Alumroot
Heuchera americana
Last reviewed: September 2026
Heuchera americana, or Alumroot, is a woodland forb that blooms from May through July, with mottled green foliage and small greenish flowers that draw bees and butterflies to shaded gardens.
Toxicity unknown
Alumroot (Heuchera americana) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
part shade
Water
medium
Size
8"–18" H × 12"–24" W
Bloom
May, Jun, Jul
Native to
AL, AR, CT, DE and 20 more states
Pollinators
bees, butterflies
Before you buy
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Alumroot is a compact native perennial that forms attractive mounds of rounded, lobed leaves that stay green through winter. It produces delicate spikes of small white or greenish flowers on tall, slender stems in late spring and early summer.
Growing Alumroot
Grow Alumroot in part shade and medium water. Mature plants reach 8 to 18 inches tall and spread 12 to 24 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Alumroot is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.
Works well in: front yard, foundation, street edge, mid zone.
Wildlife value
The flowers attract bees and butterflies during the bloom period. The evergreen foliage provides year-round habitat structure for small wildlife.
Common questions
- When does Heuchera americana bloom?
- Alumroot typically blooms from May through July, sending up thin flower stalks above its mottled basal leaves.
- How much light does Alumroot need?
- Alumroot does best in part shade but can handle conditions ranging from part sun to full shade, especially in warmer regions where afternoon sun can scorch the leaves.
- How much water does Heuchera americana require?
- It prefers medium, evenly moist soil but tolerates drier conditions once its root system is established.
- What pollinators visit Alumroot?
- Bees and butterflies are the main visitors, drawn to the small bell-shaped flowers held above the foliage.
- Does Alumroot keep its leaves through winter?
- Its foliage is semi-evergreen, often holding some green, mottled leaves through mild winters in woodland or partly shaded garden settings.
- Is Alumroot HOA-friendly?
- Alumroot is generally an HOA-friendly choice in the right placement, with low maintenance.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Alumroot? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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