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Christmas Palm

Adonidia merrillii, Arecaceae

Sources last read 14 September 2026.

Not yet rated How forgiving it is has not been judged here yet.

Also called Dwarf Royal Palm, Manila Palm and Merrill palm.

Christmas Palm (Adonidia merrillii), the whole plant.
Veronidae, CC BY-SA 3.0 · Wikimedia Commons

Toxicity is partly unassessed

  • Listed as non-toxic to cats by ASPCA.
  • Listed as non-toxic to dogs by ASPCA.
  • Not assessed for people. RHS publishes no harm statement for this plant. That is not a finding of safety: none of the sources read for this site gives an answer either way. Treat it as unknown.

What the sources say about its care

Light
Partial shade
RHS · read 13 September 2026
Water
Moist but well-drained
RHS · read 13 September 2026
Humidity

No source read publishes a humidity figure for any plant on this site. What follows is general guidance for foliage plants.

ASHRAE recommends indoor relative humidity between 30% and 60% 30–60%
Penn State Extension · read 13 September 2026
Temperature

How cold this tolerates, not what it prefers. No source read for this site publishes a preferred range for a plant indoors.

H1A — warmer than 15°C 15 °C
RHS · read 13 September 2026
Soil
Loam, Sand; pH Acid or Alkaline or Neutral
RHS · read 13 September 2026
Toxic to cats
Non-toxic
ASPCA · read 13 September 2026
Toxic to dogs
Non-toxic
ASPCA · read 13 September 2026
Harmful to people
No statement of harm to people is published for this plant; that absence is not evidence it is safe.
RHS · read 13 September 2026

Routine care

Watering
Water regularly, letting roughly the top inch of soil dry between waterings. It dislikes waterlogged conditions.
RHS · read 13 September 2026
Feeding
In poor, low-nutrient soil, use a fertilizer made for palms.
NC State Extension · read 13 September 2026
Mist often for humidity; in spring and summer, use a houseplant feed.
RHS · read 13 September 2026
Propagation
Seed
NC State Extension · read 13 September 2026
Raise from seed only, soaked before planting. Sowing seed indoors has more guidance.
RHS · read 13 September 2026
Pruning
Pruning is not needed; remove dead or dying leaves when required.
RHS · read 13 September 2026
Pests and diseases
Can be troubled by fern scale, root mealybugs, greenhouse thrips and banded greenhouse thrips.
NC State Extension · read 13 September 2026
Usually free of pests, though mealybugs, aphids and glasshouse red spider mite can occur. Diseases: usually none.
RHS · read 13 September 2026

Move something and watch

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About the plant

Adonidia merrillii, the Manila palm, is a palm tree species endemic to the Philippines. This palm was cultivated for centuries in the Philippines before becoming a staple in the West. It is reportedly naturalized in the West Indies and Florida. It is commonly known as the "Christmas palm" because its fruits become bright scarlet and tend to be that color in winter. This palm is typically fairly small and slender, normally attaining 25 feet or 8 meters in height but has attained over 40 feet in some instances. Most plants maintain 5-7 fronds when young, gradually building up the crown as the palm ages, and sometimes reaches 10-12 fronds when mature.

From Wikipedia, CC BY-SA 4.0 · read 13 September 2026

Native range
Borneo (Sabah) to Philippines (Palawan, Danjugan)
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Phillippines
NC State Extension · read 13 September 2026
Borneo to Philippines
RHS · read 13 September 2026
Climate
wet tropical
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Growth form
tree
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Perennial, Tree; habit arching, erect
NC State Extension · read 13 September 2026
Columnar upright (evergreen)
RHS · read 13 September 2026
Size
Height 36–300 in; width 72–96 in
NC State Extension · read 13 September 2026
Height 2.5-4 metres; spread 1-1.5 metres after No preference
RHS · read 13 September 2026
Flowering
Flowers cream/tan, white; blooms in summer
NC State Extension · read 13 September 2026

More of the Arecaceae family

Plants with similar care

Sources

What this does not cover

The figures above are what published sources say, not measurements of the plant in your room. They say nothing about your pot size, your water, the season, or how far from the glass the plant stands, and those decide more than any figure here does.

Humidity has no species figure because no source read for this site publishes one, and the only temperature published for this plant is a cold floor. The simulator fills those gaps with general figures for its kind of plant, marked as general and listed on how we read sources. Where a toxicity row says the plant was not assessed, that is the absence of a finding and not a finding of safety.

If something is already wrong, the diagnosis tool asks about the soil, the window and the watering, which is where the answer usually is.