Perennials

Calamintha nepeta ssp. glandulosa 'White Cloud'
LESSER CALAMINT
  • Airy racemes of tiny, white-lipped blooms
  • Small, bushy perennial that is delicate looking but wiry
  • An alternative to Baby's Breath

HEIGHT: 30-60 cm  ·  SPREAD: 30-60 cm

Calamintha nepeta subs. nepeta
CALAMINT
  • Forms a dense, rhizomatous carpet
  • Tiny, lilac to white flowers
  • Very fragrant, gray-green foliage

HEIGHT: 30-45 cm  ·  SPREAD: 45-60 cm

Callirhoe involucrata
PURPLE POPPY MALLOW
  • Five-petaled cup-shaped magenta flowers with white centres
  • Lush green foliage forms a low ground cover
  • Behaves like an ivy

HEIGHT: 15-25 cm  ·  SPREAD: 50-80 cm

Caltha palustris
MARSH MARIGOLD
  • AKA Caltha polypetala
  • Numerous, waxy, yellow, buttercup-like flowers
  • Kidney-shaped, glossy, dark green leaves, up to 10 cm long, form low mounds

HEIGHT: 30-40 cm  ·  SPREAD: 30-40 cm

Campanula americana
TALL BELLFLOWER
  • AKA Campanulastrum americanum
  • Flat star-shaped five-lobed blue flowers with a white inner circle
  • Heart-shaped dark green hairy scalloped leaves

HEIGHT: 90-150 cm  ·  SPREAD: 30-50 cm

Campanula carpatica 'Blue Clips'
CARPATHIAN BELLFLOWER
  • Blue cup-shaped flowers rise slightly above the foliage
  • Upward-facing blooms
  • Low compact mounds of sharply toothed bright green basal leaves

HEIGHT: 20-25 cm  ·  SPREAD: 30-40 cm

Campanula carpatica 'Pearl Deep Blue'
CARPATHIAN BELLFLOWER
  • Vivid blue flowers with lighter centres
  • Upward-facing blooms
  • Low, compact mounds of sharply toothed, bright green, basal leaves

HEIGHT: 20-25 cm  ·  SPREAD: 30-40 cm

Campanula carpatica 'Pearl White'
CARPATHIAN BELLFLOWER
  • An improved selection on the older Clips series
  • Upward-facing, white blooms
  • Low, compact mounds of sharply toothed, bright green, basal leaves

HEIGHT: 20-25 cm  ·  SPREAD: 30-40 cm

Campanula carpatica 'White Clips'
CARPATHIAN BELLFLOWER
  • White cup-shaped flowers rise slightly above the foliage
  • Upward-facing blooms
  • Low compact mounds of sharply-toothed bright green basal leaves

HEIGHT: 20-25 cm  ·  SPREAD: 30-40 cm

Campanula garganica 'Dickson's Gold'
ADRIATIC BELLFLOWER
  • AKA Campanula elatines var. garganica 'Dickson's Gold'
  • Profuse clusters of star-shaped, bright blue-violet flowers
  • Gold leaves are small and kidney-shaped with a very jagged edge

HEIGHT: 10-15 cm  ·  SPREAD: 15-30 cm

Campanula glomerata 'Alba'
CLUSTERED BELLFLOWER
  • Clusters of white trumpet-shaped flowers form loose globes
  • Clusters can have up to 15 flowers each
  • Low clumps of large forest-green leaves

HEIGHT: 60-70 cm  ·  SPREAD: 50-70 cm

Campanula glomerata 'Superba'
CLUSTERED BELLFLOWER
  • Clusters of rich purple trumpet-shaped flowers form loose globes
  • Clusters can have up to 15 flowers each
  • Low clumps of large forest-green leaves

HEIGHT: 60-70 cm  ·  SPREAD: 50-70 cm

Campanula persicifolia 'Takion Blue'
PEACH-LEAVED BELLFLOWER
  • Large, open, outward-facing, violet-blue flowers
  • Long, narrow, dark green, basal leaves
  • Dwarf selection

HEIGHT: 40-50 cm  ·  SPREAD: 30-40 cm

Campanula persicifolia 'Takion White'
PEACH-LEAVED BELLFLOWER
  • Large, open, outward-facing, white flowers
  • Long, narrow, dark green, basal leaves
  • Dwarf selection

HEIGHT: 40-50 cm  ·  SPREAD: 30-40 cm

Campanula portenschlagiana
DALMATIAN BELLFLOWER
  • AKA Campanula muralis
  • Deep blue star-shaped flowers rise above the mound of foliage
  • Low-growing perennial suitable for front borders or rock gardens

HEIGHT: 20-30 cm  ·  SPREAD: 60-80 cm

Campanula portenschlagiana Blue Waterfall™ ('Camgood') (PP13161, COPF)
BLUE WATERFALL™ BELLFLOWER
  • Violet-blue star-like flowers
  • Individual petals are narrower than other campanula
  • Blooms rise slightly above the foliage

HEIGHT: 15-20 cm  ·  SPREAD: 45-60 cm

Campanula rotundifolia
HAREBELL
  • Dainty bell-like light blue flowers held on upright stems
  • Buds are upright but flowers nod when open
  • Heart-shaped fine-toothed basal green leaves form low clumps

HEIGHT: 30-60 cm  ·  SPREAD: 20-45 cm

Campanula x 'Pink Octopus' (PP18885, COPF)
BELLFLOWER
  • Japanese-lantern-like buds open to pink drooping flowers with narrow petals
  • Very floriferous and long blooming
  • Compact mounding ground cover with strong deeply-cut oval leaves

HEIGHT: 30-45 cm  ·  SPREAD: 40-50 cm

Catananche caerulea
CUPID'S DART
  • Unique buds open to light blue cornflower-like flowers with dark centres
  • Flowers appear on tall, thin stems
  • Foliage is made up of linear, gray-green, grass-like leaves

HEIGHT: 30-60 cm  ·  SPREAD: 30-45 cm

Caulophyllum thalictroides
BLUE COHOSH
  • Insignificant yellowish-green flowers
  • Flowers finish and leave behind berry-like seeds
  • As the seeds age, they take on a blue colour

HEIGHT: 45-70 cm  ·  SPREAD: 50-60 cm

Centaurea dealbata
PERSIAN CORNFLOWER
  • Unique rosy-pink flowers
  • Clumps of deeply-lobed gray-green leaves
  • Leaves have a silver underside

HEIGHT: 40-60 cm  ·  SPREAD: 75-90 cm

Centaurea montana
BACHELOR'S BUTTON
  • Other common names: Mountain Bluet
  • Deep blue cornflowers up to 6 cm across, with reddish-blue centres and black-edged bracts
  • Clump-forming perennial with gray-green strap-like leaves, up to 20 cm long

HEIGHT: 40-60 cm  ·  SPREAD: 50-60 cm

Centranthus ruber
RED VALERIAN
  • Fragrant carmine-rose star-shaped flower clusters
  • Well-branched clumping perennial
  • Grayish-green oval to lance-shaped leaves up to 10 cm long

HEIGHT: 60-80 cm  ·  SPREAD: 50-70 cm

Centranthus ruber 'Albus'
WHITE VALERIAN
  • Fragrant star-shaped white flower clusters
  • Well-branched clumping perennial
  • Oval to lance-shaped grayish-green leaves up to 10 cm long

HEIGHT: 60-80 cm  ·  SPREAD: 50-60 cm