Wild Columbine
Aquilegia canadensis
For the dappled north side and under trees, it handles part to full shade — cold-hardy to zone 3 and it blooms Apr through Jun.
- Part shade
- Dry–average
- 1–2.5 ft
- Blooms Apr–Jun
Iowa · Zones 4–6
Native Plants for Shade in Iowa
Woodland wildflowers, ferns, and groundcovers that thrive in the dappled and full shade under trees and on the north side of the house. Every species here is genuinely native to Iowa and the wider flora of the Midwest and hardy through zones 4–6 — proven performers for Iowa's humid continental, cold winters climate across Western Corn Belt tallgrass prairie, not a generic list. Local standouts include Wild Columbine and Flowering Dogwood. Shade is an opportunity, not a problem — the eastern woodland flora is one of the richest in the world. Most shade natives evolved under a deciduous canopy, so they do their growing in cool, moist spring soil and want a yearly mulch of fallen leaves rather than bare, raked dirt. Match the depth of shade to the plant, and a bare patch under a maple becomes the loveliest part of the garden.
The plants
14 native species for Iowa
Each one native to your region and hardy in zones 4–6 · see this collection in other states.
Flowering Dogwood
Cornus florida
Thrives in cool shade under a canopy, where it handles part to full shade; reaching 15–25 ft and it flowers in Apr and May.
- Part shade
- Average
- 15–25 ft
- Blooms Apr–May
Wild Geranium
Geranium maculatum
Carpets the dappled ground beneath trees, 1.5–2 ft tall; it blooms Apr through Jun.
- Part shade
- Average
- 1.5–2 ft
- Blooms Apr–Jun
Virginia Bluebells
Mertensia virginica
Thrives in cool shade under a canopy, where it handles part to full shade; reaching 1–2 ft and it blooms Mar through May.
- Part shade
- Average–wet
- 1–2 ft
- Blooms Mar–May
Foamflower
Tiarella cordifolia
A shade groundcover for the woodland floor, 1–2 ft wide — it flowers in Apr and May.
- Part shade
- Average
- 6–12 in
- Blooms Apr–May
Smooth Hydrangea
Hydrangea arborescens
Thrives in cool shade under a canopy, where it handles part to full shade; spreading 3–5 ft and it blooms Jun through Aug.
- Part shade
- Average
- 3–5 ft
- Blooms Jun–Aug
Arrowwood Viburnum
Viburnum dentatum
For the dappled north side and under trees, it handles part to full shade — good through zone 8 and it flowers in May and Jun.
- Sun to shade
- Average–wet
- 6–10 ft
- Blooms May–Jun
Woodland Phlox
Phlox divaricata
A shade groundcover for the woodland floor, spreading 12–18 in, flowering as it flowers in Apr and May.
- Part shade
- Average
- 10–15 in
- Blooms Apr–May
Wild Ginger
Asarum canadense
Carpets the dappled ground beneath trees, for loam ground, flowering as it flowers in Apr and May.
- Part shade
- Average
- 4–8 in
- Blooms Apr–May
Spicebush
Lindera benzoin
Made for shade — it handles part to full shade, reaching 6–12 ft and it flowers in Mar and Apr.
- Part shade
- Average–wet
- 6–12 ft
- Blooms Mar–Apr
Virginia Creeper
Parthenocissus quinquefolia
A spreading carpet for the shaded woodland floor, 30–50 ft tall, and it flowers in Jun.
- Sun to shade
- Dry–average
- 30–50 ft
- Blooms Jun
Christmas Fern
Polystichum acrostichoides
A shade groundcover for the woodland floor, for rocky and loam ground.
- Part shade
- Dry–average
- 1–2 ft
- Evergreen
Pennsylvania Sedge
Carex pensylvanica
A shade groundcover for the woodland floor, cold-hardy to zone 3.
- Part shade
- Dry–average
- 6–12 in
- Foliage
Cinnamon Fern
Osmundastrum cinnamomeum
For the dappled north side and under trees, it handles part to full shade — happy in clay and loam soil.
- Part shade
- Average–wet
- 2–4 ft
- Foliage
Sourcing
Where to find these in Iowa
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.