Coccothrinax borhidiana
 
Common Names Borhidis Guano Palm, Cuban Silver Palm
 
Zones 10B–11
 
A critically rare fan palm native to a small coastal area of northern Cuba, Coccothrinax borhidiana is revered for its dense crown of rigid, circular leaves with silvery undersides and its slender trunk wrapped in undulating fibers. Often considered the most visually striking species in the genus, it is highly sought after by collectors and conservationists alike.
 
Key Features
Growth Habit: Solitary; very slow-growing
Height: 6–15 ft (1.8–4.5 m) in cultivation; up to 23 ft (7 m) in habitat
Trunk: Slender; 3–8 in (8–20 cm) diameter; covered in thick, fibrous “cloth” from persistent leaf bases
Leaves: Palmate; circular, rigid, thick, and leathery; dark green above, silver beneath; held on short petioles
Inflorescence: Monoecious; small yellow flowers; emerges below the crown
Fruit: Small, round, purple-black; not edible; wildlife-friendly
Ecology: Endemic to raised limestone beaches near La Habana, Cuba; grows in stunted coastal vegetation1
 
Growing Conditions
Light: Full sun
Watering: Fair to moderate; prefers consistent moisture but tolerates dry spells
Soil: Well-drained limestone or sandy substrate
Temperature: Hardy to 30°F (–1°C); thrives in warm, dry climates
Humidity: Moderate; tolerates maritime exposure
Propagation: By seed; germination in 2–3 months; low germination rate (32–44%)
Tolerance: High drought and salt wind tolerance; sensitive to root disturbance
 
Landscape Use Ideal for collectors, coastal gardens, and conservation-focused designs. Best used as a specimen palm in minimalist or Caribbean-themed landscapes. Pairs well with Thrinax morrisii, Leucothrinax morrisii, and Coccothrinax argentata.