Temperature
65–80°F
Keep away from winter window glass and heating vents.
Polka dot plant
Hypoestes phyllostachya
Polka dot plant wants bright indirect light and water every 4 to 7 days, once the surface is just dry to the touch. Non-toxic to cats and dogs.
Light
Bright indirect
LowMediumBright indirectDirect
Within two to three feet of an east window. In low light the pink speckling fades to green and the stems stretch.
Water
Every 4–7 days
Baseline for a 6-inch pot indoors. Check first: water when the surface is just dry to the touch, not on a schedule.
Humidity
45% and up
Wants 60%. Struggles in dry winter air.
Difficulty
Easy
Scores 2 of 5: Scores 2 of 5: fast and easy from cuttings, and short-lived by nature. It flowers, sets seed and declines within a year or two, which is normal rather than a failure.
Habit
Spreading
Grows to 6–12 inches. No support needed.
Non-toxic to cats and dogs
Eating a large amount of any plant can still cause mild stomach upset.
Detail for cats → Detail for dogs →
What each authority says
- ASPCA
- Non-toxic to cats and dogs
- NC State Extension
- Entry exists and records no poison data.
Light
Bright indirect light. Within two to three feet of an east window. In low light the pink speckling fades to green and the stems stretch.
Water
Every 4 to 7 days in a 6-inch pot, when the surface is just dry to the touch.
Treat the interval as a starting point and the test as the actual instruction. Pot size, light level and season all move the number.
| Method | keep evenly moist |
|---|---|
| Test before watering | the surface is just dry to the touch |
Soil and potting
Two parts potting soil, one part perlite.
Repot roughly every 1 years, or when roots come through the drainage holes and water runs straight through without absorbing.
Common problems
Ranked by how often each turns out to be the cause for this species. Each links to a diagnosis page with the causes ranked for this species.
- Leggy growth monitor
- Drooping act today
- Brown crispy edges monitor
Pest and disease guidance for this species consulted at the Missouri Botanical Garden Plant Finder, checked 2026-09-12.
Pests
Recorded for this species. Each links to identification and treatment.
- Aphids this week
- Spider mites act today
Propagation
Stem cutting in water or soil. Roots in 7 to 14 days.
A cutting without a node will not root. It may stay green in water for months and never produce a single root, because it has no growth point.
| Preferred method | stem cutting |
|---|---|
| Medium | water, soil |
| Time to root | 7–14 days |
| Node required | Yes |
| Best season | Spring and summer |
Sources
- ASPCA Animal Poison Control — Hypoestes phyllostachya Checked 2026-09-12.
- North Carolina Extension Gardener Plant Toolbox — Hypoestes phyllostachya (consulted; entry exists and records no poison data.) Checked 2026-09-12.
- Wikidata entity Q5959593 — taxonomy and entity identity.
- Royal Botanic Gardens Kew, Plants of the World Online — Hypoestes phyllostachya Accepted name; family Acanthaceae. Checked 2026-09-12.
- Missouri Botanical Garden Plant Finder — Hypoestes phyllostachya Pest and disease guidance. Checked 2026-09-12.
- Photograph: Didier Descouens, Wikimedia Commons , CC BY-SA 4.0.
Compiled and edited by Tony Valcarcel · 2026-09-02
Tony Valcarcel is the editor and publisher of this database, not a horticulturist
or a veterinarian. Every fact above is drawn from the sources listed, and
toxicity severity is reported only where one of them stated it.
How this is sourced.
Last updated 2026-09-02