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Jack-o'the-rocks

Heuchera rubescens

Last reviewed: September 2026

Jack-o'the-rocks (Heuchera rubescens) is a perennial forb native to AZ, CA, CO, ID and 5 more states. It blooms in May, June, and July. The flowers draw native bees and hummingbirds.

Jack-o'the-rocks (Heuchera rubescens)
Photo: (c) J Brew, some rights reserved (CC BY-SA)

Toxicity unknown

Jack-o'the-rocks (Heuchera rubescens) 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

low

Size

6"–16" H × 8"–14" W

Bloom

May, Jun, Jul

Native to

AZ, CA, CO, ID and 5 more states

Pollinators

native 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.

Find rebates in your area

A compact perennial forming a low rosette of rounded, lobed leaves, with slender wiry stalks of small pink-white flowers rising above. It grows tucked into rocky crevices and slopes, staying neat and low.

Growing Jack-o'the-rocks

Grow Jack-o'the-rocks in part shade and low water. Mature plants reach 6 to 16 inches tall and spread 8 to 14 inches wide.

Wildlife value

Its airy flower spikes attract native bees and occasionally hummingbirds.

Common questions

How much sun does Jack-o'the-rocks need?
Jack-o'the-rocks grows best in part shade conditions.
When does Jack-o'the-rocks bloom?
Jack-o'the-rocks blooms in May, June, and July.
Where is Jack-o'the-rocks native?
Jack-o'the-rocks (Heuchera rubescens) is native to AZ, CA, CO, ID and 5 more states, per vouchered herbarium specimen records and regional native plant society lists.
What pollinators does Jack-o'the-rocks attract?
Jack-o'the-rocks draws native bees and hummingbirds.

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.

See all plant problem guides

Ready to grow Jack-o'the-rocks? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.