Trees lg shrubs-3-11

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Trees lg shrubs-3-11

  1. 1. S. California and Other Native Trees & Large Shrubs for Western L.A. County Gardens I Scientific Name Common Name Trees and Tree-like Large Shrubs Size Flower/ season Light** Soil Water Zone+ Availability Notes 6, 8, 13 Showy seed; fall color 1, 8, 13, 24 Dioecious; fall color (yellow) X *Acer circinatum Vine Maple 10-25 ft t and wide Green/Sp PS/FSH Welldrained X Acer negundo Boxelder 30-50 ft t 30 ft wide Green/Sp FS/PS Any X Aesculus californica CA Buckeye White/ Sp-Su FS/PS Any welldrained 1 1, 3, 7, 8, 13, 14 Alnus rhombifolia White Alder Green/Sp FS/PS Any incl. clay 2-3 to 3 3, 6, 8, 13, 14 Tol. flooding 1, 3, 8, 12-14 20, 24 Blue-green foliage; ‘Canyon Blush’ is 4 ft. tall 13 Evergreen; good in gardens 12-30+ ft tall & w 50-75 ft tall 20-40 ft w. 2 2 or 2-3 X Arctostaphylos glauca Big-berry Manzanita 7-10 ft tall & wide White/ Sp FS/PS Welldrained 1-2 ** Arctostaphylos manzanita ‘Dr Hurd’ ‘Dr. Hurd’ Manzanita To 15 ft t 10 ft wide Pink/W-Sp FS Welldrained 1 to 1-2 X Baccharis salicifolia Mule Fat To 10 ft Pink-white/ all year FS/PS Any X Ceanothus arboreus Catalina Ceanothus <20 ft. t 8-10 ft w Blue/Sp FS/PS Any welldrained ** Ceanothus ‘Ray Hartman’ ‘Ray Hartman’ Ceanothus To 20 ft t 10-15 w Lt. blue/Sp * Cercis orbiculata/ occidentalis Western Redbud 6-20 ft tall 10-15 ft w Magenta/ Sp Mountain Mahogany 6-8 ft tall 4-6 ft wide Birchleaf Mountain Mahogany X Cercocarpus betuloides var. glaber Cercocarpus montanus var. blancheae/ C. X alnifolius/ C. betuloides var. blancheae X Cercocarpus traskiae X * Chilopsis linearis ssp. arcuata 1-2 to 2-3 1 1, 2 1, 3, 7, 9, 14, 19 Any 1-2 to 2-3 1, 6, 9, 13 FS/PS Any incl clay 1-2 to 2-3 1, 3, 5, 6, 8, 10, 13, 14, 16, 19 Yellowwhite/Sp PS Welldrained 1-2 to 2 6-12 ft tall 4 ft. wide Yellowwhite/Sp FS Welldrained 1-2 Catalina Isl. Mountain Mahogony 7-24 ft tall Yellowwhite/Sp FS Rocky best Desert Willow 5-25 ft tall and wide Pink/ Sp-F FS FS/PS Any welldrained 1 1 to 1-2 Spreading; evergreen; good for garden Fall color (red, orange); edible fruit, flowers 1, 13, 28 1, 7, 13 Hedge; evergreen; upright form 8 evergreen; silvery seeds; endangered 1, 7, 10, 13, 14, 16, 18 Showy flowers; winter decid. 1
  2. 2. Common Name Size Flower/ season Comarostaphylis X diversifolia ssp. planifolia Summer Holly < 18 ft tall White/Sp FS/PS Any welldrained 1 X Cornus glabrata Brown Dogwood < 18 ft tall to 10 ft w White/Sp FS/PS/ FSH Clay best 2-3 Arizona Cypress 30-40 ft t 15-25 ft w insig FS Any welldrained 1 to 2 Tecate Cypress 20-30 ft tall 6-8 ft wide Insig FS Any welldrained 1 to 1-2 6, 8, 14, 24 ** Cupressus macrocarpa 'Citriodora'/’Goldcrest’ ‘Citriodora’ Monterey Cypress 