Bloom Time

Summer

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Heuchera ‘Santa Ana Cardinal’

Heuchera ‘Santa Ana Cardinal’

coral bells

An outstanding hybrid that is vigorous and free flowering. Compact clumps of foliage topped with 2 ft. tall flowering stems with vibrant rose-red blossoms over a long period. Plant in cool full sun to light shade with moderate to occassional summer water once established. This species attracts hummingbirds.

Heuchera hirsutissima

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

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 pilosissima

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.

Hibiscus lasiocarpos var. occidentalis (californicus)

Hibiscus lasiocarpos 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 its needs may be easier to meet.

Holodiscus discolor

Holodiscus discolor

cream bush, ocean spray

An elegant, deciduous, native shrub growing 5 - 6 ft. tall or more, depending on the site, and at least as wide. Beautiful, cascading 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, but will accept some moisture.

Holodiscus dumosus ‘var. cedrorus’

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.

Iris innominata

Iris innominata

Del Norte County iris

A choice iris with slender, glossy, dark-green leaves and dainty flowers in late spring. Flower color can be from brilliant yellows to shades of purple. Native to the Siskiyou Mountains in Del Norte County, California, into southern Oregon where it forms low, dense, evergreen clumps in openings of woodlands or coniferous forests. This species does better in hot, inland areas than the Douglas iris. Requires good drainage and some summer water. This Del Norte County iris has been used in hybridization programs to produce the popular Pacific Coast Hybrid Iris. Deer resistant.

Juncus effusus

Juncus effusus

soft rush

Striking plant with bright green, erect, cylindrical blades that arch somewhat toward the tips. Creamy-gold, tassel-like flowers appear near the tips in spring and early summer. Grows 3 ft. or more tall and wide. Native to moist habitats in temperate regions of the world. Can grow in full sun to light shade with regular to moderate water. A natural for water features, making a great foliage accent for pools, ponds, or streamsides. Can grow in shallow water. Great in containers too. Deer resistant.

Juncus patens

Juncus patens

California grey rush

This handsome evergreen rush provides a striking vertical accent 1-1/2 to 2-1/2 ft. tall with grey-green to grey-blue foliage. Brownish-yellow, tassel-like flowers appear in the spring and early summer. Very adaptable, tolerating a wide range of conditions. Enjoys sun with moisture, but will tolerate dry conditions once established. Accepts moderate shade. Robust root systems are excellent for soil stabilization. Deer resistant.

Juncus patens ‘Elk Blue’

Juncus patens ‘Elk Blue’

California grey rush

Introduced by San Marcos Growers, this form of Juncus patens was selected from the hills southeast of the town of Elk in Mendocino County. Features exceptionally blue foliage and and a vigorous spreading habit. This selection is shorter than the typical grey rush only reaching about 18 inches tall. An adaptable species, will thrive in moist soils, even shallow water but once established tolerates dry conditions too. Grows in sun to moderate shade. An excellent accent plant with its stiff, vertical foliage. Deer resistant.

Keckiella cordifolia

Keckiella cordifolia

heartleaf keckiella

This Penstemon relative produces a profusion of bright red-orange, tubular flowers on the branch tips late spring into summer which are adored by hummingbirds. It likes to climb through tall chaparral shrubs or spill down slopes. Forms an open arching mound 3 ft. by 3 ft. but can climb 6 ft. or more. Deciduous with winter cold or summer drought, semi-evergreen in milder coastal regions. Requires good drainage in sun to part shade. Moderate to little summer water. Deer resistant.

Keckiella cordifolia – orange-flowered form

Keckiella cordifolia – orange-flowered form

heartleaf keckiella

Climbing penstemon is a striking flowering shrub with an open-arching form, and profuse penstemon-like blooms that are adored by hummingbirds. In this sunny selection, the bright, pollinator-attracting blossoms are a lighter, yellow-orange rather than the more typical scarlet. Slender branches of heart-shaped leaves, laden from late spring into summer with tubular flowers, naturally reach vine-like over nearby shrubs, cascade down slopes, or sprawl between rocks. Can be pruned to stay 3 feet or so, or allowed to climb and spread more than 6 ft.. Native to coastal Southern California, it is semi-evergreen in mild climates, but deciduous inland with winter cold or summer drought. Requires good drainage with coastal sun, but part shade in inland heat. Moderate to little summer water. An excellent deer-resistant habitat plant.

Lasthenia californica ssp. macrantha

Lasthenia californica ssp. macrantha

perennial goldfields

Native along the immediate coast of California and just into Oregon, where it forms low, tight mounds of deep green succulent foliage. Cheerful, bright yellow daisies bloom over a long period. Best in full sun with some summer water and good drainage. Long blooming, open faced flowers are excellent sources of nectar and pollen for butterflies, bees and other pollinators.

