Colleen Johnsen's California Plants
Class #62: Plant Materials And Design A, Lab #6

Class #62: Plant Materials And Design A, Lab #6


Botanical Name: Quercus rubra
Botanical Pronunciation: kwer-cuss REWB-rah
Common Name: Red Oak
Family Name: Fagaceae
Diseases: None.
Flower: Catkins yellow to green.
Growth: Fast in youth, 60'-70' x 35'-50'.
Landscape Use: Background, lawn tree and specimen tree.
Light: Sun on coast and inland.
Location: Lower campus path by Computer Tech. Center 1400 bldg.
Pest: Caterpillars, scale, and gulls.
Problems: Excess litter.
Propagation: By seeds.
Pruning: None required.
Tolerance: Deer, drought, heat, lawn irrigation, neglect, and smog/dust.
Type: Broadleaf evergreen tree that are dense, and picturesque upright spreading.
Water: Moderate to dry between.
California Native: No
Description: Hardy to 0 degrees.
Sunset zone: 1-10, 14-21.
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Botanical Name: Arbutus unedo 'Compacta'
Botanical Pronunciation: Ar-BUTTE-us you-NEIGH-dough
Common Name: Dwarf Strawberry Tree
Family Name: Ericaceae
Diseases: Rhizoctonia
Flower: White to pink bells, in drooping panicles 1/4" dia. in the fall.
Growth: 6-10'' x 6-10', Average to slow growth.
Landscape Use: Attracts bees, hedge, screen, seacoast, street tree and wind break.
Light: Sun to part shade on coast and inland..
Location: East side of Baskin Center
Pest: Aphids, scale (control) increase watering. Thrips (control) Safer's soap, sticky traps.
Problems: Dropping fruit.
Propagation: By cuttings.
Pruning: Will tolerate shearing as desired to reveal branch structure.
Tolerance: Drought, deer, heat, lawn irrigation, neglect, poor drainage, seacoast, smog/dust and wind.
Type: Broadleaf evergreen tree that is dense, oval, semi-open, spreading and upright.
Water: Moderate to dry between/none in summer.
California Native: No
Description: Hardy to 10 degrees.
Sunset zone 4-24
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Botanical Name: Euryops pectinatus ' viridus '
Botanical Pronunciation: YUR-ee-ops peck-tin-A-tuss VEER-eh-dus
Common Name: Euryops Daisy
Family Name: Asteraceae
Diseases: Crown rot in clay.
Flower: Yellow daisy.
Growth: 3-6' x 3-4' spread, fast growth.
Landscape Use: Attracts bees, bankcover, container plant, cut flowers, deer proof, rock garden, seacoast, and shrub mass.
Light: Sun on the coast.
Location: West of atmospheric weather station and planter west of 1400 bldg.
Pest: Snails pick to kill.
Problems: Short lived 8-10 years.
Propagation: By cuttings.
Pruning: In early spring prune to 18" after blooming.
Tolerance: Deer, drought, heat, insects, neglect, seacoast and winds.
Type: Broadleaf evergreen herbaceous, perennial shrub.
Water: Moderate to dry between.
California Native: No
Description: MENTIONED IN LAB 2
Hardy to 20 degrees.
Sunset zones: 8,9, 12-24
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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: 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: Clivia miniata
Botanical Pronunciation: KLI-vee-ah min-ee-AH-tah
Common Name: Kaffir Lily
Diseases: Bacteerial spot, virus-like disease.
Flower: 6-petaled, funnel-shaped yellow, orange, salmon or red. In Dec.-April.
Growth: 18" X 12", slow to average growth.
Landscape Use: Container, border, deer proof, pond/stream, rock garden, shade plant or shrub mass.
Light: Part sun to shade on both coast and inland.
Location: Gym Plaza.
Pest: Mealybugs to control increase water, snails just kill.
Problems: All parts poisonous!
Propagation: By division or seeds.
Pruning: Dead head flowers.
Tolerance: Deer, drought, lawn irrigation and neglect.
Type: Broadleaf evergreen herbaceous perennial that is clumping,round, semi-open, spreading and upright..
Water: Monthly/dry season.
California Native: No
Description: Hardy to 25 degrees.
Sunset zones 12-17, 19-24, H1, H2 or indoors.

Botanical Name: Gazania rigens leucolaena
Botanical Pronunciation: gah-ZANE-ee-ah RIDGE-ehns lew-coe-LAY-nah
Common Name: Gazania
Family Name: Asteraceae
Diseases: Crown rot
Flower: Daisy flower in pink, yellow and burgundy in the spring to fall.
Growth: 3-8" X 8-12"+ fast in youth growth.
Landscape Use: Attrats bees, bank cover, border/edging clumps, container plant, erosion control, fire retardant, ground cover, rock garden, sea coast, wall spiller and hanging basket.
Light: Sun in the coast and inland.
Pest: Snails (control) hand pick or organic bait.
Problems: Short-lived in gardens.
Propagation: By cuttings and seeds.
Pruning: Dead head flowers.
Tolerance: Deer, drought, heat, lawn irrigation, neglect and seacoast.
Type: Broadleaf evergreen groundcover that is dense, mat, semi-open, spreading and trailing.
Water: Monthly/dry season
California Native: No
Description: Hardy to 22-25 degrees.
Sunset zones: 1-7 treat as annual, 8-24.

Botanical Name: Aptenia cordifolia
Common Name: Aptenia, Baby Sun Rose
Family Name: Aizoaceae
Flower: Cherry red - pink circular shape 1/2 - 1" dia. in the spring to fall.
Growth: 6-12" X 2-12' fast in youth to fast in maturity.
Light: Sun to part sun on the coast and inland.
Pest: None.
Problems: Invasive.
Propagation: By cuttings.
Pruning: Tip prune as needed as desired to control.
Tolerance: Deer?, drought, heat, insect/disease resistant, neglect, seacoast and winds.
Type: Broadleaf evergreen groundcover herbaceous perennial succulent.
Water: Monthly/dry season.
California Native: No
Description: Hardy to 20-28 degrees.
Sunset zones: 12, 13, 15-17, H1, H2,21-24.