Chilopsis linearis, Desert Willow, makes a great small tree for hot arid climates. File:Chilopsis linearis flower 2.jpg Chilopsis linearisChilopsis linearis, Desert Willow, attracts hummingbirds.
Desert willow
Common Name Desert Willow, Desert Catalpa
Latin Name Chilopsis linearis
Family / Origin Bignoniaceae /
Sunset zones / USDA zones 10-13, 18-21, 29-30, 33 / 8-10
Type / Form Tree / Small to medium
Native Habitat Washes in the Mojave, Sonoran, Colorado, and Chihuahuan Deserts
Soil Dry to moist, decomposed granite, sand, clay loam, limestone, low to some organic content, well drained
Exposure Full sun
Water Once to twice per month depending on soil in hot weather
Height X Width 15 feet X 20 feet, usually 12 feet X 15 feet
Protective Mechanism None
Leaves Green, winter and drought deciduous, slow to leaf out in spring
Flowers Attractive, bell shaped, 1 inch long, white to pale lavender with purple and yellow streaks inside throat, appear in long clusters at the ends of twigs in late spring and summer.
Bark / Roots Gray-brown with lighter colored cracks and splits, later develops shallow furrows and becomes scaly. Twigs slender, initially green turning gray-brown, buds are very small.
Maintance Pruning may be desireable
Propagation Seeeds
Pests and Diseases None
Landscape uses Erosion control, rock garden, low maintenance, parkways, specimen
Garden Suitability Hummingbird, Songbird, Thornless, Sonoran, Butterfly, Ethnobotanical
Nature Value Flowers used by butterflies, hummingbirds, and bees, larval tree for white winged moth, seeds eaten by birds
Native American Uses Bow stays, medicinal.
Links  
    Article http://www.livingdesert.org/plants/desert_willow.asp
    Article http://www.fs.fed.us/database/feis/plants/shrub/chilin/all.html
    Article http://www.desertusa.com/magjan98/jan_pap/du_dwillow.html
    Images http://www.cas.vanderbilt.edu/bioimages/species/chli2.htm
    Images and data http://hort.ufl.edu/trees/CHILINA.pdf
    Images and data http://www.arborday.org/trees/treeguide/TreeDetail.cfm?ID=116
    Images and data http://www.naturesongs.com/vvplants/desertwillow.html
    Images and data http://www.desert-tropicals.com/Plants/Bignoniaceae/Chilopsis_linearis.html
    Images and data http://www.calflora.org/cgi-bin/species_query.cgi?where-calrecnum=9803
    Images and data http://www.wildflower.org/plants/result.php?id_plant=chli2
    Images and data http://davesgarden.com/guides/pf/go/265/
    Images and data http://en.wikipedia.org/wiki/Chilopsis
    Images and data www.pfaf.org/database/plants.php?Chilopsis+linearis
    Images and data http://www.fw.vt.edu/dendro/dendrology/Syllabus2/factsheet.cfm?ID=492
    Images and data http://www.utep.edu/leb/chih/gardens/plants/chilopli.htm
    Images and data http://www.californiagardens.com/plant_pages/chilopsis_linearis.htm
    Images and data http://ag.arizona.edu/pima/gardening/aridplants/Chilopsis_linearis.html
    Images and data http://www.fireflyforest.com/flowers/766/chilopsis-linearis-desert-willow/
    Images and data http://www.wnmu.edu/academic/nspages2/gilaflora/chilopsis_linearis.html
    Distribution map http://esp.cr.usgs.gov/data/atlas/little/chilline.pdf
    Nursery Oak Hills Nursery, 13874 Ranchero Road, Oak Hills, 92345, 760-947-6261
    Nursery, images, and data http://www.laspilitas.com/plants/195.htm
    Nursery, images, and data http://www.highcountrygardens.com/catalog/product/36350/
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