Island Alum Root, Jill of the Rocks
Heuchera maxima

Family: Saxifragaceae (saks-ih-frag-AY-see-ee) (Info)
Genus: Heuchera (HEW-ker-a) (Info)
Species: maxima (MAKS-ih-muh) (Info)
» View all varieties of Heucheras

Category:

Tropicals and Tender Perennials

Height:

24-36 in. (60-90 cm)

36-48 in. (90-120 cm)

Spacing:

15-18 in. (38-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Hardiness:

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

USDA Zone 10a: to -1.1 C (30 F)

USDA Zone 10b: to 1.7 C (35 F)

USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:

Sun to Partial Shade

Light Shade

Partial to Full Shade

Bloom Color:

Pink

Bloom Time:

Late Winter/Early Spring

Mid Spring

Foliage:

Evergreen

Provides winter interest

This plant is resistant to deer

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

Seed Collecting:

Unknown - Tell us

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Unknown - Tell us

Regional

This plant has been said to grow in the following regions:

Clayton, California

Hayward, California

Richmond, California

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Aug 17, 2011, BayAreaTropics from Hayward, CA wrote:

One of the best I've tried. So much more vigorous then the hybrids sold that dont last a summer here in California. Our soucal native Alumroot grows fast with big sprays of blooms.
Try it-you'll like it!