How much sun does Mat alumroot need?

Mat alumroot grows best in part sun conditions.

When does Mat alumroot bloom?

Mat alumroot blooms in May, June, and July.

Where is Mat alumroot native?

Mat alumroot (Heuchera cylindrica) is native to CA, ID, MT, NV and 3 more states, per the World Checklist of Vascular Plants (Kew).

What pollinators does Mat alumroot attract?

Mat alumroot draws bees and hummingbirds.

Mat alumroot

Name: Pollinator Patch
Author: Pollinator Patch

Heuchera cylindrica

Last reviewed: September 2026

Mat alumroot (Heuchera cylindrica) is a perennial forb native to CA, ID, MT, NV and 3 more states. It blooms in May, June, and July. The flowers draw bees and hummingbirds.

Toxicity unknown

Mat alumroot (Heuchera cylindrica) 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 sun

Water

low

Size

12"–24" H × 8"–12" W

Bloom

May, Jun, Jul

Native to

CA, ID, MT, NV and 3 more states

Pollinators

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 460 programs across 44 states, each with a link to the provider and the date we last checked it.

Find rebates in your area

Picture natives in your own yard

Upload a photo of your yard and Patch Vision shows a rendering of it planted with natives for your region, like Mat alumroot.

Try it with your yard

Browse plants for this ecoregion

Coast Range Marine West Coast Forest Northwestern Forested Mountains North American Deserts Central Basin and Range Northwestern Great Plains

A low, neat rosette of rounded, scalloped leaves with tall, narrow spikes of small cream to greenish bell-shaped flowers. It forms tidy mounds and is well suited to rocky slopes and dry banks.

Growing Mat alumroot

Grow Mat alumroot in part sun and low water. Mature plants reach 12 to 24 inches tall and spread 8 to 12 inches wide.

Wildlife value

Flower spikes provide nectar for native bees and hummingbirds during late spring and early summer.

Common questions

How much sun does Mat alumroot need?: Mat alumroot grows best in part sun conditions.
When does Mat alumroot bloom?: Mat alumroot blooms in May, June, and July.
Where is Mat alumroot native?: Mat alumroot (Heuchera cylindrica) is native to CA, ID, MT, NV and 3 more states, per the World Checklist of Vascular Plants (Kew).
What pollinators does Mat alumroot attract?: Mat alumroot draws 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.

See all plant problem guides

Ready to grow Mat alumroot? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Add this plant to your garden

iPhone app Android app