Arum palaestinum Boiss.
Black Calla Lily, Black Calla, Solomon's Lily, Palestine Arum, Black Arum, Priest's Hood, Noo'ah Loof, Kardi
Arum magdalenae, Arum sanctum, Richardia sancta
Color: Dark purplish-black
Bloom Time: Spring
Arum palaestinum is a flowering, herbaceous, perennial plant up to 10 inches (25 cm) tall. During the fall, dark green, trowel-shaped foliage emerges from the tuber to form a nice clump of foliage that remains up during the winter. It blooms in the spring, by which time the plant is easily recognized by its dark purplish-black spadix enclosed by a reddish-brown spathe.
USDA hardiness zone 7a to 9b: from 0 °F (−17.8 °C) to 30 °F (−1.1 °C).
How to Grow and Care
Arums are quite easy to grow. The shade/part shade species need a moist but free draining soil. Their biggest threat comes from drought. However most species are sun lovers and are grown on what is known as a "Mediterranean Cycle", that is a warm and dry summer and a cool and wet winter. The most important thing with this latter group is drainage. Drainage should be very sharp as they will not tolerate sitting in water at all.
Feeding is a good idea with Arums, especially if they are in pots. Feed with a high nitrogen liquid feed once a fortnight. This will feed the leaves which in turn will feed the tuber/rhizome.
When potting up tuberous aroids, use a pot three times the diameter of the tuber… – See more at: How to Grow and Care for Arums
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