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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
Calamintha nepeta ssp glandulosa 'White Cloud'
35-45 cm (14-18 in)
New for 2026
  • Common Name: Calamint
  • Cold Hardiness: Zone 4
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: early summer to early fall
Calamintha nepeta ssp glandulosa 'White Cloud' photo North Creek Nurseries
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
Campanula poscharskyana Blue Waterfall
  • Common Name: Serbian Bellflower
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun to partial shade
  • Bloom Time: early summer
Campanula poscharskyana Blue Waterfall
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 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
Chrysanthemum Mammoth Red Daisy
  • Common Name: Hardy Mum
  • Cold Hardiness: Zone 3
  • Sun or Shade: sun to partial sun
  • Bloom Time: deer
Chrysanthemum 'Mammoth Red Daisy' photo courtesy of Paridon Horticultural
Chrysanthemum Mammoth Coral
  • Common Name: Garden Mum
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: sun to light shade (minimum 4 hours of direct sun)
  • Bloom Time: late summer to fall
Chrysanthemum 'Mammoth Coral' from Growing Colours
Coreopsis Double the Sun
  • 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
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 Uptick Red
New for 2026
  • Common Name: Tickseed
  • Cold Hardiness: Zone 4
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: early summer to late summer
Coreopsis 'Uptick Red' 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
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