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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
Campanula carpatica Rapido Blue
  • 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
Campanula carpatica Rapido White
  • 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
Ceratostigma plumbaginoides
  • 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
Chelone glabra
Native
  • Common Name: White Turtlehead
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: sun t
  • Bloom Time: late summer
Chelone glabra photo Missouri Botanical Garden
Chelone lyonii Hotlips
  • 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
Chelone obliqua alba
Native
  • Common Name: White Turtlehead
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: sun to partial shade
  • Bloom Time: late summer
Chelone obliqua Alba photo courtesy of Jellito Seeds
Chick Charms Sempervivum Gold Mine
  • Common Name: Hens and Chicks
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: minimum 4 hours of direct sun
Chick Charms Sempervivum 'Gold Mine'
Coreopsis Jethro Tull
  • Common Name: Tickseed
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun
  • Bloom Time: early to midsummer
Coreopsis 'Jethro Tull' photo courtesy of Walters Gardens
Coreopsis verticillata Moonbeam
  • Common Name: Thread Leaf Coreopsis
  • Cold Hardiness: Zone 4 -9
  • Sun or Shade: minimum 6 hrs direct sun
  • Bloom Time: early - late summer
Coreopsis verticillata 'Moonbeam' photo courtesy of Walters Gardens
Coreopsis verticillata Zagreb
  • Common Name: Threadleaf Coreopsis
  • Cold Hardiness: Zone 3
  • Sun or Shade: sun
  • Bloom Time: early summer
Coreopsis verticillata 'Zagbred' photo courtesy of Walters Gardens
Cornus canadensis
  • 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
Crocosmia Lucifer
  • Common Name: Montbretia
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun
  • Bloom Time: summer
Crocosmia 'Lucifer' photo courtesy of Walters Gardens