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Heuchera maxima (Island alumroot)
Wasowski, Sally and Andy

Heuchera maxima

Heuchera maxima Greene

Island Alumroot, Jill Of The Rocks

Saxifragaceae (Saxifrage Family)


USDA Symbol: HEMA4

USDA Native Status: L48 (N)

A rosette of large, round, purple-veined leaves subtends a 2 ft. flower stalk bearing pink to whitish, bell-shaped flowers hanging from the ends of thread-like stalks. Often planted for the leaves rather than the flowers.


From the Image Gallery

5 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Fruit Type: Capsule
Size Notes: Up to about 2 feet tall.

Bloom Information

Bloom Color: White , Pink
Bloom Time: Feb , Mar , Apr , May


Native Distribution: Channel Islands, CA
Native Habitat: Canyon walls & cliffs

Growing Conditions

Light Requirement: Shade
Soil Moisture: Dry
Soil Description: Dry soils.
Conditions Comments: A good ground cover under evergreen oaks.


Description: Sow seed.
Seed Treatment: No pretreatment is necessary.
Commercially Avail: yes

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA


Bibref 995 - Native Landscaping from El Paso to L.A. (2000) Wasowski, S. and A. Wasowski

Search More Titles in Bibliography

Web Reference

Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.
Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter

Additional resources

USDA: Find Heuchera maxima in USDA Plants
FNA: Find Heuchera maxima in the Flora of North America (if available)
Google: Search Google for Heuchera maxima


Record Modified: 2023-02-13
Research By: TWC Staff

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