Colleen Johnsen's California Plants
Class #164: California Natives & Plant Communities, Lab #10

Class #164: California Natives & Plant Communities, Lab #10


Botanical Name: Polystichum munitum
Botanical Pronunciation: Pa-LISS-teh-cum mew-KNIT-uhm
Common Name: Western Sword Fern
Family Name: Dryopteridaceae
Diseases: None.
Flower: None, just spores on underside.
Growth: 2-4' x 2-4'. Average growth.
Landscape Use: Bank cover, cut leaves, fire retardant, pond/stream, restoration, seacoast and plant mass.
Light: Part to full shade on the coast and inand.
Location: Breezeway gym plaza
Pest: Thrips on the coast and in the Bay Area mites.
Problems: None.
Propagation: By spores.
Pruning: Just remove spent frongs.
Tolerance: Deer, lawn irrrigation and neglect.
Type: Broadleaf evergreen fern that is clmping, round spreading and up right.
Water: They like ample to moderate moisture.
California Native: Yes
Description: Reliable fern for many garden settings. They are semi open, spreading, upright and globular.

Just mention in Lab 10
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Botanical Name: Equisetum telmateia braunii
Botanical Pronunciation: Ek-weh-see-tum
Common Name: Horsetail
Family Name: Equisetaceae
Diseases: None.
Flower: n/a
Growth: 1-3' x 6" average - fast growth.
Landscape Use: Bank cover, container plant, deer proof, groundcover, pond/stream and restoration
Light: Sun and part shade on the coast and inland.
Location: New Brighten State Beach.
Pest: None.
Problems: Extremely invasive under ground with rooted runners.
Propagation: By spores and easily by division.
Pruning: Root prune unwanted shoots, rigorously and constantly.
Tolerance: Deer,lawn irrigation, neglect and poor drainage.
Type: Deciduous herbacious perennial bush like.
Water: Ample moisture.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones 1-24.

Prefers moist soi but will tolerate clay.
Organic matter for fertilizer.
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Botanical Name: Salix spp.
Botanical Pronunciation: SAY-lick
Common Name: Willows
Family Name: Sallicaceae
Diseases: Fungal leaf spot.
Flower: Catkin.
Growth: 15-45' x 15-30'
Landscape Use: As cut flowers, eroson control, lawn tree and screen.
Light: Sun to shade on the coast and part shade to fun shade inland.
Location: Wilder Ranch, New Brighten State Beach.
Pest: None.
Problems: They are invasine, weak wooded and produce suckers.
Propagation: By cuttings.
Pruning: As deire to control spread.
Tolerance: Lawn irrigation, neglect, poor drainage, seacoast and winds.
Type: Deciduous tree.
Water: Ample.
California Native: Yes
Description: Hardy to 0 degrees.
Sunsetzones 1-24

Prefers moist soil and no fertillzer.
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Botanical Name: Asarum caudatum
Botanical Pronunciation: Ah-CZAR-uhm kaw=DAY-tum
Common Name: Wild Ginger
Family Name: Aristolochiaceae
Diseases: None.
Flower: Bell shaped with 3 'tails' maroon (hidden under leaves) 1" - 1 1'2" in the spring
Growth: 6" average growth.
Landscape Use: Foliage
Light: Part shade to full shade on the coast and full shade inland.
Location: Carothers residence
Pest: Snails.
Problems: Invasive but spreads slowly.
Propagation: By divisions.
Pruning: Perhaps prune back to remove snails once a year.
Tolerance: Drought, deer and lawn irrigation.
Type: Broadleaf evergreen, herbaceous, perennial groundcover that is dense or semi-open, mat forming back cover, fire retardant, ground cover with bold texture.
Water: Ample moisture to Moderate.
California Native: Yes
Description: Hardy to 15-20 degrees.
Sunset zones 4-6, 14-24.

