Yucca whipplei
Common Name Our Lord's Candle Yucca, Foothill Yucca
Latin Name Yucca whipplei
Family Agavaceae
Sunset zones / USDA zones 2-24 / 8-12
Type / Form Succulent / Medium
Native Habitat Chaparral 1,000 to 5,000 feet in southern California
Soil Dry, decomposed granite, sand, clay loam low in organic content, well drained
Exposure Full sun
Water Once per moth or none depending on soil
Height X Width Maximum 5 X 6 feet, usually 3 feet X 4 feet
Protective Mechanism Spines
Leaves Grey-green evergreen
Flowers White and purple flowers in spring
Bark / Roots NA /
Maintenance None
Propagation

Seed - sow spring in a greenhouse. Pre-soaking the seed for 24 hours in warm water may reduce the germination time. It usually germinates within 1 - 12 months if kept at a temperature of 20c. Prick out the seedlings into individual pots when they are large enough to handle and grow them on in the greenhouse or cold frame for at least their first two winters. Plant them out into their permanent positions in early summer and consider giving them some winter protection for at least their first winter outdoors - a simple pane of glass is usually sufficient. Seed is not produced in Britain unless the flowers are hand pollinated. Root cuttings in late winter or early spring. Lift in April/May and remove small buds from base of stem and rhizomes. Dip in dry wood ashes to stop any bleeding and plant in a sandy soil in pots in a greenhouse until established. Division of suckers in late spring. Larger divisions can be planted out direct into their permanent positions. We have found that it is best to pot up smaller divisions and grow them on in light shade in a greenhouse or cold frame until they are growing away well. Plant them out in the following spring.

Pests and diseases None
Landscape uses Erosion control, rock garden, low maintenance, foliage accent, background, specimen
Garden Suitability Songbird, Moonlight, Ethnobotanical
Ornamental Value Evergreen, white and purple flowers in spring
Nature Value Seeds eaten by many animals, larval plant for butterflies
Native American Uses Rope, sandals, cloth; flowers eaten as candy, stalk eaten raw or baked
Links  
    Images and data http://davesgarden.com/pf/go/63690/index.html
    Images and data http://www.desert-tropicals.com/Plants/Agavaceae/Yucca_whipplei.html
    Images and data http://www.calflora.net/bloomingplants/chaparralyucca.html
    Images and data http://en.wikipedia.org/wiki/Hesperoyucca_whipplei
    Images and data http://davesgarden.com/guides/pf/go/63690/
    Images and data http://www.smmtc.org/plantofthemonth/plant_of_the_month_200606_Yucca.htm
    Images and data http://waynesword.palomar.edu/ww0902a.htm
    Images and data http://www.yuccaagavaceae.com/ywhipplei.html
    Data http://www.pfaf.org/database/plants.php?Yucca+whipplei
    Data http://www.fs.fed.us/database/feis/plants/shrub/yucwhi/all.html
    Data http://ucjeps.berkeley.edu/cgi-bin/get_JM_treatment.pl?8349,8681,8685
    Data www.pfaf.org/database/plants.php?Yucca+whipplei
    Distribution map http://www.efloras.org/object_page.aspx?object_id=8823&flora_id=1
    Nursery, images, and data http://www.laspilitas.com/plants/1077.htm
    Nursery, images, and data http://www.cnplx.info/nplx/species?taxon=Yucca+whipplei
    Nursery, images, and data http://www.smgrowers.com/products/plants/plantdisplay.asp?plant_id=3053
    Nursery Oak Hills Nursery, 13874 Ranchero Road, Oak Hills, 92345, 760-947-6261
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