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Idaho · Zones 4–6

Native Plants for Full Sun in Idaho

Sun-loving native wildflowers, grasses, and shrubs for the hot, bright, open parts of the yard that bake all afternoon. For Idaho, the right natives are shaped by Columbia Plateau & Northern Rockies and a semi-arid to montane climate. Every species below, from Pasque Flower and Blanketflower to the rest of the list, is genuinely native to Idaho and the wider flora of the Mountain West and hardy through zones 4–6. A spot with six or more hours of direct sun is prime real estate for the prairie and meadow natives that evolved in the open — most want exactly that much light to bloom hard and stand up straight. Give them lean, well-drained soil rather than rich and pampered, skip the fertilizer, and they will reward the tough love with more flowers and sturdier stems.

The plants

20 native species for Idaho

Each one native to your region and hardy in zones 4–6 · see this collection in other states.

Shrub

Red-Flowering Currant

Ribes sanguineum

Give it full sun and it flowers in Mar and Apr, 5–9 ft tall.

  • Full–part sun
  • Dry–average
  • 5–9 ft
  • Blooms Mar–Apr
Perennial wildflower

Douglas Aster

Symphyotrichum subspicatum

Give it full sun and it blooms Aug through Oct, 2–4 ft tall.

  • Full–part sun
  • Average–wet
  • 2–4 ft
  • Blooms Aug–Oct
Perennial wildflower

Anise Hyssop

Agastache foeniculum

Made for open ground — blooms Jun through Sep, 2–4 ft tall.

  • Full–part sun
  • Dry–average
  • 2–4 ft
  • Blooms Jun–Sep
Shrub

Apache Plume

Fallugia paradoxa

Give it full sun and it blooms Apr through Sep, 3–6 ft tall.

  • Full sun
  • Dry
  • 3–6 ft
  • Blooms Apr–Sep
Ornamental grass

Sideoats Grama

Bouteloua curtipendula

A sun-lover that flowers in Jun and Jul, standing 1.5–2.5 ft tall.

  • Full sun
  • Dry
  • 1.5–2.5 ft
  • Blooms Jun–Jul
Evergreen shrub

Oregon Grape

Berberis aquifolium

Made for open ground — flowers in Mar and Apr, 3–6 ft tall.

  • Sun to shade
  • Dry–average
  • 3–6 ft
  • Blooms Mar–Apr
Shrub

Fragrant Sumac

Rhus aromatica

Give it full sun and it flowers in Mar and Apr, 2–6 ft tall.

  • Full–part sun
  • Dry
  • 2–6 ft
  • Blooms Mar–Apr
Shrub

Red-Twig Dogwood

Cornus sericea

A sun-lover that flowers in May and Jun, standing 6–9 ft tall.

  • Full–part sun
  • Average–wet
  • 6–9 ft
  • Blooms May–Jun
Evergreen groundcover

Bearberry

Arctostaphylos uva-ursi

Give it full sun and it flowers in Apr and May, 4–8 in tall.

  • Full–part sun
  • Dry
  • 4–8 in
  • Blooms Apr–May
Ornamental grass

Blue Grama

Bouteloua gracilis

A sun-lover that blooms Jun through Aug, standing 8–20 in tall.

  • Full sun
  • Dry
  • 8–20 in
  • Blooms Jun–Aug
Ornamental grass

Little Bluestem

Schizachyrium scoparium

A sun-loving foliage plant, 2–4 ft tall, turning blue-green to copper in fall.

  • Full sun
  • Dry–average
  • 2–4 ft
  • Fall color
Sourcing

Where to find these in Idaho

Seeds & live plants on Amazon

Seed packets, plugs, and starter plants for many of these species ship to your door.

Browse on Amazon

Some links here are affiliate links — we may earn a small commission at no extra cost to you. The surest source of locally-adapted stock is a native-plant nursery or a native plant society sale in your area.