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Chalk succulent
Chalk Fingers
Century Plant, Maguey
Mexican Palo Verde, Jerusalem Thorn
Chalk Fingers

Common name:Chalk Fingers
Botanical name:Cotyledon orbiculata var. oblonga

This striking succulent spreads slowly to form a dense carpet of silvery-gray finger-like foliage. The upright sturdy flower stems rise boldly 15-18" above the foliage. Clusters of bell-shaped salmon flowers dangle from the tip of the stem like an outrageously over-the-top candelabra! The plant branches from ground level, forming large clumps. The leaves are silvery-white to pale grey-green. With its spiky shaped leaves and silver-green colour, this cotyledon lends its texture, shape and color to many garden situations.

Century Plant, Maguey

Common name:Century Plant, Maguey
Botanical name:Agave americana

This plant is fast growing to about 6'-10' tall and 8'-13' wide. Wide gray leaves have stiff terminal spines and recurved teeth on margins. It prefers full sun and well-drained situations. After blooming, which could take several years, it will die but will send up new pups from around the base. Some people are allergic to the sap. Removal is difficult if unwanted.

Mexican Palo Verde, Jerusalem Thorn

Common name:Mexican Palo Verde, Jerusalem Thorn
Botanical name:Parkinsonia aculeata

Light, airy tree with prickly stems and green bark. Very fast growing with sparse foliage & very long narrow leaves. Yellow flowers with orange red throats spring for at least a month. This is a messy and shortlived palo verdy. Usually found on limestone soils in areas with moisture but is strongly drought tolerant. Withstands saline conditions. Can be cold or drought deciduous.

Designer: Linda McSwain (retired)

Chalk succulent
Image: 3 of 20

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Soils and Compost:

Physical weed control, including mulching, or hand removal protects the watershed from harmful chemicals.

Water-Saving Tip:

Fix leaking sprinklers, valves, and pipes.

One broken spray sprinkler can waste 10 gallons per minute - or 100 gallons in a typical 10 minute watering cycle.

Integrated Pest Management:

Drip and other smart irrigation delivers water directly to roots, allowing no excess water for weeds.