Colusa County
University of California
Colusa County

Down to Earth Plants for Colusa County

Arboretum All-Stars

Down to Earth plants for Colusa County are from the UC Davis Arboretum All-Stars collection. To see more plants click here.

Iris 'Canyon Snow' - Canyon Snow Pacific Iris

Iris

Latin Name: Iris ‘Canyon Snow’
Common Name: canyon snow Pacific iris
Type: Perennial
Size: Medium
California Native: Yes
Description: California native plant; most dependable hybrid iris of the Pacific coast; white orchid-like flowers light up shady gardens; grows with little maintenance; narrow leaves form an attractive, evergreen, grass-like mound.
Pruning Needs: little or none; can dig up and divide in fall
Sun Exposure: Part Shade
   
Water Needs: Low
Color(s): White
Bloom Season(s):

Spring

Wildlife Value:

Beneficial Insects

Berberis aquifolium 'Compacta' - Compact Oregon Grape

oregon grape

Latin Name: Berberis aquifolium ‘Compacta
Common Name: compact Oregon grape
Type: Shrub
Size: Small
California Native: Yes
Description: California native plant; dark, grape-like fruits provide food for native birds and can be made into preserves; tough plant that tolerates a variety of garden conditions; attracts beneficial insects and birds.
Pruning Needs: little or none
Sun Exposure: Part Shade Shade
   
Water Needs: Low
Color(s): Yellow
Bloom Season(s): Spring Winter
Wildlife Value: Beneficial Insects Birds

Mandevilla laxa - Chilean Jasmine

jasmine

Latin Name: Mandevilla laxa
Common Name: Chilean jasmine
Type: Vine
Size: N/A
California Native: No
Description: Attractive, twining vine; clusters of white, funnel-shaped flowers blossom in the summer with a delightful tropical fragrance; tolerant of both full sun and partial shade.
Pruning Needs: little or none; prune in winter to shape
Sun Exposure: Full Sun Part Shade
   
Water Needs: Very Low Low
Color(s): White
Bloom Season(s): Spring Summer
Wildlife Value: None

Cerastium tomentosum - Snow-in-Summer

snow in summer

Latin Name: Cerastium tomentosum
Common Name: snow-in-summer
Type: Groundcover
Size: N/A
California Native: No
Description: Gives a cool look to hot Central Valley gardens; can thrive in low to medium amounts of irrigation; silver foliage good for contrast with green-leaved plants.
Pruning Needs: little or none
Sun Exposure: Full Sun Part Shade
   
Water Needs: Low Medium
Color(s): White
Bloom Season(s):

Spring Summer

Wildlife Value: None

Festuca californica - California Fescue

Fescue

Latin Name: Festuca californica
Common Name: California fescue
Type: Perennial
Size: Medium
California Native: Yes
Description: California native plant; tolerates summer drought and various soil types, and is long lived; has graceful, gray-green leaves and airy flowers that mature to a golden yellow color.
Pruning Needs: remove old flower stalks in fall for tidy appearance
Sun Exposure: Part Shade
   
Water Needs: Very Low Low
Color(s): None
Bloom Season(s): Spring
Wildlife Value: None

Lagerstroemia hybrids and cultivars - Crape Myrtle

crape myrtle

Latin Name: Lagerstroemia hybrids and cultivars
Common Name: crape myrtle
Type: Tree
Size: Medium
California Native: No
Description: Provides year-round interest with summer flowers, fall color, and handsome ornamental bark in winter; comes in pink, white, lavender-purple, or red-flowering varieties; hybrid forms are more mildew resistant; attracts beneficial insects.
Pruning Needs: prune in winter to shape
Sun Exposure: Full Sun
   
Water Needs: Low Medium
Color(s): Pink Purple White Yellow
Bloom Season(s): Summer
Wildlife Value: Beneficial Insects

Kniphofia "Christmas Cheer' - Christmas Cheer Poker Plant

Poker Plant

Latin Name: Kniphofia ‘Christmas Cheer
Common Name: Christmas cheer poker plant
Type: Perennial
Size: Large
California Native: No
Description: Dramatic plant brightens up the winter garden; at the top of its tall flowering stems, brilliant orange buds open to deep-gold tubular flowers; long, narrow leaves form an attractive, medium-large clump over time; attracts hummingbirds.
Pruning Needs: remove old flower stalks
Sun Exposure: Full Sun Part Shade
   
Water Needs: Low
Color(s): Orange Yellow
Bloom Season(s): Winter
Wildlife Value: Hummingbirds

Echeveria 'Imbricata' - Hens and Chicks

hens and chicks

Latin Name: Echeveria ‘Imbricata
Common Name: hen and chicks
Type: Perennial
Size: Small
California Native: No
Description: Lovely, drought-tolerant edging plant for partial shade; sculptural foliage rosettes look like blue-green succulent “flowers;” spreads by producing plantlets that slowly form a groundcover.
Pruning Needs: remove old flower stalks
Sun Exposure: Part Shade
   
Water Needs: Low
Color(s): Red
Bloom Season(s): Spring
Wildlife Value: Hummingbirds

Bergenia crassifolia - Pigsqueak

pigsqueak
 

Latin Name: Bergenia crassifolia
Common Name: pigsqueak
Type: Perennial
Size: Small
California Native: No
Description: Dense clusters of pink flowers bloom in winter and early spring; classic California garden plant for dry or moist shady border; broad, shiny leaves provide textural contrast to small-leaved plants; attracts beneficial insects.
Pruning Needs: remove old flower stalks
Sun Exposure: Part Shade Shade
   
Water Needs: Low Medium
Color(s): Pink
Bloom Season(s):

Winter

 

Wildlife Value:

Beneficial Insects

Webmaster Email: colusa@ucanr.edu