Approximately 25 species of slow-growing cycads from dry, open and rocky slopes in Africa. Spiny stalks and hard, leathery, often spiny leaves. Cones are borne within the leaf rosettes. Striking accent plants.
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Size: Height: 0 ft. to 0 ft.
Width: 0 ft. to 0 ft.
Plant Category: palms and cycads,
Foliage Characteristics: coarse leaves,
Bloomtime Range: not applicable
USDA Hardiness Zone: 11 to 11
AHS Heat Zone: Not defined for this plant
Light Range: Dappled to Sun
pH Range: Not defined for this plant
Soil Range: Sand to Bark
Water Range: Dry to Normal
ProblemsFungi : Leaf Spots
Leaf spots are caused by fungi or bacteria. Brown or black spots and patches may be either ragged or circular, with a water soaked or yellow-edged appearance. Insects, rain, dirty garden tools, or even people can help its spread.
Prevention and Control: Remove infected leaves when the plant is dry. Leaves that collect around the base of the plant should be raked up and disposed of. Avoid overhead irrigation if possible; water should be directed at soil level. For fungal leaf spots, use a recommended fungicide according to label directions.
Pest : Scale Insects
Scales are insects, related to mealy bugs, that can be a problem on a wide variety of plants - indoor and outdoor. Young scales crawl until they find a good feeding site. The adult females then lose their legs and remain on a spot protected by its hard shell layer. They appear as bumps, often on the lower sides of leaves. They have piercing mouth parts that suck the sap out of plant tissue. Scales can weaken a plant leading to yellow foliage and leaf drop. They also produce a sweet substance called honeydew (coveted by ants) which can lead to an unattractive black surface fungal growth called sooty mold.
Prevention and Control: Once established they are hard to control. Isolate infested plants away from those that are not infested. Consult your local garden center professional or Cooperative Extension office in your county for a legal recommendation regarding their control. Encourage natural enemies such as parasitic wasps in the garden.