Colleen Johnsen's California Plants
Class #164: California Natives & Plant Communities, Lab #1

Class #164: California Natives & Plant Communities, 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: Festuca california *
Botanical Pronunciation: Fress-TWO-kah cal-eh-FOR-neh-kah
Common Name: California Fescue
Family Name: Poaceae
Diseases: None.
Flower: Loose spikelets green to purple in April to June.
Growth: 2-3' x 2' Fast growth.
Landscape Use: Attracts birds/bees, bank cover, cut flowers, deer proof, erosion control, ground cover, rock garden and grass mass.
Light: Sun to part shade on the coast and inland.
Pest: None.
Problems: None.
Propagation: By seed and divisions.
Pruning: Cut back to 6" every year to invigorate.
Tolerance: Drought.
Type: Broadleaf evergreen grass that is dense, clumping, spreading and upright.
Water: Coast two times a month, dry to none in summer inland.
California Native: Yes
Description: Medium to large scale clumping grass.

Hardy to 10-15 degrees.

Sunsset zones 4-9, 14-24.
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Botanical Name: Aesculus california *
Botanical Pronunciation: ESS-kew-luss
Common Name: Buckeye
Family Name: Hippocastanaceae
Diseases: None.
Flower: White/pink dense apanicle of tubular 6-10' z 2-3' wide flowers in April-June that are fragrant.
Growth: 39-50' x 30-50', average to fast growth.
Landscape Use: Attracts butterflies, background,, shade plant and specimen plant.
Light: Sun to part shade.
Location: Wilder Ranch and San Lorenzo River Walk
Pest: None.
Problems: Excesss litter.
Propagation: By seeds.
Pruning: To control size or accentuate sculptural look.
Tolerance: Deer, drought, heat, neglect and poor drainage.
Type: Deciduous tree that is dense, picturque, round spreading and upright.
Water: Monthly/dry season to none in summer.
California Native: Yes
Description: Hardy to 0 degrees.
Sunset zones 3-10, 14-24.

Prefers moist loam.

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: Festuca rubra
Botanical Pronunciation: Fess-TWO-kah RUBA--rah
Common Name: Red Fescue
Family Name: Poaceae
Diseases: None
Flower: Long panicle in May to June.
Growth: Fast.
Landscape Use: Fire retardant, ground cover and in a meadow.
Light: On the coast sun to part sun and inland part sun.
Location: Hort. center entry meadow grasses.
Pest: None.
Problems: None.
Propagation: By seed.
Pruning: Cut to the ground yearly.
Tolerance: Drought, winds, sea coast, deer and lawn irrigation.
Type: Deciduous summer grass that is dense, fine and mat forming.
Water: Monthly to keep green.
California Native: Yes
Description: Soft mounding fine texture grass for meadows.

Hardy to 10 degrees.

Sunset zones A2-A3, 1-10, 14-24
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Botanical Name: Achillea millefolium
Botanical Pronunciation: Ah-KILL-ee-ah mill-eh-FOAL-uhm
Common Name: Yarrow, Millefoil
Family Name: Asteraceae
Diseases: None.
Flower: White (pink) in the spring to autumn.
Growth: 6-12 x 2'+, fast gtrowth.
Landscape Use: Attracts birds/bees, cut flower dried, deer proff, erosion control, fir retardant, ground cover, attracts, rock garden and sea coast.
Light: On the coast and inland full sun to part shade but blooms better in the sun.
Location: Front entry Sesnon House.
Pest: None.
Problems: None.
Propagation: Direct seed, division but rarely by cuttings.
Pruning: Mow as an informal lawn and trim seed heads late summer.
Tolerance: Drought, wind, sea coast, heat, deer, neglect and lawn irrigation.
Type: Deciduous perennial ground cover, dense, mat forming and spreading.
Water: Dry between . Drought tolerant once established.
California Native: Yes
Description: Soft low groundcover that is walkable.
Hardy to 0 degrees.
Sunset zones all zones.
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Botanical Name: Erigeron glaucus
Botanical Pronunciation: Air-RIDGE-err-on GLAW-cuss
Common Name: Seaside Daisy
Family Name: Asteraceae
Diseases: None.
Flower: Daisy.
Growth: 10-12" x 1-2' spread with average growth.
Landscape Use: Borders, fire retardant, ground cover, rock garden and sea coast.
Light: Sun on the coast and part shade inland.
Location: Seymour Discovery Center.
Pest: Gophers and snails.
Problems: Short lived.
Propagation: Seed, division or cuttings.
Pruning: Remove spent flower heads and cut back to invigorate.
Tolerance: Winds, neglect, drought, sea coast and deer.
Type: Broadleaf evergreen pernennial groundcover that is dence, mat forming, spreading and mounding.
Water: Dry between.
California Native: Yes
Description: Herbaceous groundcover for coastal areas.

