Malcolm
Oviatt-Ham
Ely House
Green Street
Willingham
Cambridge, CB4 5JA
Tel: +44 (0) 1954
261654
Fax: +44 (0) 1954 260481
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Early Summer Hybrids
Double Flowering Hybrids
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Other Species Clematis
Copyright © 2001 - 2003
Malcolm Oviatt-Ham
DOUBLE FLOWERING CLEMATIS
Most of you who read this will already know that it is only the early summer flowers that are double . In most cases the late summer flowers are single. There are a couple of reliable exceptions which are mentioned individually. I am told that these varieties are less able to withstand cold winters than others without significant damage.
NAME AND DESCRIPTION
BEAUTY OF WORCESTER
Deep blue flowers over a long period said to be double in spring I hope
you see more of the doubles than I do! still worth growing, the blue is
clear and clean Height to 2m
BELLE OF WOKING
Pale silvery lilac mauve double flower which seems too heavy for the stems
to support. Ideally always grown through a supporting shrub.
CHALCEDONY
Large pale silver blue double flowers similar to Belle of Woking but the
plant is completely different with good vigour and attractive foliage
COUNTESS OF LOVELACE
Delicate pale lilac blue double with a very neat appearance of overlapping
tepals. Can be difficult to establish and not very long lasting but worth
all the effort.
DANIEL DERONDA
Spring flowers semi double strong indigo purple colour surrounding yellow
centre . Single later usually quite a vigorous grower good deep green
foliage
DENNY'S DOUBLE
Very neat light ice blue double from the well respected stable of Vince
Denny, I am told that the autumn flowers are also double but I cannot
confirm this as yet.
DUCHESS OF EDINBURGH
Large double white flowers in spring often with green edges to the tepals
especially during cooler spells of weather. Often a pleasant scent can
be detected. Can be slow to establish.
HIKARU GENGI
Loose double in light to medium blue often showing contrasting stamens
KATHLEEN DUNFORD
Flowers semi double tepals nicely pointed colour rosy mauve yellow centre.
Not often seen.
KIRI TA KANAWA
Purple blue double flowers which tend not to be too large to be decent.
I find it very floriforous.
LOUISE ROWE
Single and double pale lilac flowers at same time, which is most unusual
.Quite a good plant.
MRS.JAMES MASON Double at first flowering violet blue with red bar, frilly edges to tepals
MRS.SPENCER CASTLE
Vigorous. First flowers semi double in crushed strawberry with cream centre.
Height to 5m
MULTI BLUE
The only clematis to carry double flowers on new growth later in the season.
Clear dark mid blue with a spiky centre. Growth some what lax. Pruning
optional
PROTEUS
Double rose lavender at first followed by single flowers for rest of summer
P T JAMES
An North American double. Clear mid blue upper tepal with a contrasting
white blue underside. Not too neat which enhances the contrast.
ROYALTY
Similar in shape and colour to Vyvyan Pennell but only a darker blue purple
not so vigorous either.
SYLVIA DENNY
Semi double clear white good shape with none of the usual green tinges.
On the older double whites
THE VAGABOND
Dark purple blue I think best described as a semi double of a slightly
untidy form.
VERONICA'S CHOICE
Full double in soft french grey. Has the vigour that other find difficult
to match. Attractive.
VIOLET ELIZABETH
Pinkish with a hint of blue in a double form. Described by Pennells the
raiser as mauve pink. It is fully double.
VYVYAN PENNELL
Classic double in blue tinged with red towards the centre. The single
autumn flowers I find very disappointing.
WALTER PENNELL
A double with a greyish centre surrounded by deep lilac tepals with a
crimson bar. I think that it is much to be preferred to the female of
the family!
YUKIO KOSHI
Smallish double white flowers with a hint of green, not too neat but neither
are the flowers untidy. Has always performed well for me.