Agave utahensis var. nevadensis Engelm. ex Greenm. & Roush
Clark Mountain Agave, Nevada Agave
This species is native to the United States (Nevada and California). It occurs in desert scrub to conifer woodlands on calcareous outcrops in the montane Mojave Desert at elevations between 3,900 and 6,200 feet (1,200 and 1,900 m).
Agave utahensis var. nevadensis is a small ornamental succulent that forms rosettes of blue-green leaves with strong marginal teeth and a long brown to whitish terminal spine. It is one of the smallest species of the genus Agave. The rosettes grow up to 10 inches (25 cm) in diameter. Leaves are linear–lanceolate with a flat to slightly concave upper surface and a convex lower surface. They are up to 10 inches (25 cm) long and up to 1.2 inches (3 cm) wide. The terminal spine is up to 3.2 inches (8 cm) long. Flowers are yellow, urn-shaped, up to 1 inch (2.5 cm) long, and appear on an open to densely flowered inflorescence from late winter to early summer. The inflorescence is spicate, racemose, or narrowly paniculate, and up to 13 feet (4 m) tall. Fruits are pedicellate, oblong to ovoid, up to 1.2 inches (3 cm) long capsules with black seeds.
How to Grow and Care for Agave utahensis var. nevadensis
Light: Like all Agaves, this plant requires full sun to partial shade. If growing A. utahensis var. nevadensis indoors, choose a bright, sunny window with as much sun as possible. From spring to fall, it loves going outside.
Soil: A. utahensis var. nevadensis will tolerate most soils as long as they have good drainage, but its preference is sandy or rocky soil.
Temperature: During the growing season, it likes warm temperatures, while in winter, when resting, this succulent enjoys cooler temperatures. A. utahensis var. nevadensis can withstand temperatures as low as -10 °F (-23.3 °C). USDA Plant Hardiness Zones 6a to 9b, -10 to 30 °F (-23.3 to -1.1 °C).
Watering: From spring to fall, water thoroughly when the soil becomes dry. In winter, water sparingly about once a month. Plants in containers require more frequent watering than those in the ground.
Fertilizing: Give your A. utahensis var. nevadensis a small amount of fertilizer in the spring during the first two years. After that, established plants seem to take care of themselves.
Repotting: If you notice your A. utahensis var. nevadensis becoming pot-bound, repot it with fresh soil in a new pot that is just slightly larger than the old one. Give the plant a week or so to readjust before you water it again.
Propagation: Since it can take years to produce seeds, A. utahensis var. nevadensis is usually propagated by offsets. The best time to remove the offsets is in spring and summer. Sow the seeds in spring.
Learn more at How to Grow and Care for Agave.
Toxicity of Agave utahensis var. nevadensis
A. utahensis var. nevadensis is not toxic to humans, but it may be mildly poisonous to children and pets.
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