Colleen Johnsen's California Plants
Class #62: Plant Materials And Design A, Lab #1

Class #62: Plant Materials And Design A, Lab #1


Botanical Name: Ribes sanguineum glutinosum
Botanical Pronunciation: RYE-bees san-GWIN-ee-uhm
Common Name: Pink Flowering Currant
Family Name: Saxifragaceae
Diseases: None but will quick decline if watered on a summer day.
Flower: Panicles of 10-30 drooping 3-6" x each 1/4" funnel-shaped flowers of white, pink, and red in Feb.-April with fragrant leaves.
Growth: 5-10' heigh x 6' spread, fast growth.
Landscape Use: Attracts bees/birds, background, espalier informal, hedge hand prune, screen, shrub/plant mass and specimen plant.
Light: Sun to part shade on the coast and part shade inland.
Location: North of LRC & west of 100 bldg. & front of Sesnon House.
Pest: Spider mites in containers.
Problems: None.
Propagation: By cuttings and seeds.
Pruning: Tip prune as desired.
Tolerance: Drought, insects and neglect.
Type: Deciduous shrub.
Water: Monthly and avoid summer watering.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 4-9, 14-24, A3
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Botanical Name: Sequoia sempervirens
Botanical Pronunciation: seh-KWOL-yah sem-purr-VIY-wrens
Common Name: Coast Redwood
Diseases: In drought it gets fungus.
Flower: Cones.
Growth: Fast 300' up x 20'-40'
Landscape Use: Background (large), deer proof, hedge unusal.
Light: Part sun to full sun on the coast.
Location: South of 600 building.
Pest: None.
Problems: Suckers, allelopathic, shallow rooted and drain clogger.
Propagation: By cuttings and seeds.
Pruning: Remove dead limbs, tolerates shearing as desired.
Tolerance: Deer, drought, insects, lawn irrigation, neglect, poor drainage.
Type: Conifer tree.
Water: Ample moisture.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 4-9, 14-24.
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Botanical Name: Berberis repens
Botanical Pronunciation: BER-ber-iss aah-kwih-FOAL-ee-uhm
Common Name: Oregon Grape
Location: North side of LRC.
California Native: Yes
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Botanical Name: Symohoricarpos albus
Botanical Pronunciation: SIM-four-eh-car-pos AL-bus
Common Name: Snowberry
Family Name: Caprifoliaceae
Diseases: None.
Flower: Pinkish white flowers in May to July and white berries in late summer to winter.
Growth: 3' x 3' average growth.
Light: Full sun to part shade on the coast and part shade to deep shade inland.
Location: North side of LRC.
Pest: None.
Problems: Invasive with under ground runners.
Propagation: By seeds, cuttings and root division.
Pruning: Remove new olants as desired and cut old stems.
Type: Deciduous shrub that is semi-open.
Water: Monthly to none in summer.
California Native: Yes
Description: Loose informal shrub with outstanding fruit in the summer.


Mentioned in Lab 14
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Botanical Name: Hedera canariensis
Botanical Pronunciation: Hed-ER-a kan-a-re-EN-sis
Common Name: Algerian Ivy
Location: North side of 300 building.
California Native: No
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Botanical Name: Cupressus macrocarpa
Botanical Pronunciation: Kew-PRESS-us mack-row-CAR-pah
Common Name: Monterey Cypress
Family Name: Cupressaceae.
Diseases: Coryneum canker and a fungus that turns new foliage brown.
Flower: N/A
Growth: 50 - 80' X 30 - 40', fast growing in youth but slows down in muturity.
Landscape Use: Background, deer proof, hedge (common on coast), screen, seacoast, specimen and windbreak.
Light: Part sun on the coast not inland.
Location: East of LRC & North of 100 building.
Pest: Cypress bark moth and beetles.
Problems: Allelopathic, excess litter, pavement buster, weak wooded and sewer buster.
Propagation: By cuttings and seeds.
Pruning: Remove dead limbs and tolerates shearing in spring/fall.
Tolerance: Deer, drought, lawn irrgation, seacoast and winds.
Type: Conifer tree.
Water: No water after two years.
California Native: Yes
Description: Hardy to 15 degrees.
Sunset zones: 17 only.
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Botanical Name: Arctostaphylos densiflora
Botanical Pronunciation: Ark-toe-STAFF-eh-los den-seh-FLOOR-eh
Common Name: McMinn Manzanita
Family Name: Ericaceae
Diseases: Leaf gall and crown rot.
Flower: Bell shape, white - pink.
Growth: 5-6' x 6-8' spread. Average growth.
Landscape Use: Attracts bees, bank cover, deer proof, hedge informal, screen, seacoast, shrub, and windbreak.
Light: Sun on coast.
Location: South of old garden, near Soquel Drive.
Pest: Scale.
Problems: Short lived, can be a fire hazard.
Propagation: None required but remove dead limbs, will tolerate shearing for a little while.
Pruning: By cuttings.
Tolerance: Deer, drought, heat, lawn irrigation, seacoast, and winds but no poor drainage.
Type: Broadleaf evergeen shrub.
Water: Dry between.
California Native: No
Description: Hardy to

