List of Alumroots/heucheras for S. California gardens

1. 1
CA Native Plants for Western L.A. County Gardens – The Alumroots or Heucheras (genus Heuchera)
I
Scientific Name Common Name Size
Flower/
season
Light**
Soil
Water
Zone+ Availability Notes
X * Heuchera abramsii
San Gabriel
alumroot
< 1 ft tall
1 ft wide
Pink/Sp PS/FSH
Well-
drained;
rocky
2 34
Crevice plant;
good for rock
gardens
X * Heuchera caespitosa Tufted alumroot
2-3 ft tall
1-2 ft wide
Pink/Sp-Su PS/FSH Most 2 to 2-3 3, 7, 11, 48
Very attractive;
hummingbirds
X * Heuchera cylindrica
Roundleaf
alumroot
< 1 ft tall
1-2 ft wide
White/Sp PS/FSH Many 2 to 2-3
3, 8, 11, 13,
46
Showy; unique
X
* Heuchera maxima
(incl. many cultivars &
hybrids)
Island Alumroot
1- 3 ft tall
and wide
White/Spr PS/PS/ FSH
Any, incl.
clays
1-2 to
2-3
1, 3, 7, 8, 13,
14
Larger flowers;
does well in
gardens
X * Heuchera micrantha Crevice Alumroot
1- 3 ft tall
and wide
Pink/Spr PS/PS/ FSH
Well-
drained 2-3 to 3 1, 3, 8
Good for rock
gardens
X * Heuchera parishii Parish’s alumroot
< 1 ft tall
1 ft wide
Pink/Sp PS/FSH
Well-
drained;
rocky
2 None yet Crevice plant
X * Heuchera pilosissima
Seaside (Hairy)
Alumroot
1-2 ft tall
and wide
White/Sp PS/FSH
Well-
drained
2 to 2-3 5, 6
N. Coast; good
massed
X * Heuchera rubescens Pink alumroot
< 1 ft tall
1 ft wide
Pink-whte/
Sp-Su
PS/FSH
Well-
drained
2 to 2-3 8, 34
Container;
crevice gardens
X * Heuchera sanguinea Arizona coral bells
1- 3 ft tall
and wide
Dark pink/
Sp-Su
PS/FSH
Well-
drained
2 to 2-3
On-line or local
nurseries
Arizona native
3/15/2016
I : X = Gardening Information Sheet available on-line (http://nativeplantscsudh.blogspot.com/p/gallery-of-native-plants_17.html)
* may not be immediately local, but is a CA native plant
** light: FS=full sun; PS=part shade; FSH=full shade
+ Water Zones: 1 = no summer water; 1-2 = very occasional summer water (several times per summer); 2 = let soil dry out between waterings;
2-3 some regular summer water (about once a week); 3 = regular watering/moist soil (like a conventional lawn)