Southern California Walnut – Juglans californica                         (JUG-lans ka-li-FOR-ni-ka)                       ...
California Goldenrod – Solidago californica                    (sol-i-DAY-go ka-li-FOR-ni-ka)Family: Asteraceae (Sunflower...
Big (California) Gum Plant – Grindelia camporum                      (grin-DELL-ee-uh camp-OH-rum)Family: Asteraceae (Sunf...
Toyon/CA Christmas Berry – Heteromeles arbutifolia (het-er-AH-mel-eez                         ar-bew-ti-FO-lee-uh)Family: ...
Silver Bush Lupine – Lupinus albifrons (var. albifrons)                     (loo-PINE-us AL-bee-frons)Family: Fabaceae (Pe...
Wavy-leaf Soap Plant – Chlorogalum pomeridianum var. pomeridianum(kloh-ROH-gal-um pom-er-id-ee-AY-num)Family: Liliaceae (L...
Peninsula/Mexicali Onion – Allium peninsulare var. peninsulare(AL-ee-um pen-in-soo-LAIR-ee)Family: Alliaceae (Onion Family...
Plant info sheets mar2013
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Plant info sheets mar2013


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Plant info sheets mar2013

  1. 1. Southern California Walnut – Juglans californica (JUG-lans ka-li-FOR-ni-ka) nut in hullFamily: Juglandaceae (Walnut Family)Native to: Coastal regions and coastal ranges of CA from central coast to San Diego Co.; is locallydominant in the coast live oak areas of S. oak woodland; occasional isolated stands in chaparral,coastal sage scrub and even grasslands. Often on slopes, or in canyons, valleys, riparian areas.Growth characteristics: woody tree/ lg. shrub mature height: 20-40 ft. mature width: to 25 ft.Large deciduous shrub or tree. Often multi-trunked but may form a rounded tree shape. Bark gray-brown & furrowed with age. Leaves turn bright yellow in fall. Nuts are edible and husks are used fornatural black dye. Wood is used for woodworking. Lifespan: 100 years.Blooms/fruits: Blooms Apr-May. Flowers small, clustered on drooping branches. Male and femaleflowers on same plant (monoecious) and wind pollinated (self-fertile). Nuts ripen in August.Uses in the garden: Most appropriate for larger gardens, hillsides, canyons. One our best trees for bird& animal habitat. Excellent shade tree. Attractive foliage. Difficult to grow plants beneath it due tochemicals released from leaves (allelopathy).Sensible substitute for: Non-native medium-sized trees including Eucalyptus, LiquidamberAttracts: Excellent bird habitat: provides cover, perching and nesting sites, and seeds for food (jays,pigeons, doves). Squirrels love the nuts. Flowers attract insects, butterflies.Requirements:Element RequirementSun Full sun (more tree-like) to part-shade (more shrub-like)Soil Does well in clays, but ok with any texture; any local pHWater Low needs; best with no summer waterFertilizer None requiredOtherManagement: Not much required. If needed, prune only when dormant (fall). Subject to gopherand ground squirrel predation.Propagation: from seed: best from fresh seed in fall. Plant either in deep pots or in prepared gardensite. Seeds may benefit from 1-2 min hot water soak. Plant out seedlings while small by cuttings:not usually donePlant/seed sources (see list for source numbers): 1, 7, 12, 13, 14 8/19/06 © Project SOUND
  2. 2. California Goldenrod – Solidago californica (sol-i-DAY-go ka-li-FOR-ni-ka)Family: Asteraceae (Sunflower Family)Native to: Much of west coast of N. America, including CA (mostly W. of Sierras); dry or moist areas,either in the open or in shaded woods, from coastal sage scrub to yellow pine forest. Also cleared ordisturbed places.Growth characteristics: creeping perennial mature height: 1-3 ft. mature width: 1-3 ft.Robust herbaceous perennial that spreads by rhizomes. Dies back to ground in winter in colder areas.Stems and leaves are dark green to gray-green colored and densely fuzzy. Quick growing. Formslarge colonies in moist environments – less so in summer dry conditions.Blooms/fruits: Blooms summer/fall, usually July-Oct. along coast. Showy clusters of small, yellowflowers on wand-like flowering stalks. Seeds wind-spread.Uses in the garden: Truly a striking accent plant in the wild or in garden. Provides welcome fall color.Does well in pots and planters, where it can be contained. Great for slopes, meadows.Sensible substitute for: Non-native perennial yellow asters, chrysanthemums.Attracts: Excellent habitat plant for many species. Butterflies, bees and other insects collect nectarfrom the flowers. Seed-eating birds and insects eat seeds. Plants also provide cover.Requirements:Element RequirementSun Full sun to light shadeSoil Any, including poorly-draining claysWater Tolerates winter flooding. Very drought tolerant, but blooms better with occasional summer water. Regular summer water encourages rapid growth.Fertilizer None neededOtherManagement: Easy to grow. Spreads via rhizomes, but easily controlled by removing unwantedstems during winter dormant period or planting in contained environment.Propagation: from seed: challenging; use fresh seed; slow germination by divisions: easyPlant/seed sources (see list for source numbers): 1, 2, 7, 8, 10, 11, 13, 14, 20, 21, 25 12/13/10 © Project SOUND