Sunset zones:
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Botanical Name: Eucalyptus ficifolia
Botanical Pronunciation: yew-kah-LIP-tuss fy-seh-FOAL-ee-ah
Common Name: Scarlet Flowering Gum
Diseases: None.
Flower: White, yellow, peach, red or salmon color staminate ball.
Growth: 40' X 40' average growth.
Landscape Use: Attracts bees, bank cover cut seeds, deer proof, lawn tree, screen, seacoast, shade plant, specimen plant, and street tree.
Light: Sun on coast not inland growth.
Location: Below hort. ctr. and 41st avenue.
Pest: Long horn borer.
Problems: Allelopathis and excess litter.
Propagation: By seed.
Pruning: Avoid pruning from May - October. If any pruning cut are necessary, seal them well to prevent sap flow, which attracts bettles.
Tolerance: Deer, drought, heat, insects, lawn irrigation, neglect, seacoast, smog/dust and winds, but not poor drainage.
Type: Broadleaf evergreen tree.
Water: Moderate to dry between and none in summer.
California Native: No
Description: Hardy to 25-28 degrees.
Sunset zones 16,17,23,24.
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Botanical Name: Pittosporum tenuifolium
Botanical Pronunciation: Peh-TOSS-pour-uhm ten-you-eh-FOAL--ee-uhm
Common Name: Black Stem Pittosporum
Family Name: Pittosporaceae
Diseases: None.
Flower: Purple star shape 1/8th" in dia. in the spring..
Growth: 12-30' X 6-15' Fast in youth, average to fast there after.
Landscape Use: Back ground, deer proof, hedge, screen, seacoast, shrub mass, wind break.
Light: Any exposure.
Location: North side of LRC
Pest: Aphids (control) increase watering.
Problems: None.
Propagation: By cuttings and seeds.
Pruning: Radical in spring, tip prune and will tolerate shearing.
Tolerance: Deer, drought, heat, insects, lawn irrigation, seacoast, smog/dust and wind.
Type: Broadleaf evergreen shrub, occasionally tree (not pretty)
Water: Dry between.
California Native: No
Description: Hardy to 25 degrees.
Sunset zones: 9, 14-17, 19-24.
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Botanical Name: Photinia x fraseri
Botanical Pronunciation: fo-TIN-ee-ah FRA-zer-i
Common Name: Photinia
Family Name: Rosaceae
Diseases: Fungle leaf spot.
Flower: Classic rose cluster.
Growth: 15-20' x 15' spread, fast growth.
Landscape Use: Background, espalier, hedge, screen and shrub mass.
Light: Sun to part shade on the coast.
Location: North side of 300 building.
Pest: Lace, thrips, leaf hoppers,aphids and mites.
Problems: None.
Propagation: By cuttings.
Pruning: Can be sheared or cut back in early spring.
Tolerance: Sea coast in fog.
Type: Broadleaf evergreen tree or shrub that is dense, semi-open, spreading, upright, and globular.
Water: Dry between to none in summer.
California Native: No
Description: Hardy to 10 degrees.
Sunset zones 4-16, 18-22.
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Botanical Name: Cotoneaster lacteus
Botanical Pronunciation: Kah-tone-ee-AS-tur LACK-tea-us
Common Name: Red Clusterberry
Family Name: Roseaceae
Diseases: Fireblight and sootie mold.
Flower: White, five single pedel clusters 3-4
Growth: 6-15' X 6-8' spread. fast growing.
Landscape Use: Attracts birds, background, deer proof, erosion control, espalier, hedge, screen, shrub mass and specimen.
Light: Sun to part shade on the coast.
Location: South of 600 building
Pest: Aphids.
Problems: Reseeds and can be a fire hazard.
Propagation: By seeds or cuttings.
Pruning: To shape and will tolerate shearing for hedges.
Tolerance: Drought, winds, sea coast, heat, neglect and desert conditions.
Type: Broadleaf evergreen tree or shrub.
Water: Moderate, dry between monthly.
California Native: No
Description: Hardy to 10 degrees.
Sunset zones 4-24
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Botanical Name: Rosmarinus officinalis 'Prostratus"
Botanical Pronunciation: pose-mah-RHINE-us oaf-fish-in-AL-us pro-STROT-us
Common Name: Trailing Rosemary
Diseases: Crown rot in wet soil.
Flower: Light blue, 1/2
Growth: 2' x 4-8' fast growth, 25 year life.
Landscape Use: Attracts bees, bank cover, border/edging, container plant. cut/dried flowers, deer prood, erosion control, ground cover, hedge low, rock garden, seacoast, specimen plant and wall spiller.
Light: Sun on the coast.
Location: East side of LRC
Pest: None.
Problems: None.
Propagation: By cuttings and layering.
Pruning: Tolerates shearing.
Tolerance: Deer, drought, heat, insects, lawn irrigation, neglect, seacoast, smog/dust and winds.
Type: Broadleaf evergreen, herbaceous, perennial shrub or groundcover that is dense, mounding, semi-open spreading and trailing.
Water: Dry between until established (2 dry seasons) then none in summer.
California Native: No
Description: Hardy to: 15-18 degrees.
Sunset zones: 4-24, H1, H2
EBMUD: 205
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Botanical Name: Lavandula angustifolia, L. dentata, L. stoechas
Botanical Pronunciation: lah-VAN-due-lah an-gus-teh-FOAL-ee-ah, den-TAH-tah, STOY-kas
Common Name: Lavender
Diseases: Phytopthera (control) by remove and destroy. Fusarium wilt (control) reduce watering and hope.
Flower: Spikes of tubular, 2 lipped white, pink, lavender, green, purple, blue purple & yellow.
Growth: 3-4' X 3-4' spread, fast in youth to fast in maturity.
Landscape Use: Attracts bees, bank cover, borders, container plant, cut flowers, deer proof, hedge medium, seacoast, and a shrub mass.
Light: Sun on both coast and inland.
Location: Gym Plaza
Pest: Spittle bug & whitefly (control) neem oil soap, aphids (control) decrease watering.
Problems: Allergen and short lived in gardens.
Propagation: Cuttings, layering and seeds.
Pruning: Dead head flowers and annually after flowering.
Tolerance: Deer, drought, heat, neglect, seacoast, and winds.
Type: Herbaceous peremmial shrub that is dense, round, semi open, spreading and upright.
Water: Only until established.
California Native: No
Description: Notice the difference in the flowers.

