Echeveria unguiculata Kimnach
This species is native to Mexico (Tamaulipas and San Luis Potosí).
Echeveria unguiculata is a small succulent that forms a short-stemmed, usually solitary rosette of narrow, purplish-grey leaves with a thin whitish bloom and a small, sharp, red or black tip. The stem is brownish, about 2 inches (5 cm) tall, and 0.6 inches (1.5 cm) in diameter. The rosette grows up to 4 inches (10 cm) in diameter. Leaves are thick, fleshy, and lance-shaped, the younger ones curving upward, up to 2.2 inches (5.5 cm) long, and 0.6 inches (1.5 cm) wide.
Flowers have light salmon-pink petals and sepals, the same colors as leaves, at right angles to the corolla. They are subcylindrical, up to 0.7 inches (1.7 cm) long, up to 0.35 inches (0.9 cm) in diameter, and appear on unbranched, arching, up to 20 inches (50 cm) long stalks.
USDA hardiness zones 9b to 11b: from 25 °F (−3.9 °C) to 50 °F (+10 °C).
How to Grow and Care
Echeverias make ideal potted plants but will also thrive in the ground. They need soil that drains quickly. This helps prevent moisture from rotting the roots. Many growers will create their own potting mix. However, commercial cactus and succulent potting soil will work fine.
These succulents prefer full sun. However, try to avoid these two things: drastic sunlight changes and full summer afternoon sun. Dramatic changes in lighting can stress plants out. If you move your Echeverias outside in the spring, do it gradually. The intense afternoon sun can cause sunburn. During the winter, when your succulents are inside, put them near the brightest window in your house. They will stretch if they do not have enough sunlight.
Echeverias are tender succulents. Many will tolerate several degrees below freezing, but growing them in the ground is not recommended if they are subjected to harsh conditions. You can keep them healthy during the cold months by moving them indoors. Then, once the threat of frost has passed, move them back outside in the spring.
Learn more at How to Grow and Care for Echeveria.
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