Hesperoyucca Species, Chaparral Yucca, Our Lord's Candle, Quixote Yucca

Hesperoyucca whipplei

Genus
Hesperoyucca (hes-per-oh-YUK-uh)
Species
whipplei (WHIP-lee-eye)
Synonym
Hesperoyucca peninsularis
Yucca californica
Yucca graminifolia
Yucca nitida
Yucca whipplei
Sun Exposure
Full Sun
Foliage
Grown for foliage
Evergreen
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)
Danger
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Pale Yellow
Bloom Time
Mid Spring
Late Spring/Early Summer
Other Details
Category
Cactus and Succulents
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Blue-Green
Where to Grow
Bloom Characteristics
Bloom Size
Other details
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
This plant is monocarpic
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Bostonia, California

Canoga Park, California

Malibu, California

Oak View, California

Pasadena, California

Poway, California

San Diego, California

San Leandro, California

Visalia, California

Elizabeth City, North Carolina

San Antonio, Texas

Ivins, Utah

Saint George, Utah

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Gardener's Notes:

3
positives
1
neutral
0
negative
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O
Oak View, CA | June 2011 | positive

Yucca grows very well in inland southern California. The blooms are very exciting to watch as the stem develops...grows taller...and tal...Read More

M
M
Benton, KY (Zone 7a) | February 2005 | positive

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

The shame is, the plants die a...Read More

P
Acton, CA (Zone 8b) | April 2004 | positive

Don't know much about this species- has sharpt, thin blades but not sure how tall it gets or cold hardiness. I know it lives in Baja Cal...Read More

P
Acton, CA (Zone 8b) | March 2004 | neutral

Local Yucca to Southern California and Baja. Has thin, flat, stiff leaves that end in nasty spine. Flowers huge and up to 15' above pla...Read More

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Featured
Polemonium Species
(Polemonium caeruleum)
Greenhouse White Fly
(Trialeurodes vaporariorum)
Monk Parakeet
(Myiopsitta monachus)