Hardy to 15-20 degrees.
Sunset zones: 8, 9, 12-24
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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: Phyla nodiflora
Botanical Pronunciation: Fi-lah no-deh-FLOR-ah
Common Name: Lippia
Diseases: None.
Flower: Circular head of purple to pink flowers 1/4
Growth: Fast in the sun and slow in shade.
Landscape Use: Attracts bees, bank cover, container plant, deer resistant, erosion control, fire retardant, groundcover, seacoast, wall spiller, and walkable.
Light: Sun to part sun on the coast and inland.
Location: Circular planter southeast of LRC.
Pest: Nematoder in warmer soils.
Problems: Reseed but that's ok when used as a ground cover.
Propagation: By cuttings, divisions, layering and root runners.
Pruning: Trim regular or mow.
Tolerance: Deer, drought, heat, insects, desert, lawn irrigation, neglect, seacoast and winds.
Type: Broadleaf evergreen, deciduous, herbaceous perennial groundcover.
Water: Dry between to none in summer.
California Native: No
Description: Hardy to 15 degrees.
Sunset zones: 8-24.
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Botanical Name: Teucrium fruticans
Botanical Pronunciation: TWO-kree-uhm / FRUIT-eh-kans
Common Name: Bush Germander
Family Name: Lamiaceae
Diseases: None.
Flower: Pale blue-lavender-deep blue 5 Pedel 3/4-1" dia. teardrop with fragrant leaves.
Growth: 40-8'heigh x 4-8'spread, slow to average growth.
Landscape Use: As background, bank cover, container plant, to attract bird/bees, informal hedge, rock garden, screen, on the sea coast and shrub mass.
Light: Sun on the coast and inland.
Location: West of LRC.
Pest: None.
Problems: None.
Propagation: By cuttings and seeds.
Pruning: As desired in late winter and early spring, thin/cut back every 3 yewars or so.
Tolerance: Drought, deer, wind, sea coast, heat, insect or disease resistant and neglect.
Type: Broadleaf evergreen shrub that is dense round, spreading and upright.
Water: Monthly.
California Native: No
Description: Medium scale gray leaf loose shrub with sage like flower.
Hardy to 0 degrees.
Sunset zones: 4-24.
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Botanical Name: Lavandula x heterophylla
Botanical Pronunciation: Lah-VAN-due-lah x het- err- OFF-eh-lah
Common Name: Sweet Lavender
Diseases: Root rot w/heat and humidity, sooty mold from essential will grow out of it - not a disease.
Flower: Tiny tubular flowers in spike.
Growth: 3-4' x 3-4' Fast and fast in youth.
Landscape Use: Attracts bees/birds, bank cover, border/edging, cut flowers, deer proof, seacoast, and shrub/plant mass.
Light: Sun on the coast and sun to part sun inland.
Location: Western side of 100, flanking path.
Pest: None.
Problems: Short-lived in gardens about 5-7 years.
Propagation: By cuttings and seeds.
Pruning: Dead head flowers, tip prun as needed but will tolerate shearing in Feb. but no more that 1/3.
Tolerance: Deer, drought, heat, insects, neglect. and seacoast.
Type: Broadleaf evergreen, perennial shrub.
Water: None in summer.
California Native: No

