Clematis cirrhosa ‘Lansdowne Gem’
This evergreen and easy to grow clematis produces nodding cream bell-like flowers with claret inside approximately 4-5cm in diameter. Flowers from late winter to spring. Pruning group 1 so no pruning required. If a tidy up is needed it should be conducted shortly after flowering concludes. Evergreen and a climber to 6 mtrs once mature.
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Clematis Pruning
Clematis are not difficult to grow provided a few simple measures are observed: Prepare the soil for these clematis by digging as deeply as possible a patch 60-80cm across and incorporating compost. Animal manures should not be used. A dusting of ground lime should be added if the soil isn’t alkaline. Plant each of these clematis 4cm deeper than it is in the pot. We grow quite a few Clematis species and hybrids in our garden and I’m often asked how we go about pruning them.
Clematis can be divided into four groups depending on their pruning needs.
Pruning Group One
This includes the popular and easily grown C. montana and the less well known but beautiful C. armandii. These species flower in early spring on the previous season’s growth and generally don’t need any pruning at all. If a bit of tidying up needs to be done it should be done after flowering.
Pruning Group Two
These clematis flower on both the previous season’s growth as well as on new growth. Generally they aren’t pruned in winter. After the spring flowering prune them back about half way to promote vigorous new growth and a second summer/autumn flush.
Pruning Group Three
These clematis flower on the new growth and include the later flowering large hybrids as well as all of the C. viticella varieties. Cut them down to strong buds near to ground level during winter. They will flower during late spring and early summer. When the first flush is over cut back to about 30cm to encourage another blooming during late summer and autumn.
Pruning Group Four
This group which includes C. maximowicziana and C. ‘Golden Tiara’ flowers on new season’s wood during summer and autumn and should be cut back to 30-50cm during winter.
It is hard to think of another plant that offers so much reward so it is well worth attending to their few simple needs.