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Ceanothus thyrsiflorus 'Arroyo De La Cruz'
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Arroyo De La Cruz Blue Blossom
( Ceanothus thyrsiflorus 'Arroyo De La Cruz' )
Ceanothus thyrsiflorus 'Arroyo De La Cruz'
More Photos at CalPhotos
More Info at Jepson eFlora
Calflora
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About Arroyo De La Cruz Blue Blossom (Ceanothus thyrsiflorus 'Arroyo De La Cruz')
15 Nurseries Carry This Plant
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Horticultural selection from
Ceanothus thyrsiflorus
. This garden selection grows to 4 feet high x 6-1 wide. Bright shiny evergreen leaves and medium-blue flowers in spring. It makes a large mounding shrub or ground cover, great for erosion control massed on slopes and banks, or a low, informal hedge. Plant in full sun in coastal gardens, provide partial shade inland. Attracts bees and butterflies. Hardy to 15 degrees F.
Horticultural selection C. thyrsiflorus: origin = cuttings (198) Arroyo de la Cruz, san Luis Obisbo Co.; intro Nevin smith, suncrest Nurseries 1981 Grows best in sandy, coarse-grained or other fast draining soil. Prefers sun in coastal sites, and sun or part shade in inland sites. Collected by Nevin smith in 1981 from Arroyo de la Cruz in san Luis Obispo Co; introduced by Wintergreen Nursery.
Thanks to Moosa Creek Nursery and the Theodore Payne Foundation for sharing information about this plant
Plant Description
Plant Type
Shrub
Size
6 - 10 ft tall
6 - 10 ft wide
Form
Mounding
Growth Rate
Fast
Dormancy
Evergreen
Fragrance
Fragrant - Pleasant, Slight
Flower Color
Blue
Flowering Season
Spring
Wildlife Supported
Insects, especially bees and butterflies, are attracted to the flowers. Plants in the Ceanothus genus are host plants to the Spring Azure, Echo Blue, Pacuvius Duskywing, California Tortoiseshell, Pale Swallowtail, and Hedgerow Hairstreak butterflies.
Landscaping Information
Sun
Full Sun, Part shade
Moisture
Low
Nurseries
Carried by 15
Ease of Care
Moderately Easy
Cold Tolerance
25
Soil Drainage
Fast
Soil Description
sandy, coarse-grained or other fast draining soils. Soil PH: 5.0 - 7.0
Common uses
Groundcovers, Hedges, Bank Stabilization, Bird Gardens, Butterfly Gardens, Bee Gardens
Companion Plants
Flannelbush (Fremontodendron spp.),
Bush Poppy
(
Dendromecon rigida
), Manzanitas (Arctostaphylos spp.),
Coast Buckwheat
(
Eriogonum latifolium
),
Golden Yarrow
(
Eriophyllum confertiflorum
),
Sticky Monkeyflower
(
Mimulus aurantiacus
), and various Rhus and
Ribes species
Maintenance
Tip pruning helps maintain a compact shape. Larger shrubs benefit from removal of leafless interior branches to open up structure and encourage new growth. Pruning is best done in dry season to prevent infection.
Sunset Zones
?
6*, 7*, 8*, 9*, 14, 15, 16, 17, 19*, 20, 21, 22, 23, 24
Site Characteristics
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Arroyo De La Cruz Blue Blossom
Ceanothus thyrsiflorus 'Arroyo De La Cruz'
Sources include:
Wikipedia
. All text shown in the "About" section of these pages is available under the
Creative Commons Attribution-ShareAlike License
. Plant observation data provided by the participants of the
California Consortia of Herbaria
, Sunset information provided by
Jepson Flora Project
. Propogation from seed information provided by the
Santa Barbara Botanical Garden
from "Seed Propagation of Native California Plants" by Dara E. Emery. Sources of plant photos include
CalPhotos
,
Wikimedia Commons
, and independent plant photographers who have agreed to share their images with Calscape. Other general sources of information include
Calflora
,
CNPS Manual of Vegetation Online
,
Jepson Flora Project
,
Las Pilitas
,
Theodore Payne
,
Tree of Life
,
The Xerces Society
, and information provided by CNPS volunteer editors, with special thanks to Don Rideout. Climate data used in creation of plant range maps is from
PRISM Climate Group, Oregon State University
, using 30 year (1981-2010) annual "normals" at an 800 meter spatial resolution.
Links:
Jepson eFlora Taxon Page
CalPhotos
Wikipedia
Calflora
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