NoninvasivePlantsforCalifornia...

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African daisy (Arctotis hybrids) Dymondia (Dymondia margaretae) Manzanita groundcovers (Arctostaphylos edmundsii, A. 'Emerald Carpet') Trailing iceplant (Delosperma cooperi) Wild strawberry (Fragaria chiloensis, F. vesca) Myoporum groundcover (Myoporum parvifolium) Rosea iceplant (Drosanthemum floribundum) Prostrate coyote brush (Baccharis pilularis) Dwarf periwinkle (Vinca minor) Hardy geranium (Geranium 'Rozanne') Serbian bellflower (Campanula poscharskyana) Star jasmine (Trachelospermum asiaticum) Heartleaf bergenia (Bergenia cordifolia) and hybrids Hummingbird sage (Salvia spathacea) Taiwan raspberry (Rubus pentalobus) King of Siam water lily (Nymphaea 'King of Siam') Pickerel weed (Pontederia cordata) Cape pondweed (Aponogeton distachyos) Canna species (Canna hybrids) Japanese iris (Iris ensata and cultivars) Laevigata iris (Iris laevigata and cultivars) Got feedback? Contact us at [email protected] PlantRight’s 2014 list identifies 15 plants that are invasive in areas of California, yet are still grown and sold in the nursery trade. Each invasive plant (highlighted below), has beautiful and noninvasive alternatives that can serve the same purpose in a garden or landscape while protecting California's environment. Regional information is included because a plant's invasiveness is largely a matter of location and climate. Thank you for joining us in Planting Right! Similar flowers, not free-floating, for ponds, dormant in winter, spreads vegetatively WATER PLANTS Similar flowers in spring to early summer, low water, fast growth, 8" tall, spreading GROUNDCOVERS Bright, fragrant flowers, foliage floats on water, dormant in winter Dense, mild autumn color, creeps over sidewalks and rocks, slower growing Medium water, showy flowers, large foliage, spreads rhizomatically, shade Invasive Photos Invasive: Capeweed (Arctotheca calendula) - fertile and infertile varieties Grows in shallow water, available flower colors are purple, red or white. Poisonous Best on pond margins, not to be submerged, showy flowers Many colors and sizes available, robust in ponds, needs to be wintered indoors Climate Zones Invasive: Yellow Water Iris (Iris pseudacorus) Drought tolerant and hardy, similar texture, available in several colors Tolerant of drought, cold, salt sprays, light foot traffic and poor soils. Slower growing Big purple flowers, floating leaves, roots in bottom soil Similar flowers in spring to early summer, medium water, hardy, 2 ft tall x 3 ft wide Good for erosion control, tough, moderate to minimal water, weedy on coast Fragrant and abundant flowers, shrub-like, grows as mat or on trellises, 2' x 10' www.plantright.org Same aesthetic but smaller leaf size and stature, grows in wide range of soils = noninvasive alternative Showy flowers, large foliage, best in shade with regular water, 1.5 ft tall and wide Good in sandy or well-drained soil, moderate water needs Low maintenance, cold-hardy, very similar shape, showy pink flowers Tolerant of drought and poor soils. Slower growing, white/pink flowers, reddish bark Invasive: Periwinkle (Vinca major) Invasive: Highway Iceplant (Carpobrotus edulis); Crystalline Iceplant (Mesembryanthemum crystallinum) Fast and low growing, moderate to minimal water, tough, no thrips In 2014, PlantRight removed plants from its list because they are only rarely found in California's nursery trade. These plants are still invasive, and should not be used for ornamental purposes: Giant reed (Arundo donax), Blue gum eucalyptus (Eucalyptus globulus), Saltcedar (Tamarix rammosissima), Bridal veil broom (Retama monosperma), Striated broom (Cytisus striatus), Jubata grass (Cortaderia jubata), and Scarlet Wisteria (Sesbania punicea). = California native plant . Featured Information Plant Names A Guide for Choosing Alternatives to Invasive Garden Plants Easy care, best when cut back in early spring before new growth Invasive: Water Hyacinth (Eichhornia crassipes) 1* 2* 3* Page 1 (2014: v1) South Coast (Sunset Zones 1824) Desert (Sunset Zones 1013) Central Valley (Sunset Zones 79) Sierra & Coastal Mountains (Sunset Zones 13) North & Central Coast (Sunset Zones 1417) Climate Zones Noninvasive Plants for California

Transcript of NoninvasivePlantsforCalifornia...

