Zone 6 -23.3 to -17.8 °C
- Supplied as
- 2 l pot, with sturdy shoots
Clematis 'Denny's Double' is held by the International Clematis Society as a nomenclatural standard: standardised on 15 May 1995 with a herbarium voucher at RHS Wisley (United Kingdom) and officially registered in 2000. Its flowers, 8 to 10 cm across, appear in a delicate pale shade of blue.
At around 200 cm, 'Denny's Double' suits trellises, obelisks and other supports, as well as container growing on balcony or terrace. The main flush appears from May to June, with a second flowering phase from July to August.
'Denny's Double' is reliably winter-hardy (zone 6, down to about -23 °C). Cut the plant back to about 75 cm in June after the first flowering to encourage the late-summer flush.
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Read here what you should bear in mind when planting and how to prepare the planting site.
Everything about pruning groups and how to interpret them for the right pruning.