  3. 3. Big (California) Gum Plant – Grindelia camporum (grin-DELL-ee-uh camp-OH-rum)Family: Asteraceae (Sunflower Family)Native to: Central & S. CA coast. On dry banks, rocky or sandy fields, along roadsides, in dry washesand stream banks, saline soils.Growth characteristics: perennial sub-shrub mature height: 2-4 ft mature width: 2-4 ftErect, herbaceous/woody perennial with alternate, leathery leaves. Leaves, stems and flowers aresticky-resinous.Blooms/fruits: Attractive yellow “daisy” flowers from Mar-Oct. Bracts below heads are down-curved.Uses in the garden: In cultivated beds (mid-bed). Good for sandy, relatively infertile soils. Flowersattractive, numerous, long-lasting. Scented (balsamic scent). Great for butterfly, pollinator or birdgarden. Looks great with blue or purple flowers, or with native bunch grasses. Good for dry gardens(xeriscaping) or salty/alkali soils.Sensible substitute for: non-native bush sunflowers: Gloriosa Daisies (Rudbeckia), ChrysanthemumsAttracts: Butterflies; many species of bees; beetles and other interesting insects. Birds eat seeds.Requirements:Element RequirementSun Full sunSoil Sandy to medium – well-drained best but tolerates clay; pH 6-8Water Low needs, particularly when flowering. Will tolerate more if soil well-drainedFertilizer None neededOther Tolerates alkali and salty soilsManagement: Easy to grow. Cut back to near the ground after flowering to keep from getting leggy.Propagation: from seed: Easy. Collect seed from dry heads in summer/fall. Seeds may be dried andstored for planting in spring. In S. Bay can be planted in pots or in the ground Oct-Nov. Rake seedsin lightly (barely cover).Plant/seed sources (see list for source numbers): 1, 2, 6, 12, 13, 14, 16, 20 12/1/10 © Project SOUND
  4. 4. Toyon/CA Christmas Berry – Heteromeles arbutifolia (het-er-AH-mel-eez ar-bew-ti-FO-lee-uh)Family: Rosaceae (Rose Family)Native to: Chaparral, Coastal Sage Scrub and Coastal Shrub communities from S. Oregon to Baja.Often on semi-dry slopes, canyon walls, back-dune areas. Var. macrocarpa – S. Channel islands.Growth characteristics: lg. evergreen shrub/tree mature height: 6-10’ (to 30’) mature width: 4-6’In nature, usually a many-branched shrub – but highly variable. Leaves and branches stiff. Naturalshape is rounded, fairly dense. Can be shaped into tree by removing lower branches. Grows taller inshady environments.Blooms/fruits: clusters of showy white blooms in summer; bright red berries in fall/winter.Uses in the garden: for erosion control on slopes. As a specimen plant (attractive year-round). Canbe pruned as hedge/hedgerow. Good under/with Live Oaks and Ceanothus. Foliage used for holidaydecorations. Makes a good screen or espalier – quite adaptable with pruning. Foliage makes andorange natural dye. Berries toxic if consumed in large amounts.Sensible substitute for: Non-native Pyracantha;Cotoneaster;Holly;Scarlet Wisteria;Acacia;MyoporumAttracts: butterflies (flower nectar); birds (esp. Cedar Waxwings, wrentits) and other songbirds relishthe berries.Requirements:Element RequirementSun Full sun to full shadeSoil Any well-drained; any pH is fineWater Tolerates some supplemental water in summer (better fruiting); keep leaves dry (susceptible to fungal diseases)Fertilizer None neededOtherManagement: prune yearly (Feb-Mar) to maintain shape. Flowers/fruits borne on year old wood.Watch for fungal disease, particularly in warm, wet weather.Propagation: from seed: relatively easy in winter/spring. Soak berries in water about 1 week thenrub through sieve to clean. Store dry seeds cool. Plant shallow. Sow 10-20 seeds/cup.Plant/seed sources (see list for source numbers): 1-3, 5, 7, 9, 10, 12-14, 16-21, 23-25, 28 12/5/10 © Project SOUND
  5. 5. Silver Bush Lupine – Lupinus albifrons (var. albifrons) (loo-PINE-us AL-bee-frons)Family: Fabaceae (Pea Family)Native to: Coastal and central CA and N. Channel Islands; dry open meadows, prairies, and forestopenings in coastal sage scrub, chaparral, oak woodlands.Growth characteristics: perennial shrub mature height: 3-5 ft. mature width: 4-5 ft.Mounded shrub with striking silver foliage. Leaves, which are palmate (like a hand) are covered withsoft, silvery hairs. Plant has a neat, fine-textured appearance. Drought-deciduous. May be short-livedin the garden setting – but can propagate from seed.Blooms/fruits: Blooms in spring, anytime from Mar-June depending on the rains. Flowers areclustered on stalks above the foliage – typical