Euphorbia trigona 'Rubra'
African Milk Tree, Good Luck Plant
Euphorbia trigona f. rubra, Euphorbia trigona 'Royal Red'
Euphorbia trigona 'Rubra', also known as Euphorbia trigona 'Royal Red', is an attractive cultivar of Euphorbia trigona with stems and leaves flushed red to magenta. The leaves are often rich magenta-red and the stems greener, for a lovely bi-colored look.
USDA hardiness zones 10a to 11b: from 30 °F (−1.1 °C) to 50 °F (+10 °C).
How to Grow and Care
Euphorbias are very easy to care for. These plants require a little pampering to become established, but once they are, they are self-sufficient. In fact, more die from too much care and watering than from neglect. Euphorbias need well-draining soil and lots of sunlight. They are not particular about soil pH, but they cannot tolerant wet soil. Unlike most succulents, Euphorbia does not handle long periods of drought well. It may need weekly watering during the summer. Water whenever the soil is dry several inches below the surface. Water deeply, but don't let them sit in wet soil, which can cause root rot. Add some organic matter or fertilizer to the planting hole. If you are growing them in containers or your soil is poor, feed with a half-strength fertilizer monthly.
These succulents can be grown from seed, but they can be difficult to germinate (or even find). They are usually propagated by cuttings. This can be tricky, because of the exuding sap. Rooting hormone is recommended with Euphorbias. They tend to grow problem-free, but there are a few pests and diseases to be alert for.
Learn more at How to Grow and Care for Euphorbia.
Euphorbia trigona 'Rubra' is a cultivar of Euphorbia trigona.
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