Lathyrus vestitus

Lathyrus vestitus

hillside pea, Pacific pea

From woodland to chaparral throughout much of the California coast ranges comes this charming sweet pea relative. Clusters of dainty flowers ranging in color from white to pink and lavender grace this evergreen vine in the spring, followed by clusters of small peapods. Plant along a fence or amongst shrubs where it will climb up to 8 ft. tall and wide. Provide light shade inland but will tolerate full sun near the coast. Drought tolerant once established but will also accept occasional irrigation. This vine is a host plant to the silvery blue butterfly and the arrowhead blue butterfly.

Lavatera (Malva) assurgentiflora

Lavatera (Malva) assurgentiflora

Island mallow, malva rosa

Light green, maple-like leaves with showy, rose-pink flowers with dark veination bloom over a long period from spring to fall. Native to the Channel Islands, this fast growing shrub will grow 10 ft. tall or more. Useful as a drought tolerant, wind resistant, fast growing screen or hedgerow plant, at its best in coastal environments. Inland needs some protection and periodic summer water. Pruning helps maintain a nice habit. Probably best in naturalistic garden designs. A favorite nectar source of orioles.

Lepechinia calycina

Lepechinia calycina

pitcher sage

A super fragrant sage relative with a wide distribution in California’s coastal ranges. White to pale pink or lavender, open-mouthed, tubular flowers appear in late spring and early summer. Fuzzy, grey leaves clothe the plant all year but less densely in the winter. Can grow 2 - 4 ft. tall and wide with a rather lank form which can be improved with regular pinching. A fast growing perennial for sunny to lightly shaded areas with good drainage. Very drought tolerant once established. Attracts hummingbirds. Deer resistant.

Lepechinia calycina ‘Rocky Point’

Lepechinia calycina ‘Rocky Point’

pitcher sage

An excellent form of a native pitcher sage selected by Tilden Botanic Garden. Features a more compact habit, growing 2 ft. or more tall by 4 ft. or so wide. Pale lavender, tubular flowers appear in spring and summer, drawing hummingbirds into the garden. The fragrant, felted foliage is basically evergreen but is less dense in the winter. Plant in full sun to very light shade and provide good drainage. Very drought tolerant once established and deer resistant.

Lepechinia hastata

Lepechinia hastata

pitcher sage

A bold and beautiful sage relative which grows 4’-6’ tall and slowly spreads to form a small thicket. Large, fragrant, grey-green leaves are an excellent foil to the reddish-purple flowers which appear on branch tips in summer and early fall. Great in the flower border or out in the “wild” part of the garden. Easy and tough. Full sun to light shade with moderate to occasional water. Looks best when cut to the ground after blooming is done. Attractive to hummingbirds. Deer don’t seem to eat it.

Lessingia (Corethrogyne) filaginifolia

Lessingia (Corethrogyne) filaginifolia

common sandaster

This California native perennial often hugs the ground, spreading widely, it threads its silvery foliage decoratively among other plants. Bright lavender, yellow centered aster-like flowers give a summer long season of bloom. Provide full sun to light shade, some summer water and reasonable drainage. A nectar and larval food source for butterflies. Deer resistant.

Lessingia (Corethrogyne) filaginifolia ‘Silver Carpet’

Lessingia (Corethrogyne) filaginifolia ‘Silver Carpet’

common sandaster

A variable species, this selection hails from the Big Sur Coast and was discovered by Carol Bornstein. Forms an attractive ground hugging mat 4 ft. or more wide. The gorgeous silver foliage is the perfect foil for the 1 inch lavender-pink daisies with yellow centers. Tolerates a wide range of conditions including full sun to light shade, drought and wind. Useful groundcover, meadow plant or spiller where its flowers are enjoyed by bees and butterflies. Best with some summer water inland. Deer resistant.

Lewisia cotyledon

Lewisia cotyledon

cliff maids

Named for Meriwether Lewis, this attractive succulent is native to higher elevations in Northern California and Southern Oregon, typically granite outcrops. The flowers which usually emerge in spring and summer, can range in color from yellow to orange to pink to red. These frost hardy plants form evergreen rosettes, approx. 8 - 10” tall by a foot or so wide. Lewisias need very good, sharp drainage, are heavy feeders, and love a granite rock mulch. They like to be grown sideways, in rock walls, where their crown can drain any moisture away. Plant somewhat high in a fast draining mix and feed every now and then. Morning sun, afternoon shade is best inland. Water as you would any succulent, sparingly, and keep the crown high and dry.