20-30 ft t 6-8 ft wide Insig FS/PS/FSH Welldrained 2 to 2-3 6, 9, 13, * Forestiera neomexicana (pubescens) Desert Olive 8-15 ft t 8 ft wide Yellow/Sp FS Any welldrained 1-2 to 2 6, 8 Crème/Sp FS Any welldrained 1-2 1, 13 FS Any welldrained 2-3 1, 8, 13 I Scientific Name * Cupressus arizonica X * Cupressus forbesii X X *Fraxinus dipetala California Ash < 25 ft tall Light** Soil Water Zone+ Availability Notes 10, 14, 16 1, 13 1, 13, 14 Evergreen Cypress; heat fine; windbreak Hedge (to 12 ft); fast growth; neat-looking For narrow screen; lemon scent; coastal Berries for birds; graygreen foliage Tolerates seasonal flooding Winter deciduous; large size Hairs cause dermatitis; ‘El Dorado’, ‘Pine Hill’ ‘CA Glory’, ‘Dara’s Gold’, ‘Ken Taylor’ ‘Pacific Sunset’ Good under oaks; 'Evie', ‘James Roof’ Tolerates some heat Velvet Ash 30-50 ft t 20-50+ ft w Insig/Sp CA Flannelbush 5-15+ ft tall & wide Yellow/SpSu FS/PS Welldrained essential 1 1, 5, 7, 10, 13, 14, 16 Southern (Mexican) Flannelbush 5-15 ft tall & wide Yellow/SpSu FS/PS Welldrained essential 1 1, 3. 9, 10, 13, 14 X * Garrya elliptica Coastal Silktassel 12 ft tall & wide Cream/W FS/PS Any welldrained 1 to 1-2 X * Garrya fremontii Fremont’s Silktassel Cream/W FS/PS Welldrained 1-2 to 2 8, 13 X * Garrya veatchii Canyon Silk Tassel Bush Cream/ WSp FS/PS Any 1-2 to 2 1, 13 Evergreen; silvery 6, 8 Coastal; narrow hedge/screen * Fraxinus velutina * Fremontodendron X californicum ssp. californicum X Fremontodendron mexicanum * Hesperocyparis (Cupressus) goveniana Gowen’s Cypress 5-15 ft tall 8-10 ft w 6-15 ft tall 6-8 ft wide 10-30+ tall 6-10 ft w Insig FS Tolerates clay 2 3, 8, 14 2
  3. 3. Common Name Size Flower/ season Light** Soil Toyon 6-10 ft + 4-6 ft w White/Su FS/PS/FSH Any welldrained 1-2 Creambush; Ocean Spray S. California Walnut 10-20 ft tall White/Su-Fa FS/PS Any, incl. clays 20-40 ft ta Green/Sp FS/PS Island (Rose) Mallow 8-12 ft tall & wide Magenta/ yr round Lyonothamnus X floribundus ssp. Catalina Ironwood To 50 ft t 15-30 ft w Whiteyellow/ SpSu X Malosma laurina Laurel Sumac <18 ft tall and wide White/Sp * Morella (Myrica) X californica California Wax Myrtle 6-30 ft t 10-20 ft w Yellowwhite/Sp FS/PS/ FSH X * Pinus torreyana Torrey Pine 40-60 ft t 30-50 ft w Insignif/ Sp FS/PS Platanus racemosa California sycamore 60-100 ft Bright pink/Sp FS Populus balsamifera ssp. trichocarpa Black Cottonwood 30-60 (100 ft) Yellow/Sp FS To 100 ft 80 ft w Yellow/Sp 6-25 ft tall 6-15 ft w I Scientific Name X Heteromeles arbutifolia X * Holodiscus discolor X Juglans californica Lavatera X assurgentiflora ssp. glabrata & assurgentiflora aspleniifolius & floribundus X Populus fremontii X * Prunus virginiana var. demissa X Prunus ilicifolia ssp. ilicifolia & lyonii X Quercus