Colleen Johnsen's California Plants
Class #62: Plant Materials And Design A, Lab #2

Class #62: Plant Materials And Design A, Lab #2


Botanical Name: Leptospermum scoparium
Botanical Pronunciation: lep-tow-SPER-mum skow-PAR-ee-uhm
Common Name: Australian Tea Tree
Family Name: Myrtaceae
Diseases: None.
Flower: 5 petal, flat in pink, white, red, and magenta.
Growth: 4'-6' x 10'-15'
Landscape Use: Attracts bees/birds, background, container plant, cut flower, deer proof, groundcover, screen, seacoast, shrub and windbreak.
Light: Sun to part shade.
Location: Circular planter southeast of 600 buildin
Pest: None.
Problems: Declines in vigor when sheared.
Propagation: By cuttings.
Pruning: Thin for sculptural effects and remove dead limbs.
Tolerance: Deer, drought, insects, neglect and seacoast but not bluff exposure.
Type: Broadleaf evergreen shrub.
Water: Moderate to dry between.
California Native: No
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Botanical Name: Acer palmatum
Botanical Pronunciation: A-sir pal-MAY-tum
Common Name: Japanese Maple
Family Name: Aceraceae
Diseases: Verticillium wilt (control) prune out disease parts & sterilize tools after each use. Fusarium (control)
Flower: Insignificant.
Growth: 6'-25' x 8-30' wide.
Landscape Use: Container plant, lawn tree, rock garden, screen, specimen plant, grove and patio tree.
Light: Sun to heavy shade on the coast, sun to shade inland.
Location: North of 300 & east of Photo Lab.
Pest: Aphids (control) increase water.
Problems: None.
Propagation: By cuttings, layering, seeds and grafting.
Pruning: Remove dead limbs, tip prune as needed and remove. long whips in summer, structural in winter.
Tolerance: Deer and lawn irrigation but no seacoast or winds.
Type: Deciduous tree.
Water: Ample moisture.
California Native: No
Description: Hardy to 0 degree.
Sunset zones: 2-10, 12, 14-24.
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Botanical Name: Pittosporum tobira
Botanical Pronunciation: pit-TOSS-pour-uhm
Common Name: Tobira
Family Name: Pittosporaceae
Diseases: None.
Flower: Cluster or funnel shape, yellow to white.
Growth: 3-4' X 4-5' spread, average growth.
Light: Sun to shade on the coast.
Pest: Golphers.
Problems: None.
Type: Broadleaf evergreen shrub.
Water: Moderate to dry between.
California Native: No
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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: Jasminum polyanthum
Botanical Pronunciation: Jaz-mee-nuhm paul-ee-AN-thuhm
Common Name: Pink Jasmine
Family Name: Oleaceae
Diseases: None.
Flower: Bud pink, flower white star shaped tube cluster.
Growth: 15-20' X 15' spread, fast growth.
Landscape Use: Attracts bees, bank cover, container plant, cut flowers, erosion control, espalier, groundcover, screen with support, specimen plant and wall spiller.
Light: Sun to part on the coast and inland.
Location: North of 300 & east of photo lab.
Pest: None.
Problems: Suckers at base on ground and excess litter.
Propagation: By cuttings.
Pruning: Annually to prevent tangling and every 3 years to ground.
Tolerance: Drought, heat, insects, lawn irrigation, neglect, seacoast and smog/dust.
Type: Broadleaf evergreen vine.
Water: Dry between.
California Native: No
Description: Hardy to 10-15 degrees.
Sunset zones: 5-9, 12-24.

