Categories: Caudex Plants, Xeric Plants. Bloom Season: Early Summer through Late Summer. USDA hardiness zone 8b to 10b: from 15 °F (−9.4 °C) to 40 °F (+4.4 °C). These truly striking plants are native to the southern United States and Mexico, closely resembling both Yucca s and Agave s. They are found in very arid lands, along dry washes and on rocky … Dasylirion longissimum | plant lust. Any given mature plant of D. longissimum does not flower every year, but on years when this occurs a stalk emerges to one side of the growing tip in summer (typically in July at the Ruth Bancroft Garden), and it rises up well above the tips of the leaves. Whitish-yellow flowers grow in narrow clusters. The Ruth Bancroft Gardenis a preservation project ofThe Garden Conservancy. Dasylirion longissimum, female plant in fruit, A similar species, Dasylirion quadrangulatum, Privacy PolicyTerms and ConditionsReturn PolicyCookie Policy. In any case, Dasylirion is clearly related to Nolina, Beaucarnea and Calibanus, and all four of these genera have some features in common: they all come from North America to Central America, are dioecious (having separate male and female plants), have long narrow leaves, and have round seeds which are either tan or brown. They are stiff enough to radiate out in all directions, rather than drooping, but still have enough flexibility to dance and quiver when stirred by the wind, and this is one of their delightful … Dasylirion longissimum is a large, succulent plant with glaucous-green, stiff, unarmed, up to 6 feet (1.8 m) long, grass-like leaves. (925) 944-9352 Office Plant Type: Shrub. Mexican Grass Tree (Dasylirion longissimum) - Garden.org New and Unread Tree-Mails Walnut Creek, CA 94598 Botanical name: Dasylirion quadrangulatum (syn. Their long, narrow leavesranging in color from dark green to blue-green to silverycan be upright or drooping. The rosette sits on a very short and stocky stem felted with old leaves. Smooth Desert Spoon, Smooth Sotol. The rosette sits on a stout short trunk. Plant in full sun to light shade. Desert Spoon (Dasylirion wheeleri) is the variety described in this guide. Genus: Dasylirion. Synonyms: Dasylirion quadrangulatum, still foliage will grow to 4-6 feet in length. The leaves radiate symmetrically out of a large woody trunk that can slowly but eventually grow up to 15 feet (4.5 m) tall. There are two species which differ from the others in having very narrow needle-like leaves, and these are frequently confused in nurseries and in gardens. Flower stalks take a number of years to form (from juvenile stage) and can reach up to 15 feet tall. no. 20% Off! Fine Gardening. Long stiff but narrow leaves radiate from the center in geometric precision. Unarmed, olive-green, grass-like foliage flows from the center of this perfectly symmetrical, evergreen tree. Plant Highlights By Date Plant Highlights Alphabetically. In gardens, D. longissimum is more frequently encountered. © The Ruth Bancroft Garden, Inc. Flower Color: White, Yellow. The plant does not die after blooming. Dasylirion longissimum Live Plants With Good Root - (You Will Receive 1 nice Plant(s) in a 3 Gal Pot - 2 Feet Tall ) Dasylirion longissimum, common name is Mexican Grasss. In late summer, it produces a tall flower spike up to 10 feet tall covered with cream colored flowers. This magnificent deer-resistant specimen (6' tall x 6' wide in 10 years) forms a fountain of thin clothesline-like arching leaves to 3'...looking sort of like a car antenna after getting caught in a cheap carwash. DASYLIRION longissimum. Large plant native to northeastern Mexico with glaucous-green stiff unarmed grass-like 6 foot long leaves. These make great specimen plants for xeriscape gardens and blend well in either tropical or arid gardens. Best where winter temperatures stay above 50°F (10°C), but can take some periods of frost. In the garden they should be placed in a sunny, well-drained area with additional summer water in dry climates. Family Asparagaceae . In the summer, a 9 foot (2.7 m) tall spike of small white flowers emerge from reddish buds. Description The Mexican grass tree is the largest growing species of Dasylirion in cultivation. Great candidate for xeriscaping. Fine Gardening. The leaves of Dasylirion longissimum are thin (1/4″) and long (4-6′), quadrangular in cross section, and arranged in a rosette. Despite these floral differences, the two species look vegetatively alike, and this is no doubt the reason they are sometimes listed as synonyms. All rights reserved. As the flowers are pollinated, many small capsules form, and these develop a dark rust-red color. The male flower stalk is cream-colored, gradually drying to tan as the flowers go by, but the female stalk is more colorful and remains so for months. Dasylirion acrotrichum (green sotol) is a 'green-leaf' species of sotol which gives a slightly different accent effect. ; Smooth Sotol (Dasylirion leiophyllum) produces clusters of small white flowers on the upper third of the sturdy, 5- to 20- foot tall bloom stalk.It is also hardy in USDA Zones 8-10. This succulent is a stemless xerophyte that sports a swollen base. It is a natural specimen and focal accent plant due to its very long and cylindrical foliage and tall flowers spikes. Each one has a single seed within, tan in color and about the size of a peppercorn. Dasylirion longissimum (Mexican Grass Tree) – A large evergreen trunk-forming shrub with fairly rigid 4 to 6 foot long glaucous-green grass-like long leaves. Suzie Yalda, who lives in Agoura Hills, sent a picture of a Mexican grass tree (Dasylirion longissimum), also displaying a remarkable flower stalk, if not as tall