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Yellow Yucca, Hesperaloe parviflora.

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Yellow Yucca, Hesperaloe parviflora. Also called: Yellow Flowered Yucca, Yellow Flowered False Yucca. Arizona Wild Flowers. Pictures, Photos, Images, Descriptions, Information, Reviews. Mayo Clinic Hospital, Phoenix, Arizona.
Yellow Yucca, Hesperaloe parviflora.
Mayo Clinic Hospital, Phoenix, Arizona, May 06, 2007
Yellow Yucca, Hesperaloe parviflora. Also called: Yellow Flowered Yucca, Yellow Flowered False Yucca. Arizona Wild Flowers. Pictures, Photos, Images, Descriptions, Information, Reviews. Mayo Clinic Hospital, Phoenix, Arizona.Yellow Yucca, Hesperaloe parviflora. Also called: Yellow Flowered Yucca, Yellow Flowered False Yucca. Arizona Wild Flowers. Pictures, Photos, Images, Descriptions, Information, Reviews. Mayo Clinic Hospital, Phoenix, Arizona.
Yellow Yucca Flowers.Yellow Yucca Flower.

Yellow Yucca.
Hesperaloe parviflora, Agave Family: ( Agavaceae ), Yellow Yucca. Also called: Yellow Flowered Yucca, Yellow Flowered False Yucca.

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This is a very popular landscaping plant in arizona and it is considered a deciduous shrub. It is the yellow version of the red yucca. It needs full sun and good drainage. It is drought tolerant when established and very low maintenance.

It is not native to Arizona, but since it is so popular in Arizona landscaping, we are including it on the Arizona Wildflower Web Site.

It is a clumping evergreen perennial with long, gray-green leaves, up to 3 feet tall, with a flower stalk to 6 feet, the plant spreads to 6 feet wide

Hummingbirds are attracted to it.

From spring through fall, it produces six foot tall flower spikes. The Red-flowering variety has been a staple in southwestern landscapes for many years. This is simply a yellow-flowering selection. Use this tough accent plant in full sun. Since it also tolerates reflected heat, yellow yucca is a reliable plant to use along sidewalks, in parking lots, etc. Tolerant of temperature extremes, yellow yucca is cold-hardy to at least 0F. Once established, it requires little or no irrigation. Yellow yucca is one of the toughest and most maintenance-free plants.


Quick Notes:

Height: Evergreen bush or shrub slowly growing to about 4 feet tall and 6 feet wide.

Flowers: The flowers are bright yellow, tubular, to about 1 1/4" long.

Flowering Time: April - November.

Leaves: The leaves are long and narrow stiff 3' - 4' long x 1 " wide, gray green leaves, forming from a central base, arching up and out, with fibrous margins.

Found: According to the USDA it is native to the USA (TX). It is also found in Northern Mexico in northeastern Sonora, & northern Chihuahua.

Hardiness:
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)
USDA Zone 9a: to -6.6 C (20 F)
USDA Zone 9b: to -3.8 C (25 F)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Soil pH requirements:
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)

Sun Exposure:
Full Sun

Elevation: 0 - 6,000 Feet.

Habitat: On well drained, rocky sandy desert, and gravel slopes in the desert mesas and rocky foothills. Also used as a great xeriscape landscape plant! Found on the Sonoran Desert of western Arizona & northern Mexico. Will grow in southeastern California, & southern Nevada.

Miscellaneous: Flowering Photos Taken May 06, 2007. Mayo Clinic Hospital, Phoenix, Arizona. The Javelina or Peccary will eat these down to the roots! Fence your yard! In Arizona, they will grow in Flagstaff, which can get to -20 F.

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