Dasylirion longissimum (Mexican Grass Tree)
Botanical Information
Family | Asparagaceae |
Genus | Dasylirion |
Species | longissimum |
Synonyms | Dasylirion longissimum var. longissimum |
Category | Tropicals |
Type | Shrub (evergreen) |
Origin | Native to the Chihuahuan Desert and other xeric habitats in Northeastern Mexico. |
Details
USDA Hardiness Zone | 8b to 10b |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | Requires cold season protection under glass. |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H4 - H2 |
RHS Hardiness Ref. | |
Temperature (°C) | (-9.4) - 4.4 |
Temperature (°F) | 15 - 40 |
Height | 2.5 |
Growth | Slow |
Description and Growing Information
General Description | A large succulent plant with glaucous-green, stiff, unarmed leaves, up to 1.8 m long. |
Landscape | Potted specimens, and their symmetrical form provides a striking focal point. |
Cultivation | Grow faster in a sunny, well-drained area with additional summer water in dry climates. |
Notable Specimens | Harry P. Leu Gardens, Orlando, Florida, United States of America. |
Leaf Description | Leaves radiate symmetrically out of a large woody trunk. |
Flower Description | A 2.7 m tall spike of small white flowers emerge from reddish buds. |