Hardy to 20 degrees.
Sunset zones 4-6, 15-17, 22-24.
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Botanical Name: Juncus patens
Botanical Pronunciation: JUNK-us PAY-tens
Common Name: Spreading Rush
Family Name: Juncaceae
Diseases: None.
Flower: Small clusters of dark brown flowers at tips.
Growth: 2' x 2' fast growth.
Landscape Use: Deer proof, erosion control and sea coast.
Light: Sun to part shade on the coast and part shade inland.
Location: Seymore Discovery Center.
Pest: None.
Problems: Invasive is moist areas.
Propagation: By division.
Pruning: Hand prune to ground or just prune out dead.
Tolerance: Winds, sea coast, deer, neglet, poor drainage and lawn irrigation
Type: Herbacious perennial sedge that is dense, clumping, upright and picturesque.
Water: Ample moisure to moderate.
California Native: Yes
Description: This plant is a natural, wild looking one.

Hardy to 0 degrees.
Sunset zones 4-9, 14-24.

Botanical Name: Artemisia pycnocephala
Botanical Pronunciation: Are-teh-meez-ah pick-knowcef-eh-la
Common Name: Beach Sagewort
Family Name: Asteraceae
Diseases: Crown rot is soil is dense.
Flower: Green-yellow spikes in July - August.
Growth: 1-2' x 1-2' average growth.
Landscape Use: As a bank cover, ground cover, in a rock garden and spilling over a wall.
Light: Sun on the coast and inland.
Location: Hort Center Entry, Sunset State Breach
Pest: None
Problems: Short lived and crown rot in dense soil.
Propagation: By cuttings, division and seeds.
Pruning: Plant maintains neater habit if flowers are cut off.
Tolerance: Deer, drought, insect/disease resistant, neglect, seacoast and winds.
Type: Herbaceous perennial that is dense, mat forming, and spreading.
Water: Dry between to none in summer.
California Native: Yes
Description: Low, soft, silvery ground cover for excellent drainage.
Hardy to 15-20 degrees.
Sunset zones: 4-6, 15-17, 22-24.
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Botanical Name: Berberis repens
Botanical Pronunciation: BURR-berr-iss / REP-nns
Common Name: Creeping Barberry
Family Name: Berberidaceae
Diseases: None.
Flower: Yellow.
Light: Part shade to full shade on the coast and inland.
Location: North of 500
Pest: Aphids.
Problems: Invasive runners.
Propagation: By cuttings, division and seeds.
Pruning: Only to control any time of the year.
Type: Broadleaf evergreen Holly like spreading groundcover dense with yellow flowers.
Water: Ample Moisture.
California Native: Yes
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Botanical Name: Satureja douglasii
Botanical Pronunciation: Sat-ture-a-ah doug-loss-ee-i
Common Name: Yerba Buena
Family Name: Lamiaceae
Diseases: None.
Landscape Use: Container plant, deer proof, erosion control, fire retardant, groundcover, pond/stream, restoration, shade plant and wall spiller.
Light: Sun to shade on the coast and part sun to shade inland.
Location: Campus Hort. Center entry road near redwoods and entry court.
Pest: None.
Problems: Rooted runners.
Propagation: By cuttings and layering.
Pruning: None required.
Tolerance: Deer, drought, lawn irrigation, neglect, seacoast.
Type: Broadleaf evergreen groundcover that is dense, mat like, spreading and weeping.
Water: Monthly/dry season.
California Native: Yes
Description: Hardy to 10 degrees.
Sunset zones 4-9, 14-24.

