Wild Bergamot
Monarda fistulosa
Roots straight into heavy clay and even improves it, standing 2–4 ft tall; it blooms Jun through Aug.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms Jun–Aug
Michigan · Zones 4–6
Native Plants for Clay Soil in Michigan
Native plants that root happily into heavy clay — the dense, slow-draining soil that defeats so many garden-center perennials. Michigan sits in a landscape of Great Lakes forest & dune, and the natives that thrive here are the ones built for its humid continental, lake-moderated character. The list below — led by Wild Bergamot and Butterfly Weed — is filtered to species genuinely native to Michigan and the wider flora of the Midwest and hardy through zones 4–6. Heavy clay is actually fertile and moisture-holding; the trick is choosing plants whose deep, muscular roots can punch through it and even improve it over time. Avoid working clay when it is wet, plant a little high to keep crowns from sitting in water, and mulch to keep the surface from baking into a crust. These natives do the soil-building for you.
The plants
46 native species for Michigan
Each one native to your region and hardy in zones 4–6 · see this collection in other states.
Butterfly Weed
Asclepias tuberosa
Punches its roots through dense clay where garden-center perennials sulk, at 1.5–2.5 ft tall, and it blooms Jun through Aug.
- Full sun
- Dry
- 1.5–2.5 ft
- Blooms Jun–Aug
Swamp Milkweed
Asclepias incarnata
Punches its roots through dense clay where garden-center perennials sulk, at 3–4 ft tall; it flowers in Jul and Aug.
- Full–part sun
- Average–wet
- 3–4 ft
- Blooms Jul–Aug
Arrowwood Viburnum
Viburnum dentatum
Roots straight into heavy clay and even improves it, standing 6–10 ft tall, flowering as it flowers in May and Jun.
- Sun to shade
- Average–wet
- 6–10 ft
- Blooms May–Jun
Cardinal Flower
Lobelia cardinalis
Punches its roots through dense clay where garden-center perennials sulk, at 2–4 ft tall; it blooms Jul through Sep.
- Full–part sun
- Average–wet
- 2–4 ft
- Blooms Jul–Sep
Dense Blazing Star
Liatris spicata
At home in the dense clay that defeats most perennials, 2–4 ft tall, flowering as it flowers in Jul and Aug.
- Full sun
- Average–wet
- 2–4 ft
- Blooms Jul–Aug
Serviceberry
Amelanchier canadensis
A clay-buster — thrives in the slow-draining ground, 15–25 ft tall, and it flowers in Apr and May.
- Full–part sun
- Average–wet
- 15–25 ft
- Blooms Apr–May
Common Yarrow
Achillea millefolium
Punches its roots through dense clay where garden-center perennials sulk, at 1.5–3 ft tall — it blooms May through Aug.
- Full sun
- Dry–average
- 1.5–3 ft
- Blooms May–Aug
Smooth Hydrangea
Hydrangea arborescens
Roots straight into heavy clay and even improves it, standing 3–5 ft tall; it blooms Jun through Aug.
- Part shade
- Average
- 3–5 ft
- Blooms Jun–Aug
Winterberry
Ilex verticillata
A clay-buster — thrives in the slow-draining ground, 5–10 ft tall; it flowers in Jun and Jul.
- Full–part sun
- Average–wet
- 5–10 ft
- Blooms Jun–Jul
Short-Toothed Mountain Mint
Pycnanthemum muticum
Punches its roots through dense clay where garden-center perennials sulk, at 2–3 ft tall; it blooms Jul through Sep.
- Full–part sun
- Dry–average
- 2–3 ft
- Blooms Jul–Sep
Aromatic Aster
Symphyotrichum oblongifolium
Roots straight into heavy clay and even improves it, standing 1.5–2.5 ft tall — it blooms Sep through Nov.
- Full sun
- Dry
- 1.5–2.5 ft
- Blooms Sep–Nov
Purple Coneflower
Echinacea purpurea
Punches its roots through dense clay where garden-center perennials sulk, at 2–4 ft tall; it blooms Jun through Sep.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms Jun–Sep
Trumpet Honeysuckle
Lonicera sempervirens
Punches its roots through dense clay where garden-center perennials sulk, at 8–15 ft tall — it blooms Apr through Sep.
- Full–part sun
- Dry–average
- 8–15 ft
- Blooms Apr–Sep
Cup Plant
Silphium perfoliatum
Roots straight into heavy clay and even improves it, standing 5–8 ft tall; it blooms Jul through Sep.
- Full–part sun
- Average–wet
- 5–8 ft
- Blooms Jul–Sep
Great Blue Lobelia
Lobelia siphilitica
At home in the dense clay that defeats most perennials, 2–3 ft tall, and it flowers in Aug and Sep.
- Full–part sun
- Average–wet
- 2–3 ft
- Blooms Aug–Sep
Prairie Blazing Star
Liatris pycnostachya
Punches its roots through dense clay where garden-center perennials sulk, at 3–5 ft tall — it flowers in Jul and Aug.
- Full sun
- Dry–average
- 3–5 ft
- Blooms Jul–Aug
Culver's Root
Veronicastrum virginicum
Punches its roots through dense clay where garden-center perennials sulk, at 3–5 ft tall; it blooms Jun through Aug.
- Full–part sun
- Average–wet
- 3–5 ft
- Blooms Jun–Aug
Buttonbush
Cephalanthus occidentalis
Punches its roots through dense clay where garden-center perennials sulk, at 5–10 ft tall, flowering as it blooms Jun through Aug.
- Full–part sun
- Average–wet
- 5–10 ft
- Blooms Jun–Aug
Spotted Joe-Pye Weed
Eutrochium maculatum
At home in the dense clay that defeats most perennials, 4–7 ft tall, flowering as it blooms Jul through Sep.
- Full–part sun
- Average–wet
- 4–7 ft
- Blooms Jul–Sep
Foxglove Beardtongue
Penstemon digitalis
Punches its roots through dense clay where garden-center perennials sulk, at 2–4 ft tall — it flowers in May and Jun.
- Full–part sun
- Dry–average
- 2–4 ft
- Blooms May–Jun
Obedient Plant
Physostegia virginiana
Roots straight into heavy clay and even improves it, standing 2–4 ft tall, flowering as it flowers in Aug and Sep.
- Full–part sun
- Average–wet
- 2–4 ft
- Blooms Aug–Sep
New England Aster
Symphyotrichum novae-angliae
Roots straight into heavy clay and even improves it, standing 3–5 ft tall — it flowers in Sep and Oct.
- Full–part sun
- Average–wet
- 3–5 ft
- Blooms Sep–Oct
Maximilian Sunflower
Helianthus maximiliani
Roots straight into heavy clay and even improves it, standing 5–8 ft tall — it blooms Aug through Oct.
- Full sun
- Dry–average
- 5–8 ft
- Blooms Aug–Oct
22 more also qualify: Black-Eyed Susan, Golden Alexanders, Scarlet Beebalm, Eastern Redbud, Red-Twig Dogwood, Common Boneset, Spicebush, Ninebark, Sideoats Grama, Stiff Goldenrod, Rattlesnake Master, Fragrant Sumac, Common Milkweed, American Elderberry, Compass Plant, Blue Vervain, Virginia Creeper, Cinnamon Fern, Indian Grass, Switchgrass, Little Bluestem, Big Bluestem.
Sourcing
Where to find these in Michigan
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.