MENTION IN LAB 10
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Botanical Name: Adiantum aleuticum / A. jordanii
Botanical Pronunciation: Ah-dee-AN-tum ah-LEW-tee-come
Common Name: Five Finger Fern
Family Name: Pteridaceae
Diseases: None.
Flower: Spores on Back.
Growth: 8-30" X 12-18 average growth.
Landscape Use: Bank cover, containter plant, ponds/stream and as an accent plant.
Light: Part shade to full shade on the coast and inland.
Location: Nisene Marks State Park.
Pest: None.
Problems: Short lived.
Propagation: By spores.
Pruning: Remove spent fronds in winter.
Tolerance: Deer, neglect, lawn irrigation and poor drainage.
Type: Fern.
Water: Ample moisture.
California Native: Yes
Description: Semi-open, clumping fine texture lacy delicate fern.
Hardy to 0 degrees.
Sunset zones 1-7, 14-21.
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Botanical Name: Alnus rubra
Botanical Pronunciation: ALL-nuss ore-eh-GOAN-ah
Common Name: Red Alder
Family Name: Betulaceae
Diseases: None.
Flower: Catkins male and females green to yellow in April to May 5-6
Growth: 45-75' height x 20-30' spread fast growth in youth.
Landscape Use: Attracts birds, attracts butterflies, bank cover, erosion control and restoration.
Light: Likes all conditions on the coast.
Location: By creek, Ripanian
Pest: Tent caterpiller (control) prune out and aphids (control) increase water.
Problems: Excess litter and invasive/reseeds.
Propagation: By seeds.
Pruning: To remove dead wood.
Tolerance: Disease resistant and neglect.
Type: Deciduous tree that is pyramidal, semi-open, spreading and upright.
Water: Ample moisture.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones 3-7, 14-17.

Prefers oist well-drained soil but will tolerate clay.
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Botanical Name: Hierochloe occidentalis
Botanical Pronunciation: Hear-o-KLOH-ee, ox-eh-den-TAL-iss
Common Name: Vanilla Grass
Family Name: Poaceae
Diseases: None.
Flower: Panide white in early spring.
Growth: 1-3' height X 1-3' spread, average growth.
Landscape Use: Grass mass.
Light: Part shade on the coast and inland.
Location: Nisine Mark State Park.
Pest: None.
Problems: Invasive, mildly creeping rhizomes.
Propagation: By seed or divisions.
Pruning: Remove spent flowers and to control spread as desired.
Tolerance: Drought, insects, deer and neglect.
Type: Broadleaf evergreen grass dense, spreading.
Water: Monthly to none in summer.
California Native: Yes
Description: Upright medium texture grass with sweet smelling leaves.
Hardy to
Sunset zones:
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Botanical Name: Lithocarpus densiflorus
Botanical Pronunciation: Lith-oh-carp-uss den-seh-flor-us
Common Name: Tan Bark Oak
Family Name: Fagaceae
Diseases: Phytopthora
Flower: Catkin 3-4 1/2 x 1-2
Growth: 40-8-' height x 30-50' spread that is average growth.
Landscape Use: Background, deer proof and restoration.
Light: Sun to part shade on the coast to part shade inland.
Location: Nisene Marks State Park.
Pest: Two beetles, oak bark and western ambrosia.
Problems: None.
Propagation: By seed.
Pruning: Avoid spring when beetles are most active; only as needed
Tolerance: Deer, drought and neglect.
Type: Broadleaf evergreen tree that is oval, semi-open, spreading and upright.
Water: Monthly to none in summer.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 4-7, 14-24.

Prefers acid loam.
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Botanical Name: Holodiscolor discolor
Botanical Pronunciation: Hole-oh-DIS-cuss dis-COL-our
Common Name: Cream Bush / Oceanspray
Family Name: Roseaceae
Diseases: None.
Flower: Panicles large and airy up to 12
Growth: 3-6'+ x 3-6' spread, average growth.
Landscape Use: Attracts bird/bees, background, bank cover, erosion control and shrub mass.
Light: Part shade on the coast to part to full shade inland.
Location: Nisene Marls State Park
Pest: None.
Problems: None.
Propagation: By seed, layers and greenwood cuttings under glass.
Pruning: Prune back after flower clusters turn brown and wither.
Tolerance: Wind. seacoast, heat, lawn irrigation and soggy soil.
Type: Deciduous shrub that is semi-open, spreading and upright.
Water: Ample moisture to moderate.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones 1-9, 14-19.

Likes well drained rich moist soil.
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Botanical Name: Oxalis oregona
Botanical Pronunciation: Ox-AL-iss ore-eh-GOAN-eh
Common Name: Redwood Sorrel
Family Name: Oxalidaceae
Flower: White - pink circular 1' in Feb-Sept and has edible leaves and stems.
Growth: 6-8" height x 1'+ spread and is average growth.
Landscape Use: Bank cover, fire retardant, ground cover, restoration and shade plant,
Light: Part to full shade on the coast and inland.
Location: Nisene Marks State Park
Pest: Deer Nibbles.
Problems: Invasive/reseeds.
Propagation: Rooted sections.
Pruning: Not necessary, mow to renovate.
Tolerance: Insect/disease resistant, Lawn irrigation and neglect.
Type: Herbaceous groundcover that is semi-open and spreading.
Water: Moderate.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 4-9, 14-24.

