Photo by Melody

PlantFiles: Giant Spanish Dagger
Yucca treculeana var. canaliculata

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Family: Agavaceae (ah-gav-AY-see-ee) (Info)
Genus: Yucca (YUK-uh) (Info)
Species: treculeana var. canaliculata

One member has or wants this plant for trade.

Category:
Perennials
Shrubs
Trees
Tropicals and Tender Perennials
Cactus and Succulents

Height:
6-8 ft. (1.8-2.4 m)
8-10 ft. (2.4-3 m)
10-12 ft. (3-3.6 m)

Spacing:
10-12 ft. (3-3.6 m)
12-15 ft. (3.6-4.7 m)
15-20 ft. (4.7-6 m)

Hardiness:
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)
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:
White/Near White

Bloom Time:
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall

Foliage:
Grown for foliage
Evergreen
Blue-Green
Smooth-Textured
Succulent

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
This plant is fire-retardant

Soil pH requirements:
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)

Patent Information:
Non-patented

Propagation Methods:
By dividing the rootball
By dividing rhizomes, tubers, corms or bulbs (including offsets)

Seed Collecting:
Unknown - Tell us

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive BajaBlue On Sep 14, 2009, BajaBlue from Rancho Santa Rita, TX (Zone 8a) wrote:

Yucca treculeana var. canaliculata is quite distinct from typical Y. treculeana in its huge proportions. This giant is made up of stiff 5'
long glaucous green leaves (3.5' is typical) radiating out from the massive 1' thick trunk.

In the garden, 7-year old clumps are 10' tall x 11' wide. Mature plants are topped with massive globes of white that open to
reveal the white bell-shaped flowers.

Deer HATE the spiny plants but bees butteflies moths and hummingbirds love the flowers as a food source.

This giant form hails from the Rio Grande Valley region of south Texas & Tamaulipas in northeastern Mexico, where it forms monster-sized clumps along the Texas-Mexico border.

Regional...

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

,
Triel-sur-seine, Idaho
Edinburg, Texas (2 reports)
Elsa, Texas
La Joya, Texas
Mcallen, Texas
Mission, Texas
Salineno, Texas
San Perlita, Texas
Sullivan City, Texas



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