Sabal palmetto is an evergreen, flowering, large scale perennial fan palm with a relatively small, dense canopy. This is a tough plant. The palm does not develop a crown shaft. Grown a maximum of 10-12m tall with a 3.5-4.5m spread and a stem diameter of 30-45cm.
Noted as occasionally reaching 21-24m tall with a spread of 3.5-5.5m and a 45-60cm stem diameter in its native habitat. Generally, slow-growing although the growth rate can be significantly increased with regular watering and feeding. The average growth rate in between 30-60cm p/a.