Washingtonia robusta

Mexican Fan Palm

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Taxonomy

Common Names

Mexican Fan PalmSkyduster

Context

nativeRegion

Baja California and Sonora, Mexico.

usdaZones

9-11

companionPlants

Bougainvillea, Agave, Bird of Paradise (Strelitzia reginae)

culturalUses

Widely used as an ornamental street and landscape palm in subtropical and warm temperate regions.

Care

LightFull sun is ideal for optimal growth.

WateringModerate; water deeply but allow soil to dry slightly between waterings.

SoilWell-draining sandy or loamy soils; tolerates some clay.

FertilizerFeed with a balanced slow-release fertilizer in spring and summer.

HumidityPrefers moderate humidity but is tolerant of dry conditions.

TemperatureHardy in warm climates; tolerates temperatures down to about 20°F (-6°C).

HabitFast-growing, single-trunked palm tree with a tall, slender stature.

Mature SizeUp to 80-100 ft (24-30 m) tall, with a 5-10 ft (1.5-3 m) canopy spread.

Growth RateRapid growth, especially in warm climates with sufficient water.

BloomingProduces small white flowers in large inflorescences in late spring to early summer.

DormancyNo true dormancy, but growth slows in cooler months.

MethodsSeed

DifficultyEasy

Best SeasonSpring or early summer, when soil temperatures are warm.

PruningRemove dead or damaged fronds at the base; avoid over-pruning green fronds.

RepottingRarely necessary when grown outdoors; young container plants may be repotted annually.

Pests & DiseasesGenerally resistant but susceptible to palm weevils, scale insects, and fungal diseases.

ToxicityNon-toxic to pets and humans.

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