a b c d e f g h i j k l m n o p q r s t u v w x y z #
  • Common Name: Catmint
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: sun
  • Bloom Time: early summer to early fall
Calamintha 'Marvelette Blue' photo courtesy of Walters Gardens
Calamintha nepeta spp nepeta
American Perennial Plant Association Perennial of the Year 2021
  • Common Name: Dwarf Calamint
  • Cold Hardiness: Zone 3
  • Sun or Shade: sun
  • Bloom Time: early summer
Calamintha nepeta spp nepata photo Suzanne Patry
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: sun to part shade (minimum 4 hrs of direct sun)
  • Bloom Time: late spring to late summer
Campanula carpatica Rapido Blue
  • Common Name: Carpathian Bellflower
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: sun to part shade (minimum 4 hrs of direct sun)
  • Bloom Time: early to late summer
Campanula 'Rapido White' photo courtesy of Walters Gardens
  • Common Name: Peach Leaved Bellflower
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: minimum 4 hours of direct sun
  • Bloom Time: early to late summer
Campanula persicifolia 'Takion Blue' photo courtesy of Walters Gardens
  • Common Name: Bellflower
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: sun to part shade (minimum 4 hrs of direct sun)
  • Bloom Time: summer
Campanula 'Clockwise Deep Blue' photo courtesy of Syngenta Flowers
  • Common Name: Plumbago, Leadwort
  • Cold Hardiness: Zone 5
  • Sun or Shade: sun to partial shade
  • Bloom Time: late summer to early Fall
Ceratostigma plumbaginoides photo courtesy of Walters Gardens
  • Common Name: Pink Turtlehead
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun to partial shade
  • Bloom Time: late summer
Chelone lyonii 'Hotlips' photo Suzanne Patry
  • Common Name: Hardy Mums
  • Cold Hardiness: Zone 3-9
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: fall
Chrysanthemum 'Mammoth Lavender' from Growing Colours
Coreopsis Double the Sun
Available mid May
  • Common Name: Tickseed
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: minimum 4 hours of direct sun
  • Bloom Time: early to late summer
Coreopsis Double the Sun
  • Common Name: Tickseed
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: sun
  • Bloom Time: summer
Coreopsis 'SunKiss' photo courtesy of Walters Gardens
  • Common Name: Tickseed
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun
  • Bloom Time: early to midsummer
Coreopsis 'Jethro Tull' photo courtesy of Walters Gardens
  • Common Name: Threadleaf Coreopsis
  • Cold Hardiness: Zone 3
  • Sun or Shade: sun
  • Bloom Time: early summer
Coreopsis verticillata 'Zagbred' photo courtesy of Walters Gardens
  • Common Name: Bunchberry
  • Cold Hardiness: Zone 2-6
  • Sun or Shade: part to full shade
  • Bloom Time: late spring to early summer
Cornus canadensis photo
  • Common Name: Montbretia
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun
  • Bloom Time: summer
Crocosmia 'Lucifer' photo courtesy of Walters Gardens