Prefers moist soil.
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Botanical Name: Pseudotsuge menziesii
Botanical Pronunciation: Sue-dough-SUE-gah men-ZEE-zee-i men-ZEE-i
Common Name: Douglas Fir
Family Name: Pinaceae
Diseases: None.
Flower: None.
Growth: 80-160' height x 20-30' spread
Landscape Use: Attracts bee/birds and as a background tree.
Light: Sun to part shade on both coast and inland.
Location: Nisene Marks State Park
Pest: None.
Problems: None.
Propagation: By seed.
Pruning: Remove dead limbs.
Tolerance: Deer, drought, heat, neglect and winds.
Type: Conifer tree that is columnar, semi-open, spreading and upright with a fine texture.
Water: Monthly to none in summer.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones A2, A3, 1-10.

Prefers Acid Loam soil.
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Botanical Name: Rubus parviflorus velutinus
Botanical Pronunciation: RUE-bus- par-veh-FLOR-us vel-yew-TINE-us
Common Name: Thimbleberry
Family Name: Rosaceae
Diseases: None.
Flower: Circular 5 pedal rose 1-2" dia. in March-Aug. and is edible.
Growth: 3-6'+ height X 3-6' spread, average growth.
Landscape Use: Attract bees/birds, background and shade plant.
Light: Part shade to full shade on the coast and inland.
Location: New Brighten State Park
Pest: Deer.
Problems: Invasive roots.
Propagation: Stem or root divisions, and cuttings.
Pruning: Requires diligence to keep contained, pull off new shoots.
Tolerance: Neglest and poor drainage.
Type: Deciduous herbsaceous perennial shrub that is round semi-open, spreading and upright with tasty berries.
Water: Moderate.
California Native: Yes
Description: Hardy to 0-5 degrees.
Sunset zones ?

Prefers moist loam.

Botanical Name: Trillium ovatum
Botanical Pronunciation: TRILL-ee-uhm oh-VAH-tum
Common Name: Wake Robin
Family Name: Convaliariaceae
Diseases: None.
Flower: Star shaped white to rose in March thru May.
Growth: 6-8" height X 6-8" spread with slow growth.
Landscape Use: Groundcover, shade plant and accent plant.
Light: Part shade to full shade on the coast and inland.
Location: New Brighten State Park
Pest: None.
Problems: None.
Propagation: By division of clumps and seeds.
Pruning: Not necessary.
Tolerance: Deer, insect/disease resistant, neglect and poor drainage.
Type: Deciduous herbaceous perennial that is clumpinf and open with a coarse-medium texture.
Water: Monthly.
California Native: Yes
Description: Hardy to 0-5 degrees.
Sunset zones 2-7, 14-17.

Prefers moist loam.
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Botanical Name: Vaccinium ovatum
Botanical Pronunciation: Vac-sin-ee-ah-tum oh-vah-tum
Common Name: Huckleberry
Family Name: Ericaceae
Diseases: None.
Flower: Bell shaped in clusters 1/3
Growth: 3-7' height X 3-7' spread, slow growth.
Landscape Use: Hedge informal, screen and shrub/plant mass.
Light: Full sun to part sun on the coast and inland.
Location: Nisene Marks State Park.
Pest: None.
Problems: None.
Propagation: By cuttings,
Pruning: As desired to control size.
Tolerance: Insect/disease resistant.
Type: Broadleaf evergreen shrub that is dense, round, semi-open, spreading and upright with edible deep blue berries.
Water: Moderate.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 4-7, 14-17, 22-24.

Prefers acid, moist, well drained soil
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Botanical Name: Vancouveria planipetala
Botanical Pronunciation: Van-cou-VAIR-ee-ah plan-eh-PET-eh-la
Common Name: Inside out flower
Family Name: Berberidaceae
Diseases: None.
Flower: Trumpet with turn back petals 1/8 - 1/4
Growth: 3-6" height X 6" spread.
Landscape Use: Fire retardant, groundcover and shade plant.
Light: part sun to moist/heavy shade on coast and part sun to shade inland.
Location: Nisene Marks State Park.
Pest: None.
Problems: Invasive creeping rhizomes.
Propagation: By divisions.
Pruning: As desired.
Tolerance: Deer and neglect.
Type: Semi deciduous herbaceous perennial clumping, semi-open, spreading with med-fine texture.
Water: Monthly.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones 4-7, 14-17.

