Edithcolea grandis N. E. Br.
Persian Carpet Flower
Edithcolea grandis is a succulent perennial with leafless and richly branched stems. The stems are sharp-toothed, 4 or 5 angled, grey-green to red with brownish spots, up to 12 inches (30 cm) long and up to 1.6 inch (4 cm) in diameter. The bisexual, hairy-margined flowers are pale yellow with red-brown spots, up to 5 inches (12.5 cm) in diameter and born at the ends of the shoots. The fruit contain a large number of seeds.
USDA hardiness zones 10b to 11b: from 35 °F (+1.7 °C) to 50 °F (+10 °C).
How to Grow and Care
Persian Carpet Flower is occasionally cultivated as an ornamental in desert gardens worldwide. It has gained a reputation as a particularly difficult plant to keep alive, because of its very specific growing needs with much light and relatively high, above 60 °F (15 °C), winter temperatures. It is very susceptible to root rot at low temperatures.
This plant requires moderately watering through the growing season, but enjoy plenty of water and some fertilizer in hot weather. This helps them to flower freely. Allow the soil to dry out before watering again. Water sparingly in winter according to temperatures.
Since roots are quite shallow, use a succulent mix or add extra perlite or pumice to regular potting soil. A gritty, very free-draining compost is suitable and clay pots help the plants to dry out between watering.
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