Botanical Name: Phormium tenax
Botanical Pronunciation: FOUR-me-uhm TEN-ax
Common Name: New Zealand Flax
Diseases: Crown rot possible in very poorly drained soil.
Flower: Tubular, spike 3-4' above leaves dull red of yellow.
Growth: 1-3' - 6-10' X 1-3'-6-10' Fast growth.
Landscape Use: Container plant, cut flowers, attracts birds, deer proof, shrub mass, specimen plant and windbreak.
Light: Sun to part sun on the coast and inland.
Location: Gym parking lot.
Pest: Gophers to control plant in baskets or trap,
Problems: None.
Propagation: By division or seeds.
Pruning: Dead head flowers and remove older leaves.
Tolerance: Deer, drought, heat, insects, lawn irrgation, neglect, poor drainage, seacoast, smog/dust, and winds.
Type: Broadleaf evergreen herbaceous perennial shrub that is dense, round, spreading and upright.
Water: Only until established then none in summer.
California Native: No
Description: Hardy to 10 degrees.
Sunset zones 7-9, 14-24

Botanical Name: Miscanthus sinensis 'Zebrinus'
Botanical Pronunciation: Miss-CAN-thuss /sigh-NES-sis / 'Zeh-BRY-nuss'
Common Name: Zebra Grass
Family Name: Poaceae
Diseases: None.
Flower: Pinkish copper silky plumes in fall - winter.
Growth: 5-6' height x 5-6' spread. Fast growth.
Landscape Use: Background, deer proof, erosion control, meadow/grassland, pond/stream/ screen, seacoast, shrub/plant mass and specimen plant.
Light: Sun on the coast and sun to part sun inland.
Location: South side of 300 building
Pest: Gophers (control) wire baskets.
Problems: Fire hazard if not cut back.
Propagation: By division and seeds.
Pruning: Cut back in early spring to 12-18" or it flops.
Tolerance: Deer,drought,heat, insects resistant, lawn irrigation, poor drainage, seacoast and winds.
Type: Deciduous grass that is clumping,spreading, upright and pictureque.
Water: Monthly.
California Native: No
Description: Hardy to 0-10 degrees.
Sunset zones: 2-24.

Botanical Name: Liquidambar styraciflua
Botanical Pronunciation: Lick-quid-AM-bar sty-rass-eh-FLUE-eh
Common Name: Liquidambar - sweet Gum
Family Name: Hamamelidaceae
Diseases: None
Flower: Insignificant.
Growth: 40-80' X 15-30' spread, fast to average.
Landscape Use: Background, deer resistant, screen, speciment plant and climbable.
Light: Sun to part sun on the coast and inland.
Pest: Tent caterpillars (control) pruning out and destroy, aphids (control) by evaluate watering. Squirrels don't feed.
Problems: Drain cloggers, excess litter, pavement buster, shallow rooted suckers and week wooded branches breakage very common.
Propagation: By seeds and grafting.
Pruning: Corrective pruning.
Tolerance: Deer, heat, lawn irrgation, poor drainage and smog/dust.
Type: Deciduous tree that is dense, oval, semi-open, spreading and upright.
Water: Ample, none in summer.
California Native: No
Description: Hardy to 0 degrees.

Sunset zones: 3-9, 14-24.