Dasylirion longissimum

Toothless Sotol, Mexican Grass Tree

(3 customer reviews)

From: £566.95

Dasylirion longissimum is a succulent plant related to Yucca and Agave that slowly grows a thick, beautifully scarred trunk from which erupts a tufted head of narrow, rigid, 4-angled green leaves, each with a slightly withered tip, reminiscent of a fibre-optic lamp.


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Origin: Northern Mexico
Genus: Dasylirion
Species / Cultivar: longissimum
Common Name: Toothless Sotol, Mexican Grass Tree

Plant Biography

Dasylirion longissimum is native to the Northern Mexico Chihuahuan Desert and Southwestern of United States. Dasylirion longissimum are dioecious, so the plants are separated in male and femaile plants. The female plant bears decorative reddish seeds after flowering.

The plant’s name has been the subject of long debates and it was considered identical to Dasylirion quadrangulatum, but now the two are considered to be two different species, inhabiting two different areas of Mexico. Even today, the two names are used interchangeably by some growers as the only way to differentiate them is by flowers, which are not emerging that often in colder climate gardens.

Dasylirion longissimum
Soil: Well drained
Soil that does not show much signs of moisture, either visibly or when handled.
Temperature: -9 to 45°C
Temperature range at which this plant is healthiest and grows best.
Growth Rate: Slow
This plant is particularly slow to grow, even during growing season.
Final Size: Small
Will stay small enough for a desk or shelf.
Water Requirement: Low
Will grow in a drier position and is unlikely to need regular watering once established.
Maintenance: Low
Minimal skill or input needed beyond the basics, a very independent plant.
Situation: Full Sun to Part Shade
Enjoys direct sun most of the day, but tolerant of fewer sunlit hours or light dappling.
Eventual Height: 1.2 - 1.8m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 1.2 - 1.8m
The plant's ultimate spread in typical growing conditions.
Hardiness: Half Hardy
Will need protection from frosts in order to survive winter, eg. with fleece jacket.
Habit: Evergreen
Always in leaf throughout the year. It won't lose all its leaves at any one time.
Lifecycle: Perennial
This plant is persistant and does not die off after flowering. It will return each season indefinitely, if provided with suitable growing conditions.
Care & Size Guidance

Care & Size Guidance

The Toothless Sotol seems quite adaptable, having sailed though the last two winters in many gardens outside in the UK, and is the perfect companion for yucca and agave in milder gardens. It is equally happy given pot culture and moved somewhere dry and frost-free for winter.

The Dasylirion longissimum is cold hardy down to -9 degrees for short periods of time, provided the plant is kept dry. Cover with a horticultural fleece when frost is forecasted. The plant should be kept in a dry unheated conservatory over if the cold periods are extended.

Small plants (usually with no trunk developed) are usually reasonably priced, however due the slow growth rate, more mature plants become expensive really fast.

Arrived well packaged and exactly as described.

David Perry

Arrived well packaged and exactly as described.

3 customer reviews for Dasylirion longissimum

Extremely pleased with the telephone service and email responses. This led me to my first purchase, an Dasylirion Longissimum. The plant is amazing.
Thank you.

Ilija (verified owner)

Arrived well packaged and exactly as described.

David Perry

I have bought from Palm Centre before and just like on this occasion plants have always arrived well packaged and on time. First class service and plants. I just need a large specimen Dasylirion Longissimum now please !

Rick Burrows