and as rapidly growing as an agave’s. Family: Asparagaceae This is an annual bloomer that sends up a very tall spike of flowers from its center topped with loads of small flowers that cover up to a third of its length. Genus Dasylirion are dioecious evergreen shrubs or trees with thick stems bearing terminal rosettes of narrow, spiny-edged leaves; tiny star-shaped flowers are borne in long panicles in summer, on mature plants The leaves move Plant in very fast draining soil and provide little or no water in winter. There are large papery bracts on the stalk, and emerging from between these on the upper part of the stalk are small finger-like clusters of tiny flowers. The capsules are thin-walled and have 3 wing-like projections. An almost ferocious looking plant, sotol is drought tolerant and a wild desert treasure. They may eventually form a trunk, but this takes many years. Dasylirion longissimum is a large, succulent plant with glaucous-green, stiff, unarmed, up to 6 feet (1.8 m) long, grass-like leaves. They thrive best in full sun, but can be grown with some shade and humidity. Dasylirions are slow growing, carefree and durable, drought tolerant plant. Most Dasylirions are rather resistant to cold and drought. Full sun. Although a plant of D. longissimum remains trunkless (or nearly so) for many years, eventually it does grow taller. The stem slowly forms a stocky trunk that may reach 10 feet or higher, bearing the bushy crown of 6-foot, 4-sided leaves. The leaves radiate symmetrically out of a large woody trunk that can slowly but eventually grow to 6 -15 feet tall. Our tallest plant at the Ruth Bancroft Garden has developed a trunk of a little less than 5 feet (1.5 m), but this is only after more than 45 years in the ground. Home / Shop / Plants / Spikey & Drought Tolerant / Dasylirion longissimum. Dasylirion is a small genus of 18 semi-succulent species. The bloom looks a lot like a giant torch or poker. When the two species come into flower, they can be distinguished by the form of the flower spike: in D. longissimum, the flowering section of the stalk is spindle-shaped (wider at the middle and narrowing toward either end), while in D. quadrangulatum it is more compact and shaped like a taper candle (widest at the bottom and narrowing as it goes upward). The plant’s flowers are born on tall stalks about 10 to 15 feet above the plant, with the top one quarter to one … These make excellent potted specimens, and their symmetrical form provides a striking focal point. The foliage rosette sits atop a woody base that can, with age, form a treelike trunk. The Ruth Bancroft Garden is a non-profit501(c)(3) tax-exempt organization.Tax ID is 68-0310041. Flower, Habit Photo. The leaves radiate symmetrically out of a large woody trunk that can slowly but eventually grow up to 15 feet (4.5 m) tall. Prefers well drained soils of moderate fertility and limited moisture. While both D. longissimum and D. quadrangulatum come from Mexico, D. longissimum comes from about 200 miles farther south, in the states of Hidalgo and Queretaro, while D. quadrangulatum has a more northerly occurrence in Tamaulipas, southern Nuevo Leon and northern San Luis Potosi. Click here for garden & nursery hours. There are no related plants for species Dasylirion longissimum. Dasylirion acrotrichum (Green Desert Spoon) is a very ornamental evergreen succulent boasting a perfectly rounded rosette packed with up to 100-300 long, slender, ribbonlike, lime green leaves with feathery, tufted ends. Slow growing and drought tolerant, it will grow slightly faster with additional water but avoid watering from above to prevent rotting the crown. Copyright © 2013-2020 World of Succulents. Spread 5' Full sun Very drought tolerant Eventually blooms creamy white flowers in early summer May eventually reach 10' tall Smooth-edged green leaves It is an extremely graceful and very symmetric plant forming a shimmering orb of fine grassy leaves that tremble beautifully in the slightest breeze. Dasylirion quadrangulatum (Mexican grass tree) has stiff, narrow green leaves with smooth margins, more fine textured and wide spreading than others. Sotol Plant Varieties . Native to the Chihuahuan Desert and other xeric habitats in Northeastern Mexico. Dasylirion longissimum, Mexican Grass Tree, flower, honey bees, full bloom. As plants mature, they slowly form a trunk to 10 feet tall, and are crowned with a 6 to 8 foot rosette of narrow green leaves. In summer they produce a huge flower spike up to 4m high covered in creamy white flowers… International Dendrology Society. Plant Common Name. Give it room it grows to 8-10' … (2015) p 78 Parts Shown: Habit Photo. The dark green-gray leaves are slender and ador… The leaves of Dasylirion longissimum look like giant needles, with a length of up to 6½ feet (2 m), but they are actually square (or at least 4-sided) in cross-section. A stout trunk can develop over many years and eventually reach 8-10 ft. in height; some specimens will develop branched trunks. Synonyms: Dasylirion juncifolium Rehnelt 161. On mature plants white flowers will emerge from reddish buds on a nine foot tall spike. Attributes - Dasylirion longissimum. Plants in containers can be moved inside during longer cold spells… – See more at: How to Grow and Care for Dasylirion. Plant database entry for Mexican Grass Tree (Dasylirion longissimum) with 14 images and 13 data details. Dasylirion wheeleri (Desert Spoon) is a very ornamental evergreen succulent boasting a perfectly symmetrical rosette packed with hundreds of long, narrow, silvery blue-green leaves tipped with white fibers. 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