Why Plants Die
Theme

ZZ plant

Zamioculcas zamiifolia, Araceae

Sources last read 13 September 2026.

Forgiving Among the more tolerant plants here.

Also called Aroid Palm, Emerald Palm, Eternity Plant, fern arum, Zanzibar Gem and Zuzu Plant.

No photograph yet
No photograph of ZZ plant has cleared this site’s licence and credit check yet.

ZZ plant is toxic

  • Not assessed for cats. This plant is not on the ASPCA list. That is not a finding of safety: none of the sources read for this site gives an answer either way. Treat it as unknown.
  • Not assessed for dogs. This plant is not on the ASPCA list. That is not a finding of safety: none of the sources read for this site gives an answer either way. Treat it as unknown.
  • Toxic to people. Harmful when eaten; irritates skin and eyes. Use gloves and protective gear when handling it. RHS

What the sources say about its care

Light
Full shade, Partial shade
RHS · read 11 September 2026
Water
Well-drained
RHS · read 11 September 2026
Humidity

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

Most foliage plants prefer more humidity than a heated room gives; succulents are named as an exception
Penn State Extension · read 11 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 11 September 2026
Soil
Loam, Sand; pH Acid or Alkaline or Neutral
RHS · read 11 September 2026
Toxic to cats
Not on the ASPCA list. That is not a finding of safety.
ASPCA · read 11 September 2026
Toxic to dogs
Not on the ASPCA list. That is not a finding of safety.
ASPCA · read 11 September 2026
Harmful to people
Harmful when eaten; irritates skin and eyes. Use gloves and protective gear when handling it.
RHS · read 11 September 2026

How it usually goes wrong

Leaves soften and curl inward

Leaves on the zZ plant turn dull and soft before any colour changes, and water poured on the dry surface runs straight down the inside of the pot.

Its source describes well-drained soil. Below that the cells lose pressure, and pressure is what holds a leaf out straight.

Telling it apart: Water it and look the same evening. A thirsty plant firms up fast; one that does not has a root problem instead.

RHSZZ plant soft or mushy stem: causes
New leaves are smaller than the old and further apart

Growth on the side of the zZ plant away from the light slows or stops, so the plant becomes lopsided over a few months.

Light is the budget every other process is paid from. Under the full shade, 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.

RHSDiagnose leggy growth on this ZZ plant
The base of the zZ plant turns soft and dark

Firmness goes first and colour second. A leaf pinched gently stays dented, and the lowest ones may drop away whole.

Rot organisms thrive in wet compost around soft tissue. Its source describes well-drained soil, which leaves them little to work with.

Telling it apart: How recently it was watered. Soft tissue within a week of watering points at the water; soft tissue in dry compost points at cold.

RHSZZ plant soft or mushy stem: causes

Not sure which it is? Ask the diagnosis questions for ZZ plant.

Routine care

Watering
Its swollen, fleshy rhizomes produce glossy leaves that hold water, making it very drought tolerant. Indoors, use a well-drained potting soil, water on a routine, and let it dry between waterings, since it does not tolerate wet feet.
NC State Extension · read 13 September 2026
Feeding
Give a balanced liquid houseplant fertilizer one or two times per year.
NC State Extension · read 13 September 2026
Propagation
Use division or leaf cuttings to propagate.
NC State Extension · read 13 September 2026
Take leaf cuttings from single leaflets.
RHS · read 13 September 2026
Pruning
Pruning is not needed. Cut faded leaves and flowers off at soil level.
RHS · read 13 September 2026
Pests and diseases
Can be troubled by armored scale.
NC State Extension · read 13 September 2026
Usually free of pests and diseases.
RHS · read 13 September 2026

Move something and watch

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

About the plant

Zamioculcas is a genus of flowering plants in the family Araceae, containing the single species Zamioculcas zamiifolia. It is a tropical herbaceous perennial plant, and is native to eastern Africa, including Kenya, KwaZulu-Natal, Malawi, Mozambique, Tanzania, and Zimbabwe. Its common names include Zanzibar gem, Zuzu plant, emerald palm, ZZ plant, aroid palm and eternity plant. It is commonly grown as a houseplant, mainly because it has attractive glossy foliage and is easy to care for. Zamioculcas zamiifolia is winter-hardy in USDA Zones 9 and 10.

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

Native range
Kenya to KwaZulu-Natal
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Africa
NC State Extension · read 13 September 2026
E Tropical Africa
RHS · read 13 September 2026
Climate
seasonally dry tropical
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Growth form
perennial
World Checklist of Vascular Plants, June 2026 release, CC BY.
Kew WCVP · read 13 September 2026
Herbaceous Perennial, Succulent; habit arching, erect
NC State Extension · read 13 September 2026
Bushy (evergreen)
RHS · read 13 September 2026
Size
Height 24–48 in; width 24–48 in
NC State Extension · read 13 September 2026
Height 0.5-1 metres; spread 0.5-1 metres after 2–5 years
RHS · read 13 September 2026
Flowering
Flowers cream/tan, green, white
NC State Extension · read 13 September 2026
Flowers green in summer; white in summer
RHS · read 13 September 2026

Common problems with ZZ plant

More of the Araceae 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.