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Euphorbia tirucalli /Pencil Cactus

Euphorbia tirucalli  / Euphorbia tirucalli
A group of pencil cacti in a greenhouse setting
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A group of pencil cacti in a greenhouse setting

Close-up image of the green fleshy stems

Up close stems

A relatively large specimen growing outdoors

A close view of stems

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Scientific Name: Euphorbia tirucalli
Common Name: Pencil Cactus
Plant Type: Evergreen
Leaf Type: Broadleaf
Hardiness Zone: 9, 10, 11 Determine Your Zone
Height: 20-30 feet
Spread: 5 - 10 feet
Bloom time: Spring, Summer, Fall, Winter
Flower color: Red
Light Exposure: Sun
Drainage: Well drained, Moist
Rate of Growth: Slow
Water Requirement: Medium
Maintenance Level: Low
Susceptible to insects
and diseases:
Landscape Categories: Tropical, Exotic, and Indoor Plants
Comments: Pencil cactus grows in semi-arid climates and needs all the light you can provide it. It may produce single or multiple trunks which support succulent, pencil thick branches with tiny leaves that shed early and easily. Pencil cactus ooze a milky sap when damaged or cut and contact with this sap may cause dermatitis in some people.