agrifolia Quercus tomentella Water Zone+ Availability Notes 1, 3, 5, 7, 9, 10, 13, 14, 16, 18 Berries toxic in lg. amounts 1-2 to 2-3 1, 5, 13, 14 Fragrant at a distance Clays best 1 1, 7, 12, 13, 14 allelopathic FS/PS Welldrained 1 1, 2, 13 FS/PS Any welldrained FS any Any; we;;drained best Welldrained Any but high alkali 1-2 1, 3, 7, 9, 13, 14 Evergreen 1 to 1-2 1, 7, 8, 10, 12, 13, 14, 16 2-3 to 3 3, 5, 7, 9, 13, 14, 19 Evergreen; good for hedges; purple berries 1 to 1-2 1, 3, 13, 14, 20 Pine scent Can live to 400 yrs; no salt tolerance Grows large with abundant water 2-3 1, 3, 7, 12, 14 any 2-3 1, 7, 14 FS Any 2-3 1, 3, 14 Long-lived Cream/Sp FS/PS Any 2 to 2-3 6, 13 fruits for jelly, bird habitat < 50 ft White/Su PS any 1-2 Coastal Live Oak 10-70 f tall 40-70 w. Yellow/W-Sp Island Live Oak To 50 ft T 20-30 ft W Yellow/Sp Fremont’s Cottonwood Western Chokecherry Holly-leaf and Catalina Island Cherries FS/PS Coarsemed. 1 FS Welldrained 1 to 1-2 1, 7, 9, 12, 13, 14, 19 1, 2, 18 Long-lived 9 3
  4. 4. I Scientific Name X Salix exigua Salix gooddingii Common Name Size Flower/ season Narrow-leaf Willow 6-15 ft 12-15 ft.w. Yellow/Sp FS/PS any Goodding’s Black Willow To 100 ft T Yellow/Sp FS any FS/PS any Yellow/Sp FS any 20-40 ft T Yellow/Sp FS any 8-25+ ft White/Sp-Su FS/PS White/Sp-Su X Salix lasiolepis Arroyo Willow X Salix laevigata Red Willow Salix lucida ssp. lasiandra X Sambucus nigra ssp. cerulea Pacific (Shining) Willow Blue (Mexican) Elderberry 8-35 ft to 35 ft w. 10-30 ft to 45 ft w. Yellow/W-Sp Light** Soil Water Zone+ 1-2; winter flooding 1-2; winter flooding 1-2; winter flooding 1-2; winter flooding 2-3 to 3 Availability 1, 2, 3, 14 2 Notes Spreading via roots Needs winter flooding 1, 2 spreads 1, 2, 3, 12, 14 ‘weeping’ growth habit 1, 7, 13, 14 Welldrained 1-2 1, 2, 3, 7, 10, 12-14, 16, 19 FS any 1-2 1, 7, 10, 13, 14, 16, 18 Purple/ PS/FSH Most 1-2 or 2 1, 8, 10, 13 Scented foliage 6-12 ft 4-10 ft w. Purplebrown/ Sp-Su FS/PS Welldrained 1-2 to 2-3 1, 6, 13, 14 Can be weedy; cultivar: ‘Dark FS Clay fine 1-2 to 2 6, 13, 24 Nice flowers; maroon branches 1, 13, 14 Well-drained soil Edible berries Large Shrubs (> 6 ft tall; including those for screens and hedges) X Adenostoma fasciculatum Chamise 3-10 ft tall 3-6 ft wide 3-9 ft tall 3-6 ft wide X Amorpha californica CA False Indigo X * Amorpha fruticosa False Indigo ** Arctostaphylos bakeri ssp. bakeri 'Louis Edmunds' Arctostaphylos X catalinae ** Arctostaphylos densiflora 'Howard McMinn' ** Arctostaphylos densiflora 'Sentinel' ** Arctostaphylos densiflora x bakeri 'Baby Bear' & 'Mama Bear' ‘Louis Edmunds’ (Sepentine) Manzanita 5-8 ft tall 8 ft wide Pink/Sp Catalina Manzanita 6-18 ft tall 5-8 ft wide Pink/W-Sp FS/PS Any welldrained 1-2 to 2-3 ‘Sentinel’ (Vine Hill) Manzanita 4-8 ft tall 6-10 ft w Pink/W-Sp FS/PS Any, incl. clays 2 to 2-3 ‘Sentinel’ (Vine Hill) Manzanita 5-8 ft tall 3-7 ft wide Pink/W-Sp FS/PS Welldrained incl sand 1-2 ‘Baby Bear’ & ‘Mama Bear’ Manzanitas 5-8 ft tall 3-8 ft wide Pink/W-Sp FS Welldrained ‘Austin Griffith’ Manzanita 6-10 ft tall 4-8 ft wide Pink/W-Sp FS/PS Welldrained; sandy ** Arctostaphylos 'Austin Griffith' Lance’ 1, 3, 13, 14 6, 8, 13, Good for birds, butterflies; open growth 1-2 to 2 6 Showy flowers, foliage 1-2 to 2 6, 13, Relatively fastgrowing; open habit 4
  5. 5. Scientific Name Common Name Size Flower/ season Atriplex lentiformis ssp. breweri Coast Quailbush/ Big Saltbush To 8 ft tall To 20 ft w Green/Su FS X Baccharis emoryi Emory Baccharis 6-12 ft T to 10 ft W Buff-Wht/ Su-F FS/PS any X Baccharis pilularis Coyote Bush To 8 ft Cream/F FS/PS any I X Light** Soil Any incl. alkali, salty X ** Baccharis pilularis ‘Pigeon Point’ Pigeon Point Coyote Bush 6-12 ft T to 10 ft W Buff-White/ Su-F FS/PS any X Baccharis plummerae subsp. plummerae Plummer's Baccharis < 7 ft tall Buff-Wht/ Su-F FS/PS any Western Spicebush 6-12 ft tall 4-6 ft wide FS/PS Pref.light deep rich Bush aneneme 6-8 ft tall 6-12 ft W PS/FSH Welldrained White/Sp FS Welldrained X * Calycanthus occidentalis * Carpenteria californica * Ceanothus cuneatus X var. cuneatus X Purplebronze/ Sp-Su WhiteYellow/ Spr Wedgeleaf Ceanothus San Diego/ Lakeside Ceanothus 4-10 ft tall 6-8 ft w 10-15 ft t 6-10 ft w Blue/Sp + FS/PS ** Ceanothus ‘Sierra Blue’ C. cyaneus X ? ‘Sierra Blue’ Ceanothus 10-15 ft tall & wide Dark blue/ Sp FS x * Ceanothus integerrimus Deerbrush 3-6+ ft t White/Sp FS/PS X * Ceanothus leucodermis Chaparral Whitethorn 8-12 ft t 10 ft wide Lt. bluewhite/Sp FS Big-pod Ceanothus To 12 ft tall Whitelavender/ Sp ‘Concha’ Ceanothus 4-6 ft. tall & wide Dark Blue/ Sp ‘Dark Star’ Ceanothus 6-8 ft high 5-8 ft wide Dk blue/ WSp X * Ceanothus cyaneus X Ceanothus megacarpus ** Ceanothus ‘Concha’ Ceanothus papillosus var. roweanus X C. impressus Ceanothus impressus x papillosus ‘Dark Star’ FS/PS Many Welldrained Any Sandy/ rocky Any welldrained Water Zone+ 1-2 1 to 1-2 Winter flooding 1-2 1 to 1-2 Winter flooding 1 to 1-2 Winter flooding Availability Notes 1, 2, 16 Maintain size through pruning 1, 7, 10, 13, 14, 16 Salt tolerant 1, 2, 3, 5, 10, 13, 14, 16, 18 1, 2, 7, 8, 10, 13, 14, 16, 20 ? 1, 13, 14 Spicy; wine-like fragrance 1-2 to 2-3 1, 3, 7, 13, 14, 19 Showy, fragrant flowers 1-2 1, 3, 8, 10, 13, 16, 21, 24 Showy in spring 3, 8, 20, 24 Tolerates heat; may be shortlived (10+ yr) 1-2 3, 6, 13, Good for coastal gardens 1 to 2 3, 13, 16 Drought decid; glossy leaves 1, 3, 8, 10, 13, 14, 20 Very showy; open growth 2-3 1-2 to 2 1 to 1-2 1 FS/PS Most 1-2 to 2 FS Any 1-2 1, 3, 10, 13, 14, 16 3, 6, 8, 9, 14, 24, Alkali & garden tolerant 1, 3, 9, 13, 14, 24 Hedge; best nearer coast 5
