Cycas debaoensis
 
Common Names Debao Cycad, Chinese Fern Cycad
 
Zones 10A–11
 
Cycas debaoensis is a rare, critically endangered cycad endemic to Guangxi Province, China. Distinguished by its tripinnate, finely divided leaflets and fountain-like crown, this species offers a delicate, fern-like texture uncommon among cycads. It thrives in warm, humid environments and is highly valued in conservation collections and shaded tropical landscapes.
 
Key Features
Growth Habit: Upright to arching; slow growth rate
Height: Leaf crown up to 8 ft wide; trunk to 2 ft tall
Trunk: Cylindrical; woody, often partially subterranean
Leaves: Tripinnate; finely dissected leaflets with recurved tips; soft, feathery texture
Petiole: Armed near base; covered in fine hairs
Inflorescence: Dioecious; male cones cylindrical, female cones loose and branched
Fruit: Seeds green to brown; 3–4 cm across; not edible
Ecology: Native to limestone cliffs and foggy mountain ledges; critically endangered due to habitat loss and limited range2
 
Growing Conditions
Light: Filtered shade to dappled sun; avoid harsh direct exposure
Watering: Keep evenly moist; prefers high humidity
Soil: Sharp-draining mix with organic matter; neutral to slightly acidic pH
Temperature: 65–85°F (18–29°C); protect from frost
Humidity: High; misting or greenhouse conditions recommended
Propagation: By seed; slow germination and juvenile development
Tolerance: Sensitive to drought and cold; requires stable, humid conditions
 
Landscape Use Ideal for shaded cycad gardens, tropical understory compositions, and conservation-focused installations. Pairs well with Ceratozamia hildae, Chamaedorea radicalis, and Calathea warscewiczii for layered canopy and texture.