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 #
Gentiana True Blue
  • Common Name: Gentian
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: sun to part shade (minimum 4 hrs of direct sun)
  • Bloom Time: early summer to early fall
Gentiana 'True Blue' photo courtesy of Walters Gardens
Geranium Azure Rush
  • Common Name: Cranesbill Geranium
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: sun to light shade
  • Bloom Time: summer to fall
Geranium 'Azure Rush' photo Whitehouse Perennials Nursery and Display Gardens
Geranium cantabrigiense Biokovo
  • Common Name: Cranesbill Geranium
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: Minimum 4 hours of direct sun
  • Bloom Time: late spring
Geranium 'Biokova' courtesy of Walters Gardens
Geranium cantabrigiense Intense
New for 2026 from Concept Plants
  • Common Name: Cranesbill Geranium
  • Cold Hardiness: Zone 3 - 8
  • Sun or Shade: Sun to partial shade
  • Bloom Time: Late spring through summer (often into early fall)
Geranium 'Intense' photo courtesy of Concept Plants
Geranium pratense Boom Chocolatta
  • Common Name: Hardy Geranium, Cranesbill
  • Cold Hardiness: Zone 4-8
  • Sun or Shade: full sun to part shade (minimum 4 hrs direct sun)
  • Bloom Time: full sun to part shade
photo of Geranium pratense 'Boom Chocolatta' courtesy of Walters Gardens
Geranium sanguineum Max Frei
  • Common Name: Hardy Cranesbill
  • Cold Hardiness: Zone 3
  • Sun or Shade: sun to partial shade
  • Bloom Time: late spring to early summer
Geranium sanguineum Max Frei
Geranium x Rozanne
  • Common Name: Hardy Cranesbill
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun to partial shade
  • Bloom Time: late spring to fall
Geranium 'Rozanne' photo courtesy of Walters Gardens
Geum triflorum
  • Common Name: Prairie Smoke, Old Man's Whiskers, Red Avens
  • Cold Hardiness: Zone 3-8
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: lae spring
Geum triflorum photo Missouri Botanical Garden
Gypsophila Festival Star
  • Common Name: Baby's Breath
  • Cold Hardiness: Zone 3-9
  • Sun or Shade: full sun
  • Bloom Time: late spring to early fall, reblooms
Gypsophila 'Festival Star' photo courtesy of Walters Gardens
Gypsophila Summer Sparkles
  • Common Name: Baby's Breath
  • Cold Hardiness: Zone 3-9
  • Sun or Shade: minimum 5 hours of sun
  • Bloom Time: late spring to mid summer
Gypsophila 'Summer Sparkles' photo courtesy of Walters Gardens
Helenium Mariachi Salsa
  • Common Name: Helen's Flower
  • Cold Hardiness: Zone 3-9
  • Sun or Shade: minimum 4 hours of full sun
  • Bloom Time: early summer to early fall
Helenium 'Mariachi Salsa' photo AB Cultivars
Helianthus Lemon Queen
  • Common Name: Perennial Sunflower
  • Cold Hardiness: Zone 4
  • Sun or Shade: sun
  • Bloom Time: late summer
Helianthus Lemon Queen
Heliopsis Bleeding Hearts
  • Common Name: False Sunflower
  • Cold Hardiness: Zone 3-9
  • Sun or Shade: minimum four hours of direct sun
  • Bloom Time: July to frost
Heliopsis helianthoides va scabra 'Bleeding Hearts' photo courtesy of Walters Gardens
Heliopsis helianthoides Rays for Days
New for 2026
  • Common Name: False Sunflower
  • Cold Hardiness: Zone 3
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: early summer to fall
Heliopsis helianthoides 'Rays for Days' photo courtesy of Walters Garden
Heliopsis helianthoides Sunstruck
  • Common Name: False Sunflower
  • Cold Hardiness: Zone 4-9
  • Sun or Shade: minimum 6 hours of direct sun
  • Bloom Time: mid to late summer
Heliopsis helianthoides 'Sunstruck' photo courtesy of Walters Gardens
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