Palm Trees – Washington Palm 

• Washington palm 

Botanical name: washingtonia filifera 

Beginner friendly?: yes

Average size at maturity: can reach over 70 ft in height with up to a 20 ft spread

Bloom time: summer 

Hardy zone: zones 8-11

Flower color: white 

Foliage color: green/gray 

Growth rate: grows 2-3 ft per year

Pruning instructions: remove fronds as they brown as needed, save all heavy pruning to maintain desired size and shape for the late winter/early spring 

Propagation methods: sowing 

Landscape use: focal point, shade tree, coastal planting

Light needs: at least 6 hours of sun per day 

Special features: fan shaped fronds, fast growing, drought tolerant, salt tolerant 

Watering instructions: requires deep watering sessions, allowing the first 1-2 inches of soil to dry out between watering sessions

Fertilizing instructions : use a slow release palm tree fertilizer once a year in the early spring 

Best time to plant: spring or fall

Best type of soil: loam/sand 

Companion plants: agave, yucca, caladium, aloe vera 

Toxicity level: non-toxic for humans and pets 

Invasive species: no