SUBTROPICAL SURVIVABILITY INDEX

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SUBTROPICAL SURVIVABILTY INDEX ZONE #1 - HARDY PALMS

SSI #1A: The Windmill Zone

  • Rhapidophyllum hystrix - Trachycarpus fortunei

SSI #1B: The Butia Zone

  • Trachycarpus fortunei - Butia odorata

SUBTROPICAL SURVIVABILTY INDEX ZONE #2 - SEMI-HARDY PALMS

SSI #2A: The Canary Zone

  • Butia odorata - Phoenix canariensis

SSI #2B: The Queen Zone

  • Phoenix canariensis - Syagrus romanzoffiana

SUBTROPICAL SURVIVABILTY INDEX ZONE #3 - TEMPERATE PALMS

SSI #3A: The Bismark Zone

Syagrus romanzoffiana - Bismarkia nobilis

SSI #3B: The King Zone

Bismarkia nobilis - Archontophoenix cunninghamiana

SUBTROPICAL SURVIVABILTY INDEX ZONE #4 - SUB-TROPICAL PALMS

SSI #4A: The Royal Zone

Archontophoenix cunninghamiana - Roystonea regia

SSI #4B: The Manila Zone

Roystonea regia - Adonidia merrillii

SUBTROPICAL SURVIVABILTY INDEX ZONE #5 - TROPICAL PALMS

SSI #5A: The Coco Zone

Adonidia merrillii - Cocos nucifera

SSI #5B: The Lipstick Zone

Cocos nucifera - Cyrtostachys renda