How tall do Washingtonia robusta palms grow?

70 to 100 feet
The Mexican fan palm is a fast-growing species that can reach heights of 70 to 100 feet, making it too tall for typical residential landscapes. It is native to northern Mexico but grows well in Florida, being hardy down to about 20°F or USDA hardiness zone 9A.

How fast does a Washingtonia palm grow?

2 to 4 feet per year
There is a reason the Mexican fan palm’s Latin name is Washingtonia robusta. It is determined to robustly dominate the world. These bird dung-disseminated, easy-to-naturalize trees will rapidly grow at the rate of 2 to 4 feet per year to an eventual height of more than 120 feet.

How do I care for my Washingtonia robusta?

Watering and Feeding But, once established the palm is drought tolerant. Water the plant moderately in all seasons, except winter – keep it almost dry in the cold weather. Feed the plant with a controlled-release fertilizer every other month, during the growth phase.

Is Washingtonia robusta invasive?

Washingtonia robusta (Mexican fan palm) is a single-trunked palm tree (family Arecaceae) found in the San Francisco Bay area, southern Sacramento Valley and on California’s south coast. Mexican fan palm is a common landscape ornamental that has become invasive in riparian areas, orchards and landscaped areas.

Is Washingtonia palm Hardy?

Easy to grow and exotic-looking, Washingtonia robusta is fairly hardy, but may experience significant frond damage if temperatures dip to 20°F (-6°C). It has a high tolerance for salt and is a good choice for planting near coastlines. It also is very wind resistant.

How deep are Mexican palm roots?

36 inches
Palm trees have ‘fibrous root system. ‘ The roots of the Palm are not deeply rooted in the soil. They are spread over the soil like a mat and penetrate nearly 36 inches of topsoil.

How long does a Washingtonia palm live?

Field research conducted on W. robusta in its native habitat on the Baja California peninsula concluded that its potential longevity may exceed 500 years.

Do Washingtonia palms have thorns?

The petioles of Washingtonia robusta are armed with rows of formidable hooked spines, making pruning a more difficult job.

How long do Washingtonia palm trees live?

What is the difference between Washingtonia filifera and robusta?

Washingtonia robusta, but that species has a tapered stem, roughly twice as wide at the base as the apex, and bright green leaves forming a dense crown, rather than the columnar stemmed W. filifera, with grayish-green leaves and long petioles forming an open crown.

What happens if you cut off the top of a palm tree?

Palm trees do not start branching or budding out after the top is cut off, they just die. If the top is cut off your palm you will have a pole like barren trunk that just slowly rots.