Swamp Milkweed
Asclepias incarnata
Made for open ground — flowers in Jul and Aug, 3–4 ft tall.
- Full–part sun
- Average–wet
- 3–4 ft
- Blooms Jul–Aug
Colorado · Zones 3–6
Native Plants for Full Sun in Colorado
Sun-loving native wildflowers, grasses, and shrubs for the hot, bright, open parts of the yard that bake all afternoon. Every species here is genuinely native to Colorado and the wider flora of the Mountain West and hardy through zones 3–6 — proven performers for Colorado's semi-arid, cold winters, high sun climate across Southern Rockies & High Plains, not a generic list. Local standouts include Swamp Milkweed and Common Yarrow. 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
54 native species for Colorado
Each one native to your region and hardy in zones 3–6 · see this collection in other states.
Common Yarrow
Achillea millefolium
Give it full sun and it blooms May through Aug, 1.5–3 ft tall.
- Full sun
- Dry–average
- 1.5–3 ft
- Blooms May–Aug
Butterfly Weed
Asclepias tuberosa
Made for open ground — blooms Jun through Aug, 1.5–2.5 ft tall.
- Full sun
- Dry
- 1.5–2.5 ft
- Blooms Jun–Aug
Golden Alexanders
Zizia aurea
Made for open ground — blooms Apr through Jun, 1.5–2.5 ft tall.
- Full–part sun
- Average–wet
- 1.5–2.5 ft
- Blooms Apr–Jun
Wild Bergamot
Monarda fistulosa
Give it full sun and it blooms Jun through Aug, 2–4 ft tall.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms Jun–Aug
Serviceberry
Amelanchier canadensis
A sun-lover that flowers in Apr and May, standing 15–25 ft tall.
- Full–part sun
- Average–wet
- 15–25 ft
- Blooms Apr–May
Prairie Smoke
Geum triflorum
Made for open ground — flowers in Apr and May, 6–16 in tall.
- Full–part sun
- Dry
- 6–16 in
- Blooms Apr–May
Anise Hyssop
Agastache foeniculum
A sun-lover that blooms Jun through Sep, standing 2–4 ft tall.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms Jun–Sep
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
Dense Blazing Star
Liatris spicata
Made for open ground — flowers in Jul and Aug, 2–4 ft tall.
- Full sun
- Average–wet
- 2–4 ft
- Blooms Jul–Aug
Chocolate Flower
Berlandiera lyrata
A sun-lover that blooms May through Sep, standing 1–2 ft tall.
- Full sun
- Dry
- 1–2 ft
- Blooms May–Sep
Lanceleaf Coreopsis
Coreopsis lanceolata
Made for open ground — blooms May through Jul, 1.5–2 ft tall.
- Full sun
- Dry–average
- 1.5–2 ft
- Blooms May–Jul
Black-Eyed Susan
Rudbeckia hirta
Made for open ground — blooms Jun through Sep, 1.5–3 ft tall.
- Full–part sun
- Dry–average
- 1.5–3 ft
- Blooms Jun–Sep
Aromatic Aster
Symphyotrichum oblongifolium
Made for open ground — blooms Sep through Nov, 1.5–2.5 ft tall.
- Full sun
- Dry
- 1.5–2.5 ft
- Blooms Sep–Nov
New England Aster
Symphyotrichum novae-angliae
Give it full sun and it flowers in Sep and Oct, 3–5 ft tall.
- Full–part sun
- Average–wet
- 3–5 ft
- Blooms Sep–Oct
Blanketflower
Gaillardia aristata
A sun-lover that blooms Jun through Sep, standing 1–2.5 ft tall.
- Full sun
- Dry
- 1–2.5 ft
- Blooms Jun–Sep
Cup Plant
Silphium perfoliatum
Give it full sun and it blooms Jul through Sep, 5–8 ft tall.
- Full–part sun
- Average–wet
- 5–8 ft
- Blooms Jul–Sep
Firecracker Penstemon
Penstemon eatonii
Give it full sun and it blooms Mar through May, 1.5–3 ft tall.
- Full sun
- Dry
- 1.5–3 ft
- Blooms Mar–May
Buttonbush
Cephalanthus occidentalis
Give it full sun and it blooms Jun through Aug, 5–10 ft tall.
- Full–part sun
- Average–wet
- 5–10 ft
- Blooms Jun–Aug
Maximilian Sunflower
Helianthus maximiliani
Made for open ground — blooms Aug through Oct, 5–8 ft tall.
- Full sun
- Dry–average
- 5–8 ft
- Blooms Aug–Oct
Eastern Redbud
Cercis canadensis
A sun-lover that flowers in Mar and Apr, standing 20–30 ft tall.
- Full–part sun
- Dry–average
- 20–30 ft
- Blooms Mar–Apr
Pasque Flower
Pulsatilla patens
Made for open ground — flowers in Mar and Apr, 6–12 in tall.
- Full sun
- Dry
- 6–12 in
- Blooms Mar–Apr
Foxglove Beardtongue
Penstemon digitalis
Give it full sun and it flowers in May and Jun, 2–4 ft tall.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms May–Jun
Obedient Plant
Physostegia virginiana
Made for open ground — flowers in Aug and Sep, 2–4 ft tall.
- Full–part sun
- Average–wet
- 2–4 ft
- Blooms Aug–Sep
30 more also qualify: Prairie Blazing Star, Culver's Root, Purple Coneflower, Great Blue Lobelia, Showy Goldenrod, Spotted Joe-Pye Weed, Rocky Mountain Penstemon, Red-Twig Dogwood, Rattlesnake Master, Oregon Grape, Common Milkweed, Virginia Creeper, Bearberry, Ninebark, Sideoats Grama, Stiff Goldenrod, Common Boneset, Showy Milkweed, Purple Prairie Clover, New Jersey Tea, Blue Vervain, Blue Grama, Fragrant Sumac, American Elderberry, Compass Plant, Prairie Dropseed, Little Bluestem, Big Bluestem, Indian Grass, Switchgrass.
Sourcing
Where to find these in Colorado
Seeds & live plants on Amazon
Seed packets, plugs, and starter plants for many of these species ship to your door.
Browse on AmazonSome 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.