Penstemon fruticosus
Blue-purple, trumpet-shaped flowers with curvy, flared lips cover this diminutive mountain species with a showy display in spring or early summer. Truly a delightful and easy to grow mountain penstemon, only reaching about 12 inches high and spreading to about 1.5 ft, covered in dense, narrow leaves. Perfect for a container or in a rock garden with good drainage. Enjoys full sun to light shade and occasional to infrequent irrigation. Native to the Pacific Northwest and the Northern Rockies, almost making it into California. A favorite of hummingbirds and enjoyed by bees.
Penstemon heterophyllus
Iridescent blue-purple tubular flowers in short spikes put on a good show over a long period in spring and early summer. The spent flower spikes should be cut off to encourage more blooming, better form, and longer life. Best in full sun with well drained soils and moderate to little water once established. Hummingbird favorite.
Penstemon heterophyllus – Hood Mt. seed strain
From the rugged Hood Mountain area, southeast of Santa Rosa, comes this local seed strain of foothill penstemon, which is showing promise as a particularly good performer. Proving to be vigorous and disease resistant, blooming freely with particularly large, vivid-blue, open-mouthed, tubular blossoms, spring into summer. An evergreen perennial, growing about 2 ft. tall and at least as wide, for full sun with decent drainage, and little water once established. Bees, butterflies and hummingbirds are all attracted to the showy flowers. A great, local, seed grown alternative to the cutting-grown 'Margarita BOP'.
Penstemon heterophyllus ‘Blue Springs’
A seed strain of a highly variable native penstemon. Attractive narrow, shiny, bluish-green leaves topped with dense spikes of narrow bell-shaped blossoms of bright blue. Flowers late spring to early summer, growing to around 1 to 1 1/2 ft. tall and wide. The spent flower spikes should be cut off to encourage more blooming, better form, and longer life. Best in full sun with good drainage and moderate to little summer water.
Penstemon heterophyllus ‘GMR White’
An unusual, bright white form of our native foothill penstemon that dazzles with dense blooms from spring to fall. Spring sees the emergence of soft yellow buds on this evergreen perennial, which then open as snowy fresh, tubular flowers. The showy flower stalks reach 18 inches to 2 feet and look spectacular cascading out of a container. A natural selection, its name is an abbreviation of Glendora Mountain Road, the area just north of Los Angeles where it was found. As beloved by hummingbirds and pollinators as the more common blue-violet form of this species and even more shockingly floriferous. Plant in full sun to very light shade where it will have good drainage, and provide occasional to no water. Thrives in large pots. Drought tolerant.
Penstemon heterophyllus ‘Margarita BOP’
A fine selection of a native penstemon from Las Pilitas Nursery where this chance hybrid seedling was discovered at the “Bottom Of the Porch”. Forms a tidy mound 18 inches tall by 2 ft. or so wide. Iridescent blue-purple tubular flowers in short spikes put on a good show over a long period in spring and early summer. The spent flower spikes should be cut off to encourage more blooming, better form, and longer life. Best in full sun with well drained soils and moderate to little water once established. 'Margarita BOP' has proven particularly adaptable and has survived longer than other cultivars. Hummingbird favorite.
Penstemon newberryi
As the common name implies, this beauty is native to the mountains of California, Oregon and Nevada, where it grows in rocky habitats at high elevations. Forms an evergreen mat, under a foot tall with thick, leathery leaves and gorgeous magenta-pink tubular flowers, in mid to late spring. Good drainage is a must for success and growing in a container is an option for those with heavy soils. Full sun to very light shade with occasional summer waterings. Can be challenging to cultivate, but well worth the extra effort. The showy flowers are highly attractive to hummingbirds and butterflies. Said to be deer resistant.
Penstemon newberryi v. sonomensis
This rare, perennial, inland beauty, found only in Sonoma, Napa, and Lake Counties, is a great addition to the dry, inland rock garden. A low mat of small, gray-green, succulent-like leaves gives rise to 5-12” stalks topped with clusters of chunky, tubular, magenta-red flowers with white, fuzzy throats and reproductive structures. Mature plants are no more than 2' wide. A native bee and hummingbird magnet. Plant in full sun with decent soil drainage. Little to no water once established.
