OmniGrow

King palm

SpeciesArchontophoenix alexandrae

Also called Alexandra palm, northern bangalow palm, feather palm

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King palm
Photo: Forest & Kim Starr · CC BY-SA 3.0 · Wikimedia Commons

Fact sheet

every fact quoted from its source
Germination temperature77–86 °F

from Archontophoenix · “Ideal Temperature25°C - 30°C” — Archontophoenix Maxima: Care, Cold Hardiness & Germination Guide | PalmsHub

Lightpartial to full sun

from Archontophoenix · “Choose a spot that receives partial to full sunlight” — Archontophoenix Guide: Growing and Caring for the Palm - Bloomvara

WaterModerate to high, depending on growth stage

“Water Requirements: Moderate to high, depending on growth stage” — King Palm Tree Care and Growing Guide (Most Detailed)

Soil pH6–7.5

“slightly acidic to neutral pH (6.0-7.5)” — King Palm Tree Care and Growing Guide (Most Detailed)

Hardiness zones9b (25-30°F) to 11 (above 40°F)

“Suitable for USDA Zones 9b (25-30°F) to 11 (above 40°F)” — King Palm Tree Care and Growing Guide (Most Detailed)

Spacing1 in

from Archontophoenix · “plant them about 1 inch deep in moist soil” — Archontophoenix Guide: Growing and Caring for the Palm - Bloomvara

PropagationBy seeds

“Propagation: By seeds, with germination in 2-3 months” — King Palm Tree Care and Growing Guide (Most Detailed)

Transplantwhen the palm outgrows its container or outdoor space

from Archontophoenix · “When the palm outgrows its container or outdoor space” — Archontophoenix Guide: Growing and Caring for the Palm - Bloomvara

Indoorsbright, indirect sunlight, proper watering, and humidity

from Archontophoenix · “Yes, it adapts well to indoor environments if provided with bright, indirect sunlight” — Archontophoenix Guide: Growing and Caring for the Palm - Bloomvara

Pestsscale, mealybugs, spider mites

from Archontophoenix · “Watch for signs of pests like scale or mealybugs” — Archontophoenix Guide: Growing and Caring for the Palm - Bloomvara

Diseasesganoderma zonatum (butt rot), colletotrichum spp. (anthracnose)

from Archontophoenix · “Ganoderma zonatum (Butt Rot)LETHAL” — Archontophoenix Maxima: Care, Cold Hardiness & Germination Guide | PalmsHub

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