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 #
Allium Millenium
  • Common Name: Ornamental Onion
  • Cold Hardiness: Zone 4
  • Sun or Shade: Sun
  • Bloom Time: mid summer
Allium 'Millenium' photo courtesy of Walters Gardens
Allium Pincushion
  • Common Name: Ornamental Onion
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: minimum 4 hours of direct sun
  • Bloom Time: late summer to early fall
Allium 'Pincushion' photo courtesy of Walters Gardens
Allium Serendipity
Proven Winners Introduction
  • Common Name: Ornamental Onion
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: full sun
  • Bloom Time: mid to late summer
Allium 'Serendipity' photo courtesy of Walters Gardens
Allium Windy City
  • Common Name: Ornamental Onion
  • Cold Hardiness: zone 4-8
  • Sun or Shade: minimum 4 hours of direct sun
  • Bloom Time: mid summer
Allium 'Windy City' photo Monrovia Doreen Wynja
Amsonia Blue Ice
  • Common Name: Blue Star
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun to partial shade
  • Bloom Time: late spring to early summer
Amsonia Blue Ice photo courtesy of Walters Gardens
Amsonia hubrichtii
  • Common Name: Arkansas Blue Star
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun to partial shade
  • Bloom Time: early summer
Amsonia hubrichtii photo courtesy of Walters Gardens
Amsonia String Theory
Available mid June
Proven Winners Introduction
  • Common Name: Bluestar
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: minimum 4 hours of direct sun
  • Bloom Time: late spring to early summer
Amsonia 'String Theory' photo courtesy of Walters Gardens
Amsonia tabernaemontana Storm Cloud
  • Common Name: Blue Star
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: full sun to part sun
  • Bloom Time: late spring
Amsonia
Amsonia tabernaemontana var. salicifolia
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: minimum 4 hours of direct sun
  • Bloom Time: late spring to early summer
Amsonia tabernaemontana var. salicifolia
Anemone Curtain Call Deep Rose
  • Common Name: Japanese Anemone
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: Sun to partial shade
  • Bloom Time: Late summer to early fall
photo of Anemone 'Curtain Call Deep Rose'
Anemone Fall in Love Sweetly
  • Common Name: Japanese Anemone
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: sun to light shade (minimum 4 hrs direct sun)
  • Bloom Time: late summer to early fall
photo of Anemone 'Fall in Love Sweetly' courtesy of Walters Gardens
Anemone Honorine Jobert
  • Common Name: Japanese Anemone
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: partial shade
  • Bloom Time: late summer to early fall
photo of Anemone 'Honorine Jobert' courtesy of Walters Gardens
Anemone Pamina
  • Common Name: Windflower
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: Minimum 4 hours of direct sun
  • Bloom Time: late summer to ealy fall
Anemone 'Pamina' photo courtesy of Walters Gardens
Anemone x Whirlwind
available mid May
  • Common Name: Japanese Anemone
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: sun to partial shade
  • Bloom Time: early fall
Anemone x Whirlwind photo courtesy of Walters Gardens
Aquilegia canadensis
Native
  • Common Name: Canadian Columbine, Eastern Red Columbine
  • Cold Hardiness: zone 2 - 9
  • Sun or Shade: light shade to full sun
  • Bloom Time: spring
Aquilegia canadensis photo Missouri Botanical Gardens
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