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Cyathea cooperi
Cyathea cooperi

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Zones 15-25, 27, H1, H2
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Full, Partial
Regular Water

Cyathea cooperi

Australian Tree Fern
Ferns, Trees

Fastest growing of the fairly hardy tree ferns (to 20°F/-7°C, but with damage to fronds). To an eventual 20 ft. tall, 12 ft. wide. Starts out as a low, wide clump (can spread from 1 ft. to as much as 6 ft. in a year) before growing upward. Broad, bright green, finely cut fronds. Brownish hairs on leafstalks and leaf undersurfaces can irritate skin; wear long sleeves and neck cloth when grooming plants. Reasonably certain to survive in sheltered places along coast and in warm coastal valleys of California. Becoming a pest in Hawaiian rain forests. Often sold as Alsophila australisAlsophila cooperi, or Sphaeropteris cooperi.

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