for lupines. Flower color is an iridescent blue to purple.Flowers are sweetly fragrant.Uses in the garden: Makes a wonderful specimen plant for it’s flowers and foliage. Looks particularlynice combined with native grasses, annual wildflowers and yellow-flowered coastal plants such as DuneWallflower, Coastal CA Poppy, plants in the Sunflower family. Does fine in sunny areas under oaks.Fine for low maintenance areas along roads, parking strips. Plant where you can enjoy the floral scentand the visits of pollinators.Sensible substitute for: Non-native lupines (e.g. Russell Lupine).Attracts: Excellent Dove habitat: provides cover and seeds for food. Pollinators are large bees,hummingbirds. Larval food plant for Blue butterflies.Requirements:Element RequirementSun Full sun.Soil Well-drained soils; any local pH.Water Little to no water once established (Zone 1 or 1-2; possibly Zone 2 in sandy soils)Fertilizer None; can kill with fertilizer. Plant roots fix nitrogen.OtherManagement: Little management required as long as plant is watered correctly. Plants aresusceptible to slugs, snails and caterpillars, all of which can kill the plant. Deer, rabbits will eat.Propagation: from seed: hot water soak by cuttings: probablyPlant/seed sources (see list for source numbers): 1, 3, 7, 8-11, 13, 16, 19, 28 12/7/10 © Project SOUND
  6. 6. Wavy-leaf Soap Plant – Chlorogalum pomeridianum var. pomeridianum(kloh-ROH-gal-um pom-er-id-ee-AY-num)Family: Liliaceae (Lily Family)Native to: Southern OR to Baja CA; commonly grows in valley grassland and more sheltered (shady)sites in the coastal sage scrub, chaparral and oak woodland.Growth characteristics: clumping perennial mature height: 1-3 ft. mature width: 1-2 ft.Mounded herbaceous perennial with basal tuft of strap-like leaves. Leaves are spreading and havewavy edges. Plant dies back to bulb in fall.Blooms/fruits: Blooms May-July. Small white star-shaped (lily-type) flowers with purple veins on astalk that rises above the foliage (3-5 ft). Flowers open in late afternoon; individual blooms last onlyone day. Attractive, fragrant flowers ‘float’ above the foliage. Fruit: green-black capsule.Uses in the garden: Most often used as attractive addition to front of garden beds, dry gardens, rockgardens & prairies, along walls. Does fine in filtered sun under trees. Young shoots can be eaten rawor baked. Bulb can be thoroughly baked or boiled (to remove toxic saponins) and eaten. Plantalso used to make soap, shampoo, glue and natural brushes.Sensible substitute for: Non-native small-flowered lilies, Agapanthus.Attracts: Small mammals eat pods and roots. Moth caterpillars eat foliage.Requirements:Element RequirementSun Full sun to part-shade; can survive in low light conditions, but many not flower.Soil Any; prefers well-drainedWater Regular water to semi-dry during growth season; withhold water in late summer/fall.Fertilizer Benefits from organic mulchOtherManagement: Fairly easy to grow. Gophers/squirrels may eat the bulbs.Propagation: from seed: fairly easy; take 5 to 7 years to reach reproductive age from bulbs: dividebulbs in early fall (dormant). Plant in place (larger bulb offsets) or in pots in fall. Fairly easy.Plant/seed sources (see list for source numbers): 1, 5, 8, 10, 12, 13, 18, 19 11/25/10 © Project SOUND
  7. 7. Peninsula/Mexicali Onion – Allium peninsulare var. peninsulare(AL-ee-um pen-in-soo-LAIR-ee)Family: Alliaceae (Onion Family)Native to: Foothills of Central and SW CA. Locally in Santa Monica Mtns, Catalina, San Gabriels; onslopes and flats that are winter-wet but summer dry, often in grassland, chaparral.Growth characteristics: clumping perennial bulb mature height: 1-2 ft. mature width: 1-2 ft.Perennial bulb which dies back to the ground after flowering. Single to several simple, stiff C-shapedlinear leaves that die back before flowering. Bulb small (to ~ 1 inch) rounded, smelling like onion.Blooms/fruits: Blooms in spring, usually April-May. Flowers in an umbel-like cluster atop floweringstems. Flowers bell-shaped, magenta to pink/purple (rarely white). Very showy – among the best ofour showy onions.Uses in the garden: Most often used in dry flowering beds or in containers. Nice in a meadow orcoastal prairie area – will take a little summer water. Pair with local grasses, annual wildflowers.Sensible substitute for: Non-native Alliums.Attracts: Good bird habitat: provides seeds for food.Requirements:Element RequirementSun Full sun to part-shade.Soil Most local textures & pH.Water Best summer dry (Zone 1 or 1-2 after flowering).Fertilizer NoneOtherManagement: Leave dry leaves on until fall. Little/no summer water.Propagation: from seed: yes by bulbs: fairly easy – 3rd year bulbs will flower.Plant/seed sources (see list for source numbers): 8, 20, 30, 43 2/28/13 © Project SOUND