Colleen Johnsen's California Plants
Class #62: Plant Materials And Design A, Lab #9

Class #62: Plant Materials And Design A, Lab #9


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: Salvia leucantha
Botanical Pronunciation: SAL-vee-ah lew-can-THAH
Common Name: Mexican Sage
Family Name: Lamiaceae
Diseases: May die out in wet or clay (control) don't plant it there.
Flower: Purple spikes 12-18", panicle 1/8" omdiv. in the spring.
Growth: 4-5' x 4-5' spread fast in youth.
Landscape Use: Attracts birds, bank cover. borders/edging, container plant, cut flower, deer proof, erosion control, rock garden, sea coast, and shrub.
Light: Sun to part sun on the coast and inland.
Location: East of 100 building, SW of 600, & East of 1500 building.
Pest: Mealybugs (control) more water, spittlebugs no real damage caused.
Problems: None.
Propagation: By cuttings, division and layering.
Pruning: Dead head stems and old canes in early spring.
Tolerance: Deer, drought, heat, insects, lawn irrigation, some poor drainage, seacoast and winds.
Type: Herbaceous perennial.
Water: Dry between.
California Native: No
Description: Hardy tp 10-15 degrees.

Sunset zones: 8-9, 11-24, H1, H2
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Botanical Name: Pittosporum eugenioides
Botanical Pronunciation: Piy-TOSS-pour-uhm yew-jean-ee-oi-deez
Common Name: Tarata
Family Name: Pittosporaceae
Diseases: Sooty mold, control insects.
Flower: Yellow & green tubular, in clusters 1/2" dia. in the spring.
Growth: 20-40' X 15-30' spread, average growth.
Landscape Use: Background, hedge, screen, and windbreak.
Light: Sun and part sun on both the coast and inland.
Pest: Aphids and scale (control) evaluate watering.
Problems: Reseed gently and shallow rooted.
Propagation: By cuttings and seed.
Pruning: Tip prune as needed and will tolerate shearing as desired.
Tolerance: Drought, heat, insect, lawn irrigation, neglect, seacoast, and winds.
Type: Broadleaf evergreen shrub or tree.
Water: Monthly in the dry season.
California Native: No
Description: Hardy to 15-20 degrees.

Sunset zones: 9, 14-17, 19-22, H1.
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Botanical Name: Pinus canariensis
Botanical Pronunciation: Pie-nuss kah-nair-ee-EN-suss
Common Name: Canary Island Pine
Family Name: Pinaceae
Diseases: None
Flower: Beautiful cones at are 4-8"
Growth: Average to fast growing, 40-60' tall x 15-25' spread.
Landscape Use: Background, deer resistant, lawn tree, wind spiller, wind break, parks, campus and median in highways.
Light: Sun on the coast.
Location: North of 600 building.
Pest: None.
Problems: Excess litter.
Propagation: Seed.
Pruning: None required but remove dead limbs.
Tolerance: Deer, drought, heat, insect lawn irrigation, neglect, seacoast, smog/dust and wind.
Type: Conifer tree.
Water: In northern California dry between watering.
California Native: No
Description: Hardy to 15-20 degrees.
Sunset Zones 16-18 and 21-23.
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Botanical Name: Xylosma congestum
Botanical Pronunciation: zy-LAHZ-meh con-JESS-tum
Common Name: Shiny Xylosma
Family Name: Flacourtiaceae
Diseases: None.
Flower: Yellow to green in late fall.
Growth: Average to fast growth. 10'-20' high x 10'-15' spread.
Landscape Use: Attrats bees, back ground, container plant, espalier, hedge, screen, shrub barrier, and living railing.
Light: Sun to shade on the coast.
Location: Southeast of 700 building.
Pest: Scale and spider mites.
Problems: None.
Propagation: By cuttings.
Pruning: None required but tolerates shearing and radical pruning.
Tolerance: Drought, heat, insect, lawn irrigation, poor drainage, seacoast, smog/dust and winds.
Type: Broadleaf evergreen shrub.
Water: Dry between to none in summer.
California Native: No
Description: Hardy to 10 degrees.
Sunset zones 8-24.
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Botanical Name: Olea europaea
Botanical Pronunciation: OLE-ee-ah yer-OH-pea-ah
Common Name: European Olive
Family Name: Oleaceae
Diseases: Verticillium wilt.
Flower: Panicle 1/8" pinicle indiv. 2-3" X2" in spring.
Growth: 30-50' X 20-30'+ fast in youth to average.
Landscape Use: Backgrounds, container plant, espalier, hedges, lawn tree, sea coast, shade, specimen and wind break.
Light: Sun on the coast and inland.
Location: East of 700; Circular planter east of 300.
Pest: Scale.
Problems: Allergen, suckers at base, excess litter with fruit skins and can be a fire hazard.
Propagation: By cuttungs and grafting.
Pruning: Structural thinning for form, takes shearing and break off sucker.
Tolerance: Deer, drought, heat, insects/disease resistant, lawn irrigation, neglect, poor drainage, seacoast, smog/dust and wind.
Type: Broadleaf evergreen tree.
Water: Tolerates ample moisture but dry between to none in summer.
California Native: No
Description: Hardy to 10-15 degrees,

Sunset zones: 8-9, 11-24, H1, H2.

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.