  6. 6. Size Flower/ season 8-20 ft tall & wide White/ 3-6 ft t Lt blue/Sp FS/PS Any incl clay 2 1, 3, 6, 13 ‘Snowflurry’ Ceanothus 6-10 ft t 10 ft w White/Sp FS/PS Any welldrained 2 1, 3, 6, 9, 13, 14 Wooly-leaf Ceanothus 6-12 ft t 4-8 ft w Blues/Sp FS Sandy or rocky 1-2 ** Ceanothus arboreus x thrysiflorus ‘Frosty Blue’ ‘Frosty Blue’ Ceanothus 6-10 ft t 8 ft wide Med blue/ W-Sp FS/PS Welldrained, sandy 2 * Ceanothus verrucosus I White Coast (Wartstemmed) Ceanothus 5-8 ft tall 4-6 ft wide White/ FS ‘Blue Window’ Ceanothus ‘Tassajara’ Ceanothus 10-15 ft t 8-10 ft w Med Blue/ FS To 8 ft t 5-8 ft w Lt. blue/ Sp FS/PS Buttonbush 5-12 ft tall 4-8 ft wide Cream/Sp FS/PS Bladderpod 2-8+ ft tall & wide Yellow/ Sp + FS Welldrained Channel Island Tree Poppy 8 ft tall 4 ft wide Yellow/W-Sp FS Any welldrained Scientific Name Ceanothus spinosus ** Ceanothus thyrsiflorus ‘Skylark’ ** Ceanothus X thyrsiflorus 'Snow Flurry' * Ceanothus tomentosus var. olivaceus X ** Ceanothus ‘Blue Window’ ** Ceanothus ‘Tassajara Blue’ * Cephalanthus occidentalis X Cleome isomeris (Isomeris arborea) X Dendromecon harfordii Common Name Redheart (Greenbark) Ceanothus ‘Skylark’ Ceanothus Light** PS (FS on coast) X * Frangula/Rhamnus californica California Coffeeberry 6-12 ft t & wide; short cultivars Buff/Sp FS/PS X Fremontodendron californica X mexicanum Flannelbush 6-18 ft tall 4-12 wide Yellow/ Sp-Su FS X * Holodiscus discolor Creambush; Ocean Spray 10-20 ft tall White/ Su-Fa FS/PS X * Hyptis emoryi Desert Lavender 4-12 ft tall 4-6 ft wide Violet/W-Sp FS Soil Clays Water Zone+ 1 to 1-2 Availability Notes 3, 8, 11, 13, 14, 20, 21 28 Good for informal hedge 1, 13, 14 1, 3, 6, 13 Dense; shrubby; fast Upright; evergreen; heavy bloomer Dense; evergreen; prune or hedge 1-2 3, 6, 14, 20 Dense foliage 1-2 1, 13 Dense; evergreen Welldrained 1-2 to 2 1, 13 Can be hedged Any 2-3 to 3 11, 13 Sandy best Any Welldrained essential Any, incl. clays Welldrained 1 1-2 1-2 to 2-3 1, 3, 7, 10, 12, 13, 16 Good for pondside Unusual scent; attractive branch 1, 9, 13, 14, 19 Showy; bluegreen foliage 1, 5, 7, 9, 10, 13, 14, 16, 18 'Eve Case', 'Mound San Bruno' smaller 1 1, 3, 9, 13, 1-2 to 2-3 1, 5, 13, 14 1-2 to 2 1, 8, 10, 13, 14 ‘Ken Taylor’ smaller; can espalier Fragrant at a distance ‘Silver Lining’; fragrant 6