Penstemon palmeri
Showy, grape-scented, pale pink flowers top blue-green, succulent-like foliage on vertical stalks reaching an astonishing 4 to 5 ft. in height. The bulbous flowers have given rise to the common name, ballon flower. Native to desert mountains of southern California and throughout the western United States. This penstemon is attractive to a multitude of pollinators, especially hummingbirds. Plant in full sun to light shade and provide good drainage. Drought tolerant once established. The tall but narrow flower stalks make this penstemon useful in narrow spaces where height is desired.
Penstemon parryi
An adaptable species from the desert southwest of the United States. Thick bluish-green foliage forms a low rosette around 2 feet wide. Bright pink funnel-shaped flowers are produced in profusion on stems 2-3 ft. tall in spring. Good drainage and full sun with moderate to little water once established. Attracts bees, butterflies and hummingbirds.
Penstemon pseudospectabilis
From the southeast corner of the state comes this surprisingly adaptable penstemon, with prolific displays of magenta-purple, tubular flowers with flared mouths. Large, serrated, gray-green leaves line stems in attractive pairs. Flower stalks rise 2 – 3 ft. in spring, drawing in hummingbirds and bees. Even though this species is from the desert, it does quite well in local gardens with good drainage, full sun and occasional irrigation once established. Several local butterflies use the desert penstemon as a larval food source, including the common buckeye, variable checkerspot and Edith’s checkerspot.
Penstemon rostriflorus
A wonderful addition to the dry garden, bringing late summer color through abundant, bright red, tubular flowers. Growing 2 - 4 feet tall and wide, with attractive, glossy foliage, that takes on red and bronze tones in winter. A late blooming Penstemon, beginning in July, provides copious nectar for hummingbirds as well as bees, butterflies, and moths. Tolerant of wide range of soils and conditions, plant in full sun to light shade with occasional water. Drought tolerant once established.
Penstemon rydbergii
A widespread species native to much of the western United States, including California, growing in mountainous regions in moist meadows and along streams. Forms a low rosette of bright green leaves topped with flower stems 1 -2 foot tall. The small, lavender-purple, tubular flowers are clustered in whorls on dense spikes. The blossoms offer an excellent source of nectar and pollen to hummingbirds, bees and butterflies, as well as a larval food source for a number of butterfly species. Considered easy to grow and long lived. Plant in full sun to light shade with regular moisture. Somewhat winter deciduous. Deer resistant.
Penstemon speciosus
Found in higher elevation localities of inland Northern California, royal penstemon is a vibrantly colorful addition to the dry, full sun garden. In summer, the large, saturated blue-purple florets are held in clusters on stems rising almost 2’ tall above a low, evergreen rosette of glossy, strap-like foliage, reaching 1' - 2' wide. Attracts a multitude of pollinators. Does best with decent soil drainage, and inland sites that provide seasonality—colder winters, and hotter summers. Drought-tolerant once established.
Penstemon spectabilis
A spectacular Penstemon native to dry, gravelly slopes of southern California and northern Baja. Demanding good drainage and full sun, this perennial grows 3 ft. or more tall with striking displays of lavender-purple tubular flowers. A challenging species with a sensational floral display, but can be short lived in northern California. Performs best in hot inland gardens. Take care not to over water. Highly attractive to hummingbirds as well as bees and butterflies.
Penstemon strictus
Showy perennial, native to a number of states in the Rocky Mountains, where it grows in sage brush and coniferous forest communities. Forming clumps of neat evergreen foliage 8 - 10 inches tall by 36 inches wide. Mid to late spring brings flowering stems 2 foot or so above the foliage with deep blue-purple tubular flowers. Considered one of the easier to grow, tolerating heavier soil and moisture better than many Penstemon species. Still, good drainage is best with little summer water once established. Plant in full sun to light shade in hot regions. Very cold tolerant. Penstemons are attractive to hummingbirds, bees and butterflies.
Penstemon venustus
This jewel of the mountains displays richly toned, trumpet-shaped flowers of blue to lavender held on stalks reaching 1 – 3 ft. tall. Dark green, serrated leaves form a low mound up to 2ft. wide over time. Hummingbirds love the tubular flowers as do bees. Plant in full sun with excellent drainage and water infrequently. While native to much of the West, this penstemon doesn’t quite make it into California.
