Cultivar

Flower Color

Time of
Bloom

Height and Width
in approx. 4 yrs

Foliage

Winter

Foliage

Comments

C.W. Nix *

crimson

Aug-Oct

open erect 14” x 24”

dark green

delicate looking foliage

Caerketton White *

white

July-Sept

tidy spreading

10” x 18”

medium green

Cairnwell *

lilac pink

Aug-Sept

prostrate 4” x 8”

gold

red

from Sweden, hardy

Caleb Threlkeld *

lavender

Aug-Sept

carpeting  2-4” x 18”

dark green

ours is 2” tall

Calf of Man *

white

Aug-Sept

prostrate 6” x 12”

bright green

Californian Midge *

lavender

Aug-Sept

neat tight mound 12” x 16”

emerald green

Carl Röders *

double reddish purple

Aug-Sept

erect 16” X 22”

dark green

blooms well

Carmen *

crimson

Aug-Sept

open vigorous

12” x 22”

dark green

sport of ‘Barnett Anley’

Carmina *

crimson

July-Sept

dark green

Carole Chapman *

white

Aug-Oct

18” x 22”

gold all year

slow growing

Cassa

rose pink

Aug-Sept

broad upright  10” x 18”

light green

spring tip yellow/red

Dutch translation  means cash.

Catherine Anne *

pink purple

Aug-Oct

compact 6" x 14"

gold/green

gold/orange/green

Celtic Gold *

white

Aug-Sept

open erect

12” x 18”

bright gold

Charmglo *

pink buds

Aug-Nov

20” x 20”

medium green

Chase White *

white

Aug-Sept

low 8” x 20”

bright green

very hardy

Christin *

crimson buds

Sept-Nov

12” x 20”

dark green

Christina *

white

Sept-Oct

vigorous upright

20” x 26”

yellow green

clear yellow

very nice plant

Cilcennin Common *

purple red buds

Aug-Sept

low open arching

12” x 14”

dark green

Clare Carpet *

pale shell pink

Aug-Sept

prostrate 2” x 18”

light green

from Ireland

carpets well

Colette *

crimson

Aug-Sept

broad erect         10” x 14”

dark lime green

orange tips to red brown

Con Brio *

ruby

Aug-Sept

upright 14” x 18”

yellow green

bronze red

sport of ‘Allegro’ nice plant

Copper Glow *

mauve

Aug-Sept

upright vigorous

14” x 22”

yellow green copper tips

bronze

Copper Splendour *

mauve

Aug-Sept

strong erect 16” x 24”

orange/yellow

red/copper

sport of ‘Manitoba’

Coral Island *

lavender

Aug-Sept

soft 10" x 16"

gold tinted

orange

to red

Corbett’s Red *

crimson

Aug-Oct

spreading 10” x 16”

dark green

long racemes

Corbett’s White *

white

July-Aug

erect 20” x 24”

bright green

blooms profusely

Corita *

white

Aug-Sept

16-20” x 24”

gold green

Cottswood Gold

white

Aug-Sept

upright 12” x 24”

bright yellow

County Wicklow  * +

large double
shell pink

July-Oct

low compact

12" x 18"

medium green

excellent

Cramond *

deep double pink

Sept-Nov

upright 18” x 24”

dark green

large flowers

Cream Steving *

white

Aug-Sept

upright 16” x 24”

bright green

spring tips cream

we like this one

Crimson Glory *

deep lilac pink

Aug-Sept

broad spreading

8” x 18”

gold

orange

Crispa *

(Crinkly Tuft)

white

Aug-Sept

12” x 12”

light green

foliage  crinkly tufts

Crowborough Beacon *

mauve

Aug-Sept

12" x 20"

dark green

spring tips cream
orange, red

earlier than 'Spring Torch' 

Cuprea *

lavender

Aug-Oct

upright 12" x 12"

copper

bronze red

compact upright