Prefers acid loam that is well-drained but will tolerate clay.

Botanical Name: Arbutus menziesii
Botanical Pronunciation: are-BYEW-tuss men-ZEE-zee-i
Common Name: Madrone
Family Name: Ericaceae
Diseases: Fungal leaf spot and Madrone canker (fungus)
Flower: jug or urn shaped in white to pink in March to May.
Growth: 20-40' high X 20-40' spread.
Landscape Use: Attract birds, background and specimen.
Light: Sun on the coast and inland.
Location: Carothers Residence
Pest: Leaf miner, madrone leaf blotch miner, tent caterpillar and madrone shield bearer.
Problems: Excess litter.
Propagation: By seed - needs one month stratification.
Pruning: Remove dead limbs only. Great firewood.
Tolerance: Drought, heat and neglect.
Type: Broadleaf evergreen tree semi-open to open, spreading, upright and globular.
Water: Dry between.
California Native: Yes
Description: Hardy to 15 degrees.
Sunset zones 4-7, 14-19.

MENTION IN LAB 10

Botanical Name: Salvia x 'Bee's Bliss'
Botanical Pronunciation: SAL-vee-ah
Common Name: Bee's Bliss Salvia
Family Name: Lamiaceae
Diseases: Crown rot in wet soil, shade (control) Plant on a hill and avoid wet soils and shade.
Flower: Tubular whorts in lavender-blue in the spring that leaves have a fragrance and is not edible.
Growth: 18-24" x 10' spread, fast growing.
Landscape Use: Attracts bees, bank cover, erosion control, groundcover, rock garden, plant mass and wall spiller.
Light: Sun on coast and inland.
Location: Hort Court entry road hillside.
Pest: None.
Problems: Rooted runners.
Propagation: By cuttings and rooted stems.
Pruning: Tip prune as needed.
Tolerance: Deer, drought, heat, neglect, seacoast and modest traffic.
Type: Broadleaf evergreen groundcover, subshrub that is dense, mounding, spreading and trailing with medium texture.
Water: Only until established (2 dry seasons) and avoid summer watering.
California Native: Yes
Description: Hardy to 15 degrees.
Sunset Zones: 8,9, 14-17, 19-24.

Like well-drained soil.
Needs no fertilizer.

Botanical Name: Rhamnus californica 'Mound San Bruno'
California Native: No

Botanical Name: Claytonia perfoliata
Common Name: Miner's Lettuce
Family Name: Portulaceae
Diseases: None.
Flower: White star-like, bell-like clusters in center of leaf in Feb.-May.
Growth: 6-12" x 6-12' fast growing.
Landscape Use: Attracts birds, container plant, deer proof, fire retardant, groundcover, and shade plant.
Light: Sun to moisy/heavy shade.
Location: Wilder Ranch.
Pest: None.
Problems: Reseeds.
Propagation: By seeds.
Pruning: None required.
Tolerance: Deer, insect/disease resistant, neglect and seacoast.
Type: Broadleaf evergreen groundcover that is clumping, mat like and spreads.
Water: Ample.
California Native: Yes
Description: Hardy to 20 degrees.

MENTIONED IN LAB 10

Botanical Name: Ribes malvaceum 'Wunderlich'
Common Name: Chaparral Currant
Family Name: Grossulariaceae
Location: North of LRC
California Native: Yes