Due to unprecedented demand and safe working, we will not be able to deliver any orders placed THIS WEEK until after Monday, 27th April.


Clematis - 'Sylvia Denny'

Free Delivery  FREE DELIVERY On orders over £60
5 Years Guarantee For signed up members

Clematis 'Sylvia Denny'

See full product description Potted Plant

  Buy 3 or more bareroot plants and save

SIZES 1-2 3+
2.5 LITRE POT Plenty of Stock£11.40Plenty of Stock£10.80
  Prices include VAT

Please select the quantity of Bareroot plants you would like


Customers also viewed...
  • Niobe Clematis

    Clematis - Niobe

    From £11.40

  • Clematis - Comtesse de Bouchaud

    Clematis - Comtesse de Bouchaud

    From £11.40

  • Rootgrow Root Stimulant


    From £5.64

  • Clematis, Jackmanii

    Clematis - Jackmanii

    From £11.40

About 'Sylvia Denny' Clematis:

'Sylvia Denny' flowers beautifully and profusely with semi-double flowers in summer and again with single ones in September. These pure white rosette blooms are a true classic originating in Lancashire.

Perfect for container growing and spectacular against a dark background or on walls, arbors or pergolas, it's fully hardy and has a compact growth form.

If you are looking for larger, more rambling clematis take a look through our collection.

Great for your garden:

'Sylvia Denny' will be happiest in alkaline or neutral soil and will do well in full sun or partial shade in any aspect. It is vigorous and fully hardy, and flowers profusely, with only light pruning required.

This clematis is fabulous for setting off against dark hedges such as holly or yew. With a compact habit, it is contented in containers and so could be used for a more formal effect than a rambling clematis. You could shade the base with other low growing plants.

'Sylvia Denny' Clematis characteristics.

  • Flower colour: Pure, white flowers with yellow anthers
  • Flower shape: Semi-double rosettes in the summer and singles in the autumn
  • Fragrance: No scent
  • Repeating: Yes
  • Approximate flowering season: May - June, September
  • Final height and spread: 3m x 1m
  • Pruning Group 2

  • Look out for:

    Clematis slime flux. Its an uncommon bacterial infection but can be fatal. It happens when the plant has an injury and bacteria infect the wound. Signs include wilting and yellowing of the leaves, as well as the unpleasant slime in the stems where the plant is affected.

    Earwigs, aphids, and fungal infections can also affect Clematis


    The Denny family are a kind of clematis dynasty based in Lancashire. There are a whole series of clematis named after local towns and family members. This particular one was named by Stephen Denny. Sylvia and Vince Denny started the nursery and named other cultivars after their grandchildren.

    Images supplied by Clematis on the Web.

    Bareroot planting is best done between October and April
    Bareroot and potted - what's the difference?

    Hi, just a note to let you know that we do use cookies for our web site. They are used to help us determine what our customers really want and therefore to give them the best service they deserve. We also use cookies to enable you to buy products from us online and do so in a convenient and secure manner.

    Thank you, The Ashridge Nurseries Team.

    Back to top

    Leave us a message!