Prefers moist loam.
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Botanical Name: Viola sempervirens
Botanical Pronunciation: Vy-OH-la sem-purr-VY-wren
Common Name: Redwood Violet
Family Name: Violaceae
Diseases: None.
Flower: Pretty yellow heart shaped that is 1/2- 3/4
Growth: 3" height X 6"+ spread, average growth.
Landscape Use: Attracts butterflies, bank cover, borders/edging, deer proof/resistant, fire retardant and groundcover.
Light: Part shade on coast and inland.
Location: Nisene Marks State Park.
Pest: None.
Problems: Invasive roots along stem , may reseed.
Propagation: By seed and rooted stems.
Pruning: As desired.
Tolerance: Deer, lawn irrigation and neglect.
Type: Broadleaf low herbaceous perennial native violet groundcover that is semi-open and mat forming..
Water: Ample.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones ?

Prefers moist soil.
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Botanical Name: Fragaria californica
Botanical Pronunciation: Fra-JERR-ee-ah / cal-eh-FOUR-neh-kah
Common Name: Wood Strawberry
Family Name: Rosaceae
Diseases: None.
Flower: White with yellow circular single rose 1
Light: Full sun to part shade on the coast and part shade inland.
Pest: Snails and slugs.
Problems: Invasive.
Propagation: Rooted off shoots.
Pruning: To keep in bounds.
Type: Broadleaf heerbaceous groundcover, low semi-walkable.
Water: Monthly.
California Native: Yes
Description: Hardy to
Sunset zones

MENTIONED IN LAB 10
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Botanical Name: Lonicera hispidula
Botanical Pronunciation: Low-NESS-er-ah / hiss-PID-yew-lah
Common Name: Hairy Honeysuckle
Family Name: Caprifoliaceae
Diseases: None.
Flower: Whitish or purplish whorts of trumpet 1/2
Light: Full sun to part shade on both the coast and inland.
Pest: None.
Problems: Invasive.
Propagation: By seed, cuttings or ripe wood by layersor by cuttings of greenwodunder glass.
Pruning: As desired to control.
Type: Broadleaf evergreen vine.
Water: Moderate to none in summer once established.
California Native: Yes
Description: Twisting, fat growing vine that seeks support that is semi-open, spreading, upright and climbing.
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Botanical Name: Lotus scoparius
Botanical Pronunciation: LOW-tuss sco-PAR-ee-us
Common Name: Deerbrush
Family Name: Fabaceae
Diseases: Soil borne fungi cause decline in summer irrigated soils.
Flower: Yelloe fading to orange along the stalk, pea shaped in spiky cluster 1/3" X 1/3" in March - August.
Growth: 2'+ height X 2'+ spreadfast growth.
Landscape Use: Attracts butterflies, erosion control, restoration, rock garden and plant mass.
Light: Dry/full sun inland and sun on the coast.
Location: Quail Hollow Ranch Park.
Pest: Aphids (control) increase watering.
Problems: Short lived in gardens.
Propagation: By seeds.
Pruning: None required.
Tolerance: Deer, drought and neglect.
Type: Herbaceous perennial subshrub that is round, semi-opened, spreading and upright.
Water: Monthly/dry season none in summer.
California Native: Yes
Description: Hardy to 5-10 degrees.
Sunset zones

Prefers sandy well-drained soil.

Botanical Name: Toxicodendron diversilobum
Botanical Pronunciation: tox-eh-co-DEN-dron dye-verse-eh-LOB-uhm
Common Name: Poison Oak
Family Name: Anacardiaceae
Diseases: None.
Flower: White star-like(male) 1/8" each in March-May
Growth: 2-20'+ height X 2-4'+ spread.
Landscape Use: Attacts birds. and restoration.
Light: Sun to shade on the coast and inland.
Location: Quail Hollow Ranch Park.
Pest: None.
Problems: Allergen and fire hazard and invasive/reseeds.
Propagation: Division sand seeds.
Pruning: At your own risk. Let goats eat it out.
Tolerance: Drought, heat and neglect.
Type: Deciduous shrub/vine that is climbing, dense, semi-open, spreading and upright with lober leaved.
Water: None in summer.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones many.

Prefers all type.