African daisy (Arctotis hybrids)Dymondia (Dymondia margaretae) Manzanita groundcovers (Arctostaphylos edmundsii, A. 'Emerald Carpet')

Trailing iceplant (Delosperma cooperi) Wild strawberry (Fragaria chiloensis, F. vesca)Myoporum groundcover (Myoporum parvifolium)Rosea iceplant (Drosanthemum floribundum) Prostrate coyote brush (Baccharis pilularis)

Dwarf periwinkle (Vinca minor)Hardy geranium (Geranium 'Rozanne')Serbian bellflower (Campanula poscharskyana)Star jasmine (Trachelospermum asiaticum)Heartleaf bergenia (Bergenia cordifolia) and hybrids Hummingbird sage (Salvia spathacea)Taiwan raspberry (Rubus pentalobus)

King of Siam water lily (Nymphaea 'King of Siam')Pickerel weed (Pontederia cordata)Cape pondweed (Aponogeton distachyos)

Canna species (Canna hybrids)Japanese iris (Iris ensata and cultivars)Laevigata iris (Iris laevigata and cultivars)

Got  feedback?    Contact  us  at  [email protected]

PlantRight’s  2014  list  identifies  15  plants  that  are  invasive  in  areas  of  California,  yet  are  still  grown  and  sold  in  the  nursery  trade.  Each  invasive  plant  (highlighted  below),  has  beautiful  and  noninvasive  alternatives  that  can  serve  the  same  purpose  in  a  garden  or  landscape  while  protecting  California's  environment.  Regional  information  is  included  because  a  plant's  invasiveness  is  largely  a  matter  of  location  and  climate.  Thank  you  for  joining  us  in  Planting  Right!

Similar flowers, not free-floating, for ponds, dormant in winter, spreads vegetatively

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Similar flowers in spring to early summer, low water, fast growth, 8" tall, spreading

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Bright, fragrant flowers, foliage floats on water, dormant in winter

Dense, mild autumn color, creeps over sidewalks and rocks, slower growingMedium water, showy flowers, large foliage, spreads rhizomatically, shade

Invasive Photos

Invasive: Capeweed (Arctotheca calendula) - fertile and infertile varieties

Grows in shallow water, available flower colors are purple, red or white. PoisonousBest on pond margins, not to be submerged, showy flowersMany colors and sizes available, robust in ponds, needs to be wintered indoors

Climate Zones

Invasive: Yellow Water Iris (Iris pseudacorus)

Drought tolerant and hardy, similar texture, available in several colorsTolerant of drought, cold, salt sprays, light foot traffic and poor soils. Slower growing

Big purple flowers, floating leaves, roots in bottom soil

Similar flowers in spring to early summer, medium water, hardy, 2 ft tall x 3 ft wide

Good for erosion control, tough, moderate to minimal water, weedy on coast

Fragrant and abundant flowers, shrub-like, grows as mat or on trellises, 2' x 10'

www.plantright.org

Same aesthetic but smaller leaf size and stature, grows in wide range of soils

                         =  noninvasive  alternative

Showy flowers, large foliage, best in shade with regular water, 1.5 ft tall and wide

Good in sandy or well-drained soil, moderate water needsLow maintenance, cold-hardy, very similar shape, showy pink flowers

Tolerant of drought and poor soils. Slower growing, white/pink flowers, reddish bark

Invasive: Periwinkle (Vinca major)

Invasive: Highway Iceplant (Carpobrotus edulis); Crystalline Iceplant (Mesembryanthemum crystallinum)

Fast and low growing, moderate to minimal water, tough, no thrips

In  2014,  PlantRight  removed  plants  from  its  list  because  they  are  only  rarely  found  in  California's  nursery  trade.    These  plants  are  still  invasive,  and  should  not  be  used  for  ornamental  purposes:    Giant  reed  (Arundo  donax),  Blue  gum  eucalyptus  (Eucalyptus  globulus),    Saltcedar  (Tamarix  rammosissima),  Bridal  veil  broom  (Retama  monosperma),  Striated  broom  (Cytisus  striatus),  Jubata  grass  (Cortaderia  jubata),  and  Scarlet  Wisteria  (Sesbania  punicea).

                         =  California  native  plant  .

Featured Information Plant Names

A  Guide  for  Choosing  Alternatives  to  Invasive  Garden  Plants

Easy care, best when cut back in early spring before new growth

Invasive: Water Hyacinth (Eichhornia crassipes)

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Page  1  (2014:  v1)  

South  Coast  (Sunset  Zones  18-­‐24)    

Desert  (Sunset  Zones  10-­‐13)    

Central  Valley  (Sunset  Zones  7-­‐9)    

Sierra  &  Coastal  Mountains  (Sunset  Zones  1-­‐3)    

North  &  Central  Coast  (Sunset  Zones  14-­‐17)  

Climate  Zones  Noninvasive  Plants  for  California  

Oriental fountain grass (Pennisetum orientale)Pennisetum setaceum 'Rubrum', 'Skyrocket', 'Fireworks' & 'Fairy Tails'

