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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
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 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!
On Mar 8, 2004, palmbob from Tarzana, CA (Zone 9b) 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.
This plant has been said to grow in the following regions:
, California Bostonia, California Las Flores, California Menifee, California Oak View, California Pasadena, California Poway, California San Diego, California San Leandro, California Elizabeth City, North Carolina San Antonio, Texas