Colleen Johnsen's California Plants
Class #63: Plant Materials And Design B, Lab #11

Class #63: Plant Materials And Design B, Lab #11


Botanical Name: Dendronmecon rigida harfordii *
Common Name: Island Bush Poppy
Family Name: Papaveraceae
Diseases: Crown rot.
Growth: 8-15' tall X 10-15' across, average growth.
Light: Sun on the coast.
Location: UC Arboretum.
Pest: None.
Problems: Fire hazard.
Type: Broadleaf evergreen shrub.
Water: None in summer.
California Native: Yes
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Botanical Name: Fremontodendron californicum *
Botanical Pronunciation: free-mon-tow-DEN-dron cal-eh-FOR-neh-come
Common Name: California Flannel Bush
Family Name: Sterculiaceae
Diseases: Fungus rot in dense soil with summer watering.
Flower: Cup shaped, solitary, 5-petals in yellow, and yellow/orange in May - October.
Growth: 8-15' height x 10-15' spread, fast growth.
Landscape Use: Attracts bees/birds, background, deer proof, erosion control, espalier, screen shrun mass and specimen plant.
Light: Sun on the coast and inland.
Pest: Aphid and meally bugs, (control) no summer watering and place in full sun.
Problems: Short lived, 10 to 12 years.
Propagation: By cuttings and seeds.
Pruning: None required.
Tolerance: Deer, drought, heat and neglect.
Type: Broadleaf evergreen tree that is dense, mounding, pyramidal, semi-open, spreading and upright.
Water: Dry between to none in summer,
California Native: Yes
Description: LOCATED AT UC ARBORETUM

Hardy to 15-20 degrees.
Sunset zones 4-24.
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Botanical Name: Garrya elliptica *
Botanical Pronunciation: GARE-ee-ah ee-LIP-the-kah
Common Name: Coast Silktassel
Family Name: Garryaceae
Diseases: Crown rot (control) move. Fungal leaf spot (control) wet winter?
Flower: Insignificant.
Growth: 10-20'heigh x 10-20'spread, average growth to fast.
Landscape Use: Background, container plant, deer proof, espalier (informal), hedge(unusual), lawn tree, screen, seacoast, shade plant and shrub mass.
Light: Sun to part shade on the coast and inland.
Location: Along entry road.
Pest: Aphids to control increase water and fertilize, Scale to control with oil spray.
Problems: None.
Propagation: Bt cuttings and seed.
Pruning: Remove dead limbs, tip prune as needed and will tolerate shearing as desired to shape.
Tolerance: Deer, drought, heat, insects, lawn irrigation, neglect, poor drainage and smog.
Type: Broadleaf evergreen shrub.
Water: Dry between to none in summer,
California Native: Yes
Description: Hardy to 10-15 degrees.
Sunset zones: 4-0, 12-24.
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Botanical Name: Mimulus aurantiacus
Botanical Pronunciation: MIM-yew-luss or-ON-tee-ock-us
Common Name: Sticky Monkey Flower
Family Name: Scrophulariaceae
Diseases: Sensitive to soil fungi.
Flower: Tubular yellow- orange in March - August. Good summer flowering display.
Growth: 2-4 feet x 2-4 feet , fast growing.
Landscape Use: Background, bank cover, rock garden and shrub mass.
Light: On the coast and inland both full sun and part shade.
Location: Carothers residence
Pest: None.
Problems: Short lived in gardens because they need good drainage.
Propagation: Seed, division and cuttings. Root easily in moist sand.
Pruning: Hard pruning in early spring will keep growth from getting leggy.
Tolerance: Drought, sea coast, heat and neglect.
Type: Broadleaf evergreen shrub or subshrub that is semi-open, spreading upright and globular.
Water: Drought tolerant but also thrives with additional water.
California Native: Yes
Description: Hardy to 15 degrees.

Sunset zones 7,8,9 & 14-24.

Just mentioned plant in Labs 8, 11 & 15
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Botanical Name: Epilobium canum californicum *
Botanical Pronunciation: epp-eh-LOBE-ee-uhm CANE-uhm
Common Name: California Fuchsia
Family Name: Onagraceae
Diseases: None.
Flower: Orange, scarlet orange tubular trumpet shape 1-1/2-3" X 1/2" with no frangrance.
Growth: 12-15" height X 3-4'+ spread of fast to average growth.
Landscape Use: Attracts bees/birds and bank cover w/others.
Light: Sun to part sun on the coast and inland.
Location: Corner of Front and Soquel.
Pest: None.
Problems: Invasive roots under ground.
Propagation: By division and seeds.
Pruning: Remove old branches and clean up as it dies down.
Tolerance: Deer, drought, heat, insect, neglect, smog/dust.
Type: Deciduous perennial ground cover
Water: Dry between.
California Native: Yes
Description: Hardy to 15 degrees.
Sunset zones 5-9, 14-24.

Prefers all types of soil.

