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PlantFiles: Our Lord's Candle, Chaparral Yucca, Quixote Yucca
Hesperoyucca whipplei

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Family: Agavaceae (ah-gav-AY-see-ee) (Info)
Genus: Hesperoyucca (hes-per-oh-YUK-uh) (Info)
Species: whipplei (WHIP-lee-eye) (Info)

Synonym:Yucca whipplei
Synonym:Yucca californica
Synonym:Yucca graminifolia
Synonym:Yucca peninsularis
Synonym:Yucca whipplei subsp. parishii

2 vendors have this plant for sale.

13 members have or want this plant for trade.

Category:
Cactus and Succulents

Height:
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)

Spacing:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)

Hardiness:
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)
USDA Zone 11: above 4.5 C (40 F)

Sun Exposure:
Full Sun

Danger:
Plant has spines or sharp edges; use extreme caution when handling

Bloom Color:
Pale Yellow

Bloom Time:
Mid Spring
Late Spring/Early Summer

Foliage:
Grown for foliage
Evergreen
Blue-Green

Other details:
Drought-tolerant; suitable for xeriscaping
This plant is monocarpic

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:
Non-patented

Propagation Methods:
From seed; direct sow outdoors in fall
Direct sow as soon as the ground can be worked
From seed; sow indoors before last frost
From seed; direct sow after last frost

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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There are a total of 67 photos.
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Profile:

2 positives
2 neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Neutral faeden On Jul 29, 2011, faeden from SF Bay Area, CA (Zone 9b) wrote:

Because there are so many synonyms for this plant, on behalf of the PlantFiles Administration I have listed all of them below, including the ones already stated. This information is per Eggli, Urs (Ed.), "Illustrated Handbook of Succulent Plants: Monocotyledons," Springer-Verlag, Berlin, 2001. p. 86, and the USDA Plants Database (http://plants.usda.gov/java/profile?symbol=HEWH).

Yucca californica
Yucca graminifolia
Yucca newberryi
Yucca peninsularis
Yucca whipplei
Yucca whipplei ssp. caespitosa
Yucca whipplei ssp. eremica
Yucca whipplei ssp. intermedia
Yucca whipplei ssp. newberryi
Yucca whipplei ssp. parishii
Yucca whipplei ssp. percursa
Yucca whipplei ssp. typica
Yucca whipplei var. caespitosa
Yucca whipplei var. intermedia
Yucca whipplei var. parishii
Yucca whipplei var. percursa

In addition to the above, the USDA Plants Database also lists the following two names as synonyms for Hesperoyucca whipplei:

Yucca nitida
Yucca whipplei var. graminifolia
Yucca whipplei var. whipplei

Positive Opoetree On Jun 4, 2011, Opoetree from Oak View, CA wrote:

Yucca grows very well in inland southern California. The blooms are very exciting to watch as the stem develops...grows taller...and taller...and taller! The coloring of the spike is breathtaking and the blooms are absolutely magnificent!

Positive melody On Feb 2, 2005, melody from Benton, KY (Zone 7a) wrote:

This is a very showy yucca, especially if seen in masses on a hillside while in full bloom.

The shame is, the plants die after flowering.

Most often found on stoney slopes in chaparral in Southern CA and in Baja CA.

Neutral palmbob On Mar 8, 2004, palmbob from Acton, CA (Zone 8b) wrote:

Local Yucca to Southern California and Baja. Has thin, flat, stiff leaves that end in nasty spine. Flowers huge and up to 15' above plant. Stemless Yucca. Kind of a messy looking plant sometimes, but if groomed (ouch!) can be a nice specimen.

Regional...

This plant has been said to grow in the following regions:

Bostonia, California
Canoga Park, California
Malibu, California
Menifee, California
Oak View, California
Pasadena, California
Poway, California
San Diego, California
San Leandro, California
Visalia, California
Elizabeth City, North Carolina
San Antonio, Texas



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