Platanus racemosa
This most Californian of trees from the southern and central parts of our state features stunning bark mottled white and grey on a large, sculptured trunk. The maple-like leaves create an open canopy on this stately tree which can reach up to around 80 ft. tall at maturity. Seeds are produced in fuzzy pom-poms dangling on short stems and are a great food source for birds. In autumn, the leaves can turn orangey-yellow before they drop, adding rare fall color to the California landscape. Makes its home in sunny, low-lying areas and canyons with moderate to occasional irrigation. A great shade tree for the large garden and a larval host for the Western tiger swallowtail butterfly. Deer resistant.
Prunus ilicifolia ssp. ilicifolia
Hollyleaf cherry is a large, evergreen shrub that can grow more than 15 feet tall and wide, but is easily pruned to be more compact. This adaptable foothill native can be clipped into a formal hedge, pruned to be treelike, or left to its own natural gumdrop-shaped habit. Often it is used for background or screen plantings. Glossy, holly-like leaves are accompanied by showy displays of creamy-white flowers in narrow spikes from late spring to early summer. Plant in full sun to very light shade. Looks best with occasional deep waterings, but can tolerate very dry conditions once established. Although it requires good drainage, it is tolerant of heat, drought, wind and oak root fungus. An excellent habitat plant, offering food and cover for wildlife. Birds enjoy the small reddish-purple cherries. Generally deer resistant.
Prunus ilicifolia ssp. lyonii
This subspecies of our native cherry comes from Southern California and can be grown as a large shrub or trained into a small tree. The Catalina cherry is evergreen, with soft, glossy leaves and without the toothed leaf margin of our more local hollyleaf cherry. Gorgeous, creamy-white flower clusters make a showy display in spring. The purple-red fruits are edible, but are mostly preferred by wildlife. At 20-40 feet in height and slightly narrower in width, it is also larger than the hollyleaf cherry, but is prunable to 8-10 feet. Its dense foliage makes an excellent hedge. Does best in well-drained soil with occasional deep watering once established. The flowers are adored by pollinators. Robins, finches, towhees, Cedar waxwings and mockingbirds eat the cherries.
Prunus virginiana v. demissa
Large, deciduous shrub or small tree with red-purple bark and dark green foliage. Growing 8 foot or more tall and spreading slowly to form a thicket. Striking racemes of fragrant white flowers in the spring followed by dark red fruits which can be sweet but astringent. Foliage can take on nice fall color before dropping its leaves. Fabulous habitat plant drawing bees, butterflies and other pollinators to its flowers. Birds, especially bluebirds, adore the fruits and are known to swoop in and finish them off quickly. Where summers are hot, light or part shade is best, with regular to occasional water once established. They often grow where there is seasonal moisture in the spring, but somewhat dry as the season progresses.
Quercus agrifolia
A beautiful and stately evergreen oak, native to many plant communities from Mendocino County south to Baja. One of the fastest growing California oaks and a versatile landscape subject as long as space allows. Young trees have a dense rounded canopy covered with thick, dark green, oval and convex leaves with spiny margins. Smooth gray bark becomes furrowed with age. Flowers are produced on short yellow hanging catkins followed by long tapered acorns. In time, develops a magnificent architecture with broad spreading branches. Planting native oaks provides beauty, shade, food and cover to a dazzling array of wildlife. Plant in sun to light shade. No additional summer water required once established.
Quercus chrysolepis
A handsome evergreen oak with a rounded, spreading crown, 20 - 60 ft tall and wide. The leaves of its broad, low canopy are dark-green and shiny with fuzzy gold or silver hairs on the underside. Native from Oregon to Baja, it is the most widely distributed oak in California. Often grows near creeks, but requires only occasional water. Plant in full sun to light shade where it will be drought tolerant once established. A good choice for bank stabilization. Like other oaks, it is habitat powerhouse, offering food and cover for a huge variety of wildlife.
Quercus douglasii
This is the oak of California’s interior, where hot and dry summer conditions prevail. A medium-sized oak, growing 20 to 50 feet tall, The canopy is compact and round with bluish-green lobed leaves. The acorns are oval shaped with shallow caps. Grows slowly but is long lived. A well sited oak is a gift to future generations of humans as well as a myriad of wildlife. Plant in full sun where it will be extremely drought tolerant once established.
