Why Plants Die
Theme

Lady palm

Rhapis excelsa, Arecaceae

Sources last read 14 September 2026.

Middling It gives warning, with time to act.

Also called Bamboo Palm, Braodleaf Lady Palm, Fan Tufted Palm, fern rhapis, ground rattan cane, Japanese peace palm, miniature fan palm and slender lady palm.

Lady palm (Rhapis excelsa), the whole plant.
Daderot, Public domain · 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

Sources file this plant under other names: Rhapis flabelliformis (ASPCA). Citations below point at the name its source uses.

Light
Partial shade
RHS · read 13 September 2026
Water
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.

H1B — 10–15°C 10–15 °C
RHS · read 13 September 2026
Soil
Loam; pH Acid or Neutral
RHS · read 13 September 2026
Toxic to cats
Listed as non-toxic
ASPCA, filed as Rhapis flabelliformis · read 13 September 2026
Toxic to dogs
Listed as non-toxic
ASPCA, filed as Rhapis flabelliformis · 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

How it usually goes wrong

A thin dry rim that crumbles between the fingers

Tips first on a lady palm, then margins. Affected tissue is papery and slightly curled, and the damage stops rather than advancing once conditions change.

Heated air holds less water than the plant loses into it, so moisture leaves the leaf faster than it arrives. Penn State Extension cites ASHRAE's indoor range of 30% to 60% relative humidity, and winter heating often takes a room below it.

Telling it apart: Whether the damage advances. Dry air marks a leaf and stops; rot keeps going.

Penn State ExtensionLady palm leggy, leaning growth: causes
New fronds arrive smaller and paler than the ones below

Compare this year's growth on the lady palm with last year's: new fronds are smaller, thinner and a paler green, and the gap below each one is longer.

Light is the budget every other process is paid from. Under the partial shade its source names, the plant spends down reserves and shows it in thin, pale growth.

Telling it apart: What the newest growth looks like beside the oldest. Light changes what arrives next; feeding changes what is already on the plant.

RHSLady palm leaves turning yellow: causes
The plant deflates, and lifts again within hours of a soak

The lady palm loses its stiffness first at the tips of the newest growth, and the whole pot feels light for its size.

Water held in the cells keeps a frond rigid. With the compost dry beyond what its source describes as well-drained, that water is used and not replaced.

Telling it apart: Whether water runs straight through. Compost dried hard sheds water down the sides, which is itself a sign of drought.

RHSDiagnose drooping on this Lady palm

Not sure which it is? Ask the diagnosis questions for Lady palm.

Routine care

Watering
Use well-drained potting soil and water regularly, cutting back in winter.
NC State Extension · read 13 September 2026
In the growing season, water generously and feed monthly with a balanced liquid fertiliser. Give little water in winter.
RHS · read 13 September 2026
Feeding
In the growing season, feed with a balanced slow-release fertilizer.
NC State Extension · read 13 September 2026
Through the growing season, water generously and give a balanced liquid fertiliser each month.
RHS · read 13 September 2026
Propagation
Divide the rhizome to make new plants.
NC State Extension · read 13 September 2026
Sow seed at 27°C or warmer.
RHS · read 13 September 2026
Pruning
Pruning is not needed.
RHS · read 13 September 2026
Pests and diseases
Can be troubled by fern scale, banded greenhouse thrips, greenhouse thrips and root mealybugs.
NC State Extension · read 13 September 2026
Can be troubled by scale insects and glasshouse red spider mite. Diseases: usually none.
RHS · read 13 September 2026

Move something and watch

Loading the simulator. It needs JavaScript; the care table above does not.

About the plant

Rhapis excelsa, also known as broadleaf lady palm or bamboo palm, is a species of fan palm in the genus Rhapis. It is native to southern China and northern Vietnam. The genus name is Greek - rhapis, meaning "needle"; and the species name is Latin for "tall", though R. excelsa is not the tallest in the genus.

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

Native range
China (Guangdong) to NC. Vietnam
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
China and Vietnam
NC State Extension · read 13 September 2026
S. China to N. Vietnam
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
shrub or tree
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Perennial, Shrub; habit erect, spreading
NC State Extension · read 13 September 2026
Bushy (evergreen)
RHS · read 13 September 2026
Size
Height 48–144 in; width 72–180 in
NC State Extension · read 13 September 2026
Height 2.5-4 metres; spread 2.5-4 metres after 20–50 years
RHS · read 13 September 2026
Flowering
Flowers gold/yellow; blooms in spring
NC State Extension · read 13 September 2026
Flowers yellow in summer
RHS · read 13 September 2026

Common problems with Lady palm

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.