California fescue (Festuca californica)Mexican deer grass (Muhlenbergia dubia)

Blue grama grass (Bouteloua gracilis 'Blonde Ambition') Priarie dropseed (Sporobolus airoides)Mexican deer grass (Muhlenbergia dubia)Pink Muhly (Muhlenbergia capillaris, esp. 'White Cloud')Autumn moor grass (Sesleria autumnalis)

Foerster's feather reed grass (Calamagrostis x acutiflora 'Karl Foerster')

Deer Grass (Muhlenbergia rigens)Lindheimer's Muhly Grass (Muhlenbergia lindheimer)

Yellow bush daisy (Euryops pectinatus)Bush marigold (Tagetes lemmonii) CA flannel bush (Fremontodendron californicum)Forsythia (Forsythia x intermedia)Landscaping rose (Rosa cultivars: 'Golden Showers', 'Graham Thomas', 'Golden Celebration', 'Carpet Yellow')

Griselinia (Griselinia littoralis)Sweet bay (Laurus nobilis) Toyon / Xmas berry / CA holly (Heteromeles arbutifolia)

Chinese pistache (Pistacia chinensis)American sweet gum (Liquidambar styraciflua)Red maple (Acer rubrum 'October Glory')

Arizona cypress (Cupressus arizonica)Fruitless olive (Olea europaea 'Swan Hill', 'Majestic Beauty', 'Little Ollie', 'Wilsoni') Desert willow (Chilopsis linearis)

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Photos:  (1)  Flickr  Commons:  Kartenn,  (2)  Ted  Center  -­‐  USDA  (3)  Bill  Welch  (4)  John  Randall  -­‐  The  Nature  Conservancy,  (5)  Flickr  Commons:  a2ka2k,  (6)  Flickr  Commons:  Arthur  Chapman,  (7)  Barry  A.  Rice  -­‐  The  Nature  Conservancy,  (8)  Flickr  Commons:  John  Game,  (9)  Chris  Evans  -­‐  Illinois  Wildlife  Action  Plan,  (10)  Paul  Wray,  Iowa  State  University,  Bugwood.org

Drought tolerant, attractive flowerheads, best when cut back in winter

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Drought tolerant, smaller form and less showy plumes, easy to grow

Drought tolerant, similar aesthetic, trim in winter for spring growth

Slower growing to 12-40 feet, well adapted to CA climate, needs good drainageEasy care, fast and dense growth to 10 feet. Great as screen/windbreak

Drought tolerant, evergreen in mild winters, likes well-drained soils, good in mass

Yellow blooms in early spring, moderate water, prefers cooler Northern CA climatesLarge sprays of yellow flowers, typically spring to fall. Fairly disease resistant

Yellow blooms most of year, moderate water, easy care, sensitive to frost, smallerYellow blooms most of year, minimal water, aromatic, sensitive to frost

Invasive: Pampas Grass (Cortaderia selloana)

Showy leaf blades and blooms

Invasive: Brooms: French (Genista monspessulana); Scotch (Cytisus scoparius); Spanish (Spartium junceum)

Drought tolerant, does well in range of soils, tough and long-livedDrought tolerant, similar size and growing conditions, easy care

Invasive: Mexican Feather Grass (Nassella / Stipa tenuissima)

Drought tolerant, very similar aesthetic, cold hardy

Drought tolerant, frost tolerant, needs drainage, good in massDrought tolerant, frost tolerant, needs drainage, will tolerate shade

Similar aesthetic to Russian olive, slow growth to 12 - 30 feet tall, no fruit

Invasive: Chinese Tallow Tree (Triadica sebifera)

Invasive: Green Fountain Grass (Pennisetum setaceum)

Invasive: Myoporum (Myoporum laetum)

Autumn color, good as screen, fruits are spiny balls, grows to 60'

Yellow blooms late-spring to fall, drought tolerant, use dwarf cultivars: 'Ken Taylor' & 'Dara's Gold'

Autumn color, fast growing, not for urban use, 60' tall by 40' wide. Needs more water

Autumn color, easy care, tolerant of many conditions, berry-like fruit, 30' to 60' tall

Large, white plumes from early summer until frost, very durable and showy

Deciduous, fragrant spring blooms, good along streamsides, 30' tall x 20' wide

                         =  noninvasive  alternative                          =  California  native  plant  .

www.plantright.org

Evergreen conifer, 40' tall x 20' wide, good as screen, easy care

Invasive Photos

Drought tolerant, slower growing, does well in range of soils

Dense shrub, 6-10 feet, red berries, minimal water, best when pruned

Invasive: Russian Olive (Elaeagnus angustifolia)

Plant Names Featured InformationClimate Zones

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