  7. 7. Common Name Size Flower/ season X Lycium californicum California Boxthorn 4-12 ft tall 4-10 ft w Wht-purple/ Sp-Su X Lycium hassei Catalina Boxthorn To 8 ft To 10 ft White/ 3-8+ ft tall 6-12 ft w I Scientific Name X Mahonia (Berberis) nevinii Nevin’s Barberry X Malacothamnus fasciculatus Chaparral Mallow To 12 ft t 4-6 ft wide Light** Soil Water Zone+ Availability Notes Good on seabluffs FS/PS Sandy/ rocky best 1 to 1-2 1, 6, 13, 14 FS ?sandy 1 to 1-2 1 Yellow/Sp FS/PS Welldrained 1-2 Pink/ Sp-Su FS/PS any 1 to 1-2 1, 7, 13, 14 1, 3, 5, 10, 13, 19 ‘Casitas’ good for gardens Very fragrant X * Philadelphus lewisii CA Mock Orange 4-10 ft tall & wide White/ Sp-Su FS/PS Any, incl clays 1-2 to 2-3 1, 7, 13, 14, 19 X Pluchea sericea Arrowweed 5-10 ft t Purple/ Sp-Su FS Any incl clay 1-2 to 2-3 8, 10, 14 Yellow/ W-Sp FS/PS Yellow/Sp FS/PS To 15 ft tall & wide Yellow/Sp FS/PS X Quercus berberidifolia (Q. dumosa) Quercus dumosa var. elegantula Quercus pacifica Scrub Oak Coastal Sage Scrub Oak Channel Island Scrub Oak 10-20 ft tall & wide 3-10 ft tall to 15 ft w Welldrained Sandy best Long dormant season Edible berries; good bird habitat Thicketforming; silver foliage Evergreen; small leaves 1 to 1-2 7, 13, 14, 19 1 to 1-2 7, 14 Evergreen Welldrained 1 to 1-2 7, 14 Evergreen X * Rhamnus crocea Redberry Buckthorn 3-6 ft tall 6 ft wide Yellow/Sp FS/PS/ FSH Any 1 to 1-2 1, 3, 8, 10, 12, 13, 14, 20 Pretty fruits; birds X * Rhamnus ilicifolia Holly-leaf Redberry 12 ft tall 5-6 ft w Yellow/Sp FS/PS/ FSH Any 1-2 to 2 1, 10, 12-14, 20, 21 Nice hedge plant’ holly-like leaves X Rhus integrifolia Lemonadeberry Pink/Sp FS/PS any 1-2 X Rhus ovata Sugar Bush Pink/Sp FS/PS any 1-2 Yellow/ W-Sp FS/PS/ FSH Any 1-2 to 2-3 X Ribes aureum var. gracillimum Golden Currant X * Romneya coulteri Matilija Poppy X Salix exigua Narrow-leaf Willow X * Simmondsia chinensis Jojoba 2-10 3-20 8-12 6-15 ft ft w. ft ft w. To 10 ft 3-8 ft tall spreading 6-15 ft 12-15 ft.w. 5-12 ft tall & wide White/Su FS Yellow/Sp FS/PS Yellow/Sp FS Welldrained any Welldrained 1-2 1-2; winter flooding 1-2 1, 3, 7, 9, 10, 12, 14, 16, 18 1, 3, 9, 10, 12-14, 16, 19 7, 12, 14 Edible fruits Edible fruits Any welldrained; Birds eat berries 1, 3, 7, 10, 13, 14, 16, 19 1, 2, 3, 14 Spreading via roots 1, 8, 14, 16, 20 Fruit for birds; greygreen; evergreen 7
  8. 8. I Scientific Name X Xylococcus bicolor Common Name Size Flower/ season Mission Manzanta 6-10 ft tall 6-10 ft w White/ W Light** FS Soil Welldrained Water Zone+ 1-2 to 2 Availability Notes 1, 3, 6, 10, 11, 13, 14, 20, 24, 28 Evergreen; colorful bark 3/12/2011 I : X = Gardening Information Sheet :(http://nativeplantscsudh.blogspot.com/p/gallery-of-native-plants.html) or at the Madrona Marsh Nature Center * may not be immediately local, but is a CA native plant ++ + ** horticultural cultivar 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) Availability: numbers correspond to the Plant and Seed Sources List at: http://nativeplantscsudh.blogspot.com/p/where-to-purchase-native-plants.html 8

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