Botanical Name: Arctostaphylos edmundsii
Botanical Pronunciation: ark-toe-staff-eh-los ed-mund-zee-i
Common Name: Little Sur Manzanita
Family Name: Ericaceae
Diseases: None.
Flower: Bell shape white to pale pink in December - January
Growth: 4-12" heigh x 4-6', average growth.
Landscape Use: Attracts bees/birds, bank cover, deer proof, groundcover and seacoast.
Light: Full fun to part shade on the coast and part shade inland.
Location: UC Arboretum.
Pest: Flat head borer (control) None.
Problems: Crown rot in dense soils.
Propagation: By cuttings and seeds.
Pruning: None required. To control growth frequent pinching during growing season.
Tolerance: Deer, drought, seacoast and winds.
Type: Broadleaf evergreen groundcover. They are dense mat forming and trailing.
Water: Dry between to none in summer.
California Native: Yes
Description: Low mat area groundcover that likes well drained soil.

Hardy to 15 degrees.
Sunset zones 6-9, 14-24.
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Botanical Name: Arctostaphylos pajaroemsis
Common Name: Pajaro Manzanita
Family Name: Ericaceae
Diseases: Root rot
Flower: Urn shaped pink to white, 1/4" long in March.
Growth: 3 -8' X 10-12' average to fast growth.
Light: Sun on coast.
Pest: None
Problems: None
Propagation: By seed or cuttings.
Pruning: Remove only dead wood.
Type: Broadleaf evergreen shrub that is semi-open, upright and mounding.
Water: None in summer
California Native: Yes
Description: Medium sized manzanita for well drained soils.
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Botanical Name: Baccharis pilularis
Botanical Pronunciation: BACK-eh-russ pill-yew-LAIR-uss
Common Name: Coyote Brush
Family Name: Asteraceae
Diseases: Spider mites.
Flower: Bead like in clusters, 1/8th inch. Yellow flowers in August to December.
Growth: 10' x 10' spread fast growing.
Landscape Use: It attracts birds and bees, can be a bank and ground cover , erosion control, deer proof, screen, wind break and on the sea coast.
Light: Full sun on the coast and full to part shade inland.
Location: Wilder Ranch
Pest: Aphids and leafhoppers.
Problems: Can be a fire hazard.
Propagation: By seeds or cutings.
Pruning: Can be pruned or shear if desired.
Tolerance: Deer, heat, neglect, seacoast, winds.
Type: Broadleaf evergreen shrub that is dense, spreading and upright.
Water: Dry to none in summer.
California Native: Yes
Description: Medium to large scale shrub with wildlife value.
Hardy to 15 degrees.
Sunset zones 5-11,14-24.

Botanical Name: Pteridium aquilinum
Botanical Pronunciation: Tur-ID-ee-uhm ack-weh-LIN-uhm
Common Name: Bracken Fern
Family Name: Dennstaeditiaceae
Diseases: None.
Flower: Spores
Growth: 4-6' x 2-3', fast growth.
Landscape Use: Cut / dry leaf, deer proof, erosion, restoration, rock garden and plant mass.
Light: Sun to full shade on both coast and inland.
Location: New Brighton State Beach
Pest: None.
Problems: Invasive roots.
Propagation: By spores or division.
Pruning: As desired to remove old frongs.
Tolerance: Deer, drought, neglect and seacoast.
Type: Deciduous fern.
Water: Dry between.
California Native: Yes
Description: Hardy to -0 degrees.
Sunset zones 1-10, 14-24

Prefers loam and no fertillzer.
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Botanical Name: Ceanothus gloriosus exaltatus
Botanical Pronunciation: see-ah-KNOE-thus glor-ee-OH-sus x-all-TAY-tuss
Common Name: Emily Brown Ceonothus
Family Name: Asteraceae
Diseases: Crown rot in wet soil.
Flower: Spikes of dark violet-blue star shaped3/4' x 3/4" in the spring.
Growth: 1-2" X 4-6' spread that is fast growingg.
Landscape Use: Attracts bees/birds, bank cover, erosion control and groundcover.
Light: Sun on the coast and part sun inland.
Location: Hort Entry
Pest: None.
Problems: Short-lived in gardens.
Propagation: By cuttings.
Pruning: Tip prune lightly if at all.
Tolerance: Drought, seacoast and winds.
Type: Broudleaf evergreen groundcover that is dense, spreading and arching.
Water: Only until established(2 years), none in summer and monthly/dry season.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 5-9, 14-24.

Botanical Name: Arctostaphylos 'Pacific Mist'
Botanical Pronunciation: ark-toe-STAFF-eh-los
Common Name: Pacific Mist Manzanita
Family Name: Ericaceae
Diseases: None.
Flower: Bell shaped in white clusters in late winter.
Growth: 2' X 10'+ average growth.
Landscape Use: Attracts bees, bank cover, deer proof, groundcover, and seacoast.
Light: Sun topart sun on the coast to part sun inland.
Pest: Flat headed borer.
Problems: None.
Propagation: By cuttings.
Pruning: Tip prune as needed in the spring.
Tolerance: Deer, drought, insects, neglect seacoast and wind.
Type: Broadleaf evergreen groundcover subshrub that is dense, mounding and spreading.
Water: Only until established (2 dry seasons) none in summer and monthly in dry seasons.
California Native: No
Description: Hardy to 15-20 degrees.
Sunset zones: 7-9, 14-24.