Lewisia cotyledon – Sunset Strain

Lewisia cotyledon – Sunset Strain

cliff maids

Named for Meriwether Lewis, this attractive and showy succulent is native to higher elevations in Northern California and Southern Oregon, typically on granite outcrops. Abundant floral sprays arise in spring and summer on stalks reaching 6-10" above evergreen foliage. This seed strain has produced a rainbow of flower colors, including: yellow, white, orange, pink and red. The frost hardy rosettes grow to approx. 8-10” tall by a foot or so wide. Lewisias need very good, sharp drainage, and love a granite rock mulch. They like to be grown sideways, in rock walls, where excess moisture drains away. Plant somewhat high in a fast-draining mix and feed every now and then. Morning sun with afternoon shade is best inland. Water sparingly, as you would any succulent, and keep the crown dry.

Lewisia longipetala ‘Little Peach’

Lewisia longipetala ‘Little Peach’

cliff maids

Large flowers with long petals colored peachy apricot make this selection of our native cliff maids a knockout in the garden. Round clusters of narrow, succulent leaves form patches up to about 8 inches wide. The irresistible flowers emerge en masse from between the leaves on slender stalks up to about 10 inches high. A very long bloomer, beginning in spring and often re-blooming in summer. Works really well in a container with lean, fast draining soil, placed in bright partial shade. Water sparingly. For best results, mulch with granite chips and fertilize occasionally. Lewisias are native to the mountains of California and beyond, where they grow in rock cliffs. An excellent choice for the rock garden.

Lewisia longipetala ‘Little Raspberry’

Lewisia longipetala ‘Little Raspberry’

Truckee lewisia

The parent of this strain of Lewisias is found in rocky outcroppings of the Sierra Nevada Mts. Forms low, fleshy rosettes of tough evergreen leaves. Raspberry-red flowers bloom on short stems above the leathery foliage in the spring into summer and often again in the autumn. Requires good sharp drainage and rock mulch, but appreciates partial shade in hot summer areas. Perfect for rock walls, rock garden, containers and troughs. Water as you would any succulent, sparingly, and keep crown high and dry. This is not the plant for your perennial border, but it is easy to make happy in containers.

Lilium humboldtii ‘ssp. humboldtii’

Lilium humboldtii ‘ssp. humboldtii’

Humboldt lily

From the mountains of northern California comes this dramatic, drought tolerant lily, reaching upwards of 10 feet tall in its native habitat of chaparral and open forest. Lowland gardeners can expect a height of 6 feet or so. Large, orange flowers with magenta spots form many stately tiers around the robust stalks with lance-shaped leaves climbing up the base in tidy whorls. Give this rare lily excellent drainage and withhold summer water. Plant in dappled shade.

Lilium humboldtii ssp. ocellatum

Lilium humboldtii ssp. ocellatum

spotted Humboldt lily

Description coming soon.

Lilium pardalinum

Lilium pardalinum

leopard lily

An elegant and beautiful native from moist places and along stream banks in many plant communities from southern Oregon to southern California. A reliable species easily growing 4 ft. tall or more, slowly increasing its width over time. The Turk’s cap style flowers bloom in summer and are orange with red tips and maroon spots. Dies back to the ground in winter. Prefers fertile, well drained soils. Where summers are cool you can plant in full sun. Elsewhere plant in filtered sun, light shade or afternoon shade. Requires moderate summer water.

Lilium pardalinum ‘Giganteum’

Lilium pardalinum ‘Giganteum’

giant leopard lily

A towering lily reaching up to 7 feet tall with orange and crimson flowers 3 to 4 inches wide. Who can resist that! Believed to have been discovered along the Van Duzen River in Northern California and thought to be a natural cross between L. humboldtii and L. pardalinum. The large stalks are crowned in summer by layers of flowers up to 30 in number with whorls of large leaves ascending up the base. Forms colonies over time to dramatic effect. Plant in full sun near the coast but protect from the hot afternoon sun, inland. Needs moderate water but is intolerant of soggy soils. Tolerates drier soil than the typical leopard lily.

Lilium pardalinum (Gualala River)

Lilium pardalinum (Gualala River)

leopard lily

An elegant and beautiful native from moist places and along stream banks in many plant communities from southern Oregon to southern California. A reliable species easily growing 4 ft. tall or more, slowly increasing its width over time. The Turk’s cap style flowers bloom in summer and are orange with red tips and maroon spots. Dies back to the ground in winter. Prefers fertile, well drained soils. Where summers are cool you can plant in full sun. Elsewhere plant in filtered sun, light shade or afternoon shade. Requires moderate summer water.

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