Longflower alumroot
Heuchera longiflora
Last reviewed: September 2026
Longflower alumroot (Heuchera longiflora) is a perennial forb native to AL, KY, NC, TN and 2 more states. It blooms in May, June, and July. The flowers draw small bees and hummingbirds.
Toxicity unknown
Longflower alumroot (Heuchera longiflora) 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
12"–30" H × 8"–14" W
Bloom
May, Jun, Jul
Native to
AL, KY, NC, TN and 2 more states
Pollinators
small bees, hummingbirds
Before you buy
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 458 programs across 44 states, each with a link to the provider and the date we last checked it.
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A perennial forb with a low rosette of rounded, lobed leaves and tall, airy spikes of small, greenish-cream, elongated tubular flowers. Grows on shaded rock outcrops and wooded slopes.
Growing Longflower alumroot
Grow Longflower alumroot in part shade and medium water. Mature plants reach 12 to 30 inches tall and spread 8 to 14 inches wide.
Wildlife value
The narrow tubular flowers are visited by small bees and occasionally hummingbirds seeking nectar deep within the blossom.
Common questions
- How much sun does Longflower alumroot need?
- Longflower alumroot grows best in part shade conditions.
- When does Longflower alumroot bloom?
- Longflower alumroot blooms in May, June, and July.
- Where is Longflower alumroot native?
- Longflower alumroot (Heuchera longiflora) is native to AL, KY, NC, TN and 2 more states, per the World Checklist of Vascular Plants (Kew).
- What pollinators does Longflower alumroot attract?
- Longflower alumroot draws small bees and hummingbirds.
Native range data from the World Checklist of Vascular Plants (Kew). 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 Longflower alumroot? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.