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Heuchera glabra  smooth alumroot
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Heuchera glabra

(smooth alumroot)

Description coming soon!

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Heuchera hirsutissima

(shaggy haired alumroot)

This miniature alumroot is the perfect addition to the lightly shaded rock garden or along the edge of a path. Pinkish-white, dainty flowers sit atop short stems only about 4 inches tall in spring and summer. The little 2 inch mounds of dark green leaves slowly spread to form tiny drifts. Provide good drainage and moderate irrigation. An excellent plant for a rock crevice or container where it can be combined with Idaho fescue, Erigeron 'Olga' or leather fern. This species comes from the San Jacinto and Santa Rosa mountains of southern California. 
Heuchera maxima  Island alum root
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Heuchera maxima

(Island alum root)

Native to the Channel Islands, this is one of the most adaptable and vigorous of the alum roots, forming broad evergreen mounds of bright green folilage 1 - 1 1/2 ft. high. Maroon flower stems are 3 ft. high topped with pink blushed creamy flowers that have a slight green haze. Best with part shade and a little summer water, but will tolerate full sun close to the coast. Good for use under oaks. This species attracts hummingbirds.
Heuchera micrantha  alum root
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Heuchera micrantha

(alum root)

This is our common alum root which is usually seen on shady cliffs and roadbanks adjacent to forests. Easy to grow in garden situations. Forms low mounds of foliage topped with dainty white flowers on long stems. Likes moisture, but tolerates considerable drought and takes deeper shade than most Heuchera species. This species attracts hummingbirds.
Heuchera micrantha 'Martha Roderick' alum root
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Heuchera micrantha 'Martha Roderick'

(alum root)

Here’s a pink flowered form of the normally white flowered native alum root. Foliage forms handsome clumps topped with slender stalks 1 - 1 1/2 ft. tall of tiny pink flowers. Excellent in woodland setting for border, slope or rock garden. Drought tolerant but best with a little water. This species attracts hummingbirds.

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Heuchera pilosissima

(seaside alum root)

Native to the coast from Mendocino to Santa Barbara Counties, this perennial forms compact, evergreen clumps of light-green scalloped leaves. Stocky flower stems 12 – 16 inches long carry small white-pink flowers in early summer. Perfect in coastal areas where it can grow in sun to light shade and will be drought tolerant once established. Must have part shade and some summer water inland. Plant in mass for a nice ground cover in a woodland setting or in mixed plantings with shrubs and ferns. Attracts hummingbirds.    

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Heuchera rubescens

(pink alumroot)

The pink alumroot stands out with bell-like flowers of pink and white held in clusters on slender stems up to 1 ft tall. The round, scalloped leaves form low, dense mats up to 1 1/2 ft wide and about 6 inches high. This western mountain dweller looks beautiful in a rock garden but will do well in any situation with part shade and good drainage. Needs moderate to occasional irrigation once established. Attracts hummingbirds. Great in a container.
Hibiscus lasiocarpus var. occidentalis (californicus)  woolly rose mallow
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Hibiscus lasiocarpus var. occidentalis (californicus)

(woolly rose mallow)

A rare species from wetland habitats in the Delta of the Central Valley, which are seriously threatened due to habitat disturbance and development. A large perennial growing 3 - 6 ft. tall with heart-shaped fuzzy leaves on sturdy stems and large showy white flowers with deep pink centers in the summer. Tropical looking and water loving this interesting herbaceous perennial grows best with summer heat. Plant in full sun to light shade with regular water. Tolerates heavy soils and seasonal flooding. Nice container specimen where it's needs may be easier to meet.  
Hierochloe occidentalis  vanilla grass
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Hierochloe occidentalis

(vanilla grass)

Here is an interesting grass native to coniferous forests. Broad, bright green, sweetly scented blades grow a foot or more tall. Flowering culms rise another 6 inches or so above the foliage with tight panicles of spikelets. Excellent for woodland gardens, compatible with many redwood forest plants. Best with some summer water. A larval host for the Western branded skipper butterfly. Deer resistant.
Hoita macrostachya  leather root
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Hoita macrostachya

(leather root)

Plant description coming soon.
Holodiscus discolor  cream bush, ocean spray
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Holodiscus discolor

(cream bush, ocean spray)

An elegant deciduous native shrub growing 4 - 6 ft. tall or more, depending on the site. Beautiful nodding clusters of creamy white flowers hang from branch tips in early summer. The fragrant flowers attract pollinators and a number of butterflies use it as a host plant. Best with light shade. Drought tolerant.
Holodiscus dumosus var. cedrorus  Cedars cream bush
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Holodiscus dumosus var. cedrorus

( Cedars cream bush)

A recently described endemic shrub discovered by the extraordinary plantsmen Roger Raiche, growing on serpentine soils of the Cedars in northwestern Sonoma County. An open deciduous shrub, approximately 3 ft. x 3 ft. with wiry ruby-red stems and elegant small, shiny, dark green to bronze leaves. Early summer brings erect panicles of cream colored flowers that are suffused in light wine-red or pink coloration. Seems to tolerate a wide range of conditions from full sun to deep shade. Once established has proven durable and drought tolerant. This lovely small creambush is perfect for those who want something completely new and different. It does well in containers and should be interesting to experiment with in different applications and settings.    

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Hordeum brachyantherum

(meadow barley)

Native to a wide range of vernally wet plant communities throughout California and beyond. Once abundant throughout the Santa Rosa Valley where it could be found in grasslands, seasonal flood plains, moist meadow and open riparian areas.  Forms perennial clumps with blades 6-10 inches tall, flower stalks to 30 inches are topped with narrow spikes of purple tinged upward facing bristles, looking like a small version of a classic cereal grain seedhead. Tolerant of heavy clay, alkaline or saline soils.  Doesn't make a big impact standing alone,  best used in mass or in a blend of other native meadow grasses where it's slender flower heads make a pleasing effect.  Plant in full sun with vernally wet soils.  Deer resistant.

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Hypericum coris

A wonderful little evergreen shrublet growing 1 foot to 20 inches tall and wide. Bright green needle-like leaves bear clusters of small star-shaped golden yellow flowers on the branch tips in summer. Best in full sun with decent drainage and moderate water. An excellent rock garden or container subject.

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