Just Mentioned IN CLASS 63 / LAB 4
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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: Leptospermum scoparium
Botanical Pronunciation: lep-tow-SPER-mum skow-PAR-ee-uhm
Common Name: New Zealand Tea Tree
Diseases: Root rot(control) avoid heavy soils.
Flower: 5 petal flat pink, white, red and megenta. 3/4"
Growth: 2'-6-15' x 4-6'-10-15' average to slow in maturity.
Landscape Use: Atttacts bees/birds, background, container plant, cut flowers, deer resistant, ground cover, screen, seacoast, shrub mass and windbreak.
Light: Sun to part sun on the coast and inland.
Location: Circular planter southeast of 600.
Pest: None.
Problems: Declines in vigor when sheared.
Propagation: Cuttings.
Pruning: Remove dead limbs and thin for sculptural effects only to side branches, never to bare wood.
Tolerance: Deer, drought, insects, neglect and sea coast but not bluff exposure.
Type: Broadleaf evergreen ground cover & shrub.
Water: Only until established.
California Native: No
Description: Hardy to 20 degrees.
Sunset zones: 14-24.

Botanical Name: Dietes iridioides
Botanical Pronunciation: die-YETT-eez ear-id-ee-OY-dees
Common Name: Fortnight lily, Morace
Diseases: None.
Flower: Iris like in the spring to fall.
Growth: 4' high x 4' wide.
Landscape Use: Container plant, deer proof, rock garden, near pools, shrub mass, perennial mass, medians and parking lots.
Light: Sun on the coast and inland.
Location: South of 600 building.
Pest: Snails and rats.
Problems: Reseed.
Propagation: Division and seeds.
Pruning: Remove seed pods and divide every 5 years.
Tolerance: Hardy to 10 degrees to 0 degrees.
Type: Broadleaf evergreenm herbaceous perennial.
Water: Dry between.
California Native: No
Description: Hardy to 0-10 degrees.
Sunset zones: 8,9, 12-24,.
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Botanical Name: Aster chilensis
Botanical Pronunciation: AS-ter cheh-LEN-iss
Common Name: California Aster
Family Name: Asteraceae
Diseases: MILDEW (control) Elem.over hear watering
Flower: Daisy, circular in lavender & light purple, 1" dia.+ in late summer - fall.
Growth: 8" x 2" average to fast growth.
Landscape Use: Attracts bees, attracts butterflies, bank cover, container plant, deer proff, erosion control, fire retardant, ground cover, restoration, rock garden, seacoast and shrub mass.
Light: Sun to part sun on the coast and inland.
Location: Entrey Court Hort. Center
Pest: Golphers (control) wire baskets.
Problems: Rooted runners.
Propagation: By cuttings, division, and rhizomer.
Pruning: Dead head flowers, tip prune as needed, will tolerate shearing and prune to ground in late fall.
Tolerance: Deer. drought, lawn irrigation, neglect and seacoast.
Type: Broadleaf evergreen deciduous groundcover that herbaceous perennial.
Water: Monthly/dry season only until establishes (2 dry season) then none in summer,
California Native: Yes
Description: Hardy to: 0 degrees.
Sunset zones: 1-24
EBMUD: 73
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Botanical Name: Pittosporum tobira 'Variegata'
Botanical Pronunciation: Pit-TOSS-pur-uhm
Common Name: Tobira, Mock Orange
Diseases: Sooty mold.
Flower: Funnel shaped, in clusters in yellow to white.
Growth: 5-10' X 5-10 average growth.
Landscape Use: Attracts bees, background, border, container plant, cut foliage, hedge, screen, shrub mass. specimen plant.
Light: Sun to shade on both coast and inland.
Location: Western side of building 100.
Pest: Aphids (control) more water, scale (control) less water, gophers (control) by planting in baskets.
Problems: Weak wooded.
Propagation: By cuttings.
Pruning: Radical only in early spring, tip pruning as need and will tolerate shearing.
Tolerance: Deer, drought, lawn irrigation, neglect, seacoast and winds.
Type: Broadleaf evergreen shrub to tree when mature.
Water: Monthly/dry season none in summer after 10+ years.
California Native: No
Description: Hardy to 10-20 degrees.
Sunset zones 4-7, 8-24.