Perennials Timeless Blooms for Year-Round Beauty

Perennials

Idaho’s climate varies across the state, but it generally experiences cold winters and hot, dry summers.

Remember to consider your specific location within Idaho, as microclimates and variations in elevation can affect the growing conditions. Additionally, it’s important to check the specific growing requirements for each plant and adjust your care accordingly.

 

Top Perennial Flowers Perfect for Idaho Gardens

Here’s a list of perennial flowers that are well-suited for growing in Idaho:

Columbine

Aquilegia

  • USDA Hardiness: 3 to 9
  • Blooms: Spring to Summer
  • Height: 6-24″
  • Growth Conditions: full sun and part shade, drought tolerant
  • Uses: plant beds and borders
Columbine

Delphinium

Delphinium

  • USDA Hardiness: 3 to 7
  • Blooms: Early to mid summer, may repeat in early fall
  • Size: 5-6′ tall, space 24″ apart
  • Growth Conditions: full sun and part shade
  • Uses: cut flowers, center of garden
Delphinium

Penstemon

  • USDA Hardiness: 4
  • Blooms: Early Summer
  • Size: 3′ x 3′
  • Growth Conditions: full sun to pt. shade, drought tolerant
  • Uses: plant beds and borders, mass plantings, showy

Bleeding Heart

Dicentra spectabilis

  • USDA Hardiness: 3 to 9
  • Blooms: Early Spring
  • Size: 26-30″ x 26-30″
  • Growth Conditions: part shade
  • Uses: plant beds and borders, rock gardens, ground cover
Bleeding Heart

Blanket Flower

Gaillardia

  • USDA Hardiness: 3
  • Blooms: Summer to Early Fall
  • Size: 36″ x 24″
  • Growth Conditions: full sun
  • Uses: plant beds and borders, meadows, containers

Coneflower

Echinacea

  • USDA Hardiness: 4
  • Blooms: Late Spring to Late Summer
  • Size: 18-20″ x 22-24″
  • Growth Conditions: full sun
  • Uses: plant in borders, containers, or masses, herbaceous
Coneflower

Rudbeckia

  • USDA Hardiness: 3
  • Blooms: Summer to Frost
  • Size: 3′ x 2′
  • Growth Conditions: full sun, drought tolerant, easy care
  • Uses: plant beds and borders, upright and sturdy
Rudbeckia

Liatris

  • USDA Hardiness: 3
  • Blooms: July to September
  • Size: 2′ x 1′
  • Growth Conditions: full sun
  • Uses: plant in borders, backgrounds, and meadows, excellent cut flower
Liatris

Aster

  • USDA Hardiness: 4
  • Blooms: Late Summer to Frost
  • Size: 24″ x 24″
  • Growth Conditions: full sun
  • Uses: plant beds, containers, accents
Aster

Peony

Paeonia

  • USDA Hardiness: 3 to 8
  • Blooms: Spring to Summer
  • Size: 3′ x 3-4′
  • Growth Conditions: full sun, well draining soil
  • Uses: beds, borders, containers, cutting garden, cottage garden
Peony

Autumn Joy

Hylotelphium

  • USDA Hardiness: 3 to 9
  • Blooms: Fall
  • Size: 15-24″ x 15-24″
  • Growth Conditions: Full sun, drought tolerant, well drained soil
  • Uses: rock gardens, path and border edging, mass planting, cut and dried flowers
Autumn Joy
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