Light
Medium to bright
Ideal spot
Peperomia prostrata · Foliage plant · pet-safe
Medium to bright
Ideal spot
about weekly
In the growing season
Easy
Slow grower
Safe
Cats & dogs
String of Turtles (Peperomia prostrata) belongs to the Piperaceae family and is a easy houseplant to look after. This slow grower plant is happiest in medium to bright and reaches 15–40 cm indoors.
For watering, the rule is simple: drought-tolerant. In the growing season it needs water roughly every 9 days, dropping to every 14 days in winter. Use the watering calculator below to tune that rhythm to your pot size, light and household humidity.
Good news for pet owners: String of Turtles is listed as non-toxic to cats and dogs by the ASPCA.
Set your pot size, light and humidity — the calculator tunes the watering rhythm to your home.
Light at the spot
Humidity
Season
Water String of Turtles
every 9 days
≈ about weekly · 3.3× per month
Let the top 2–3 cm dry and finger-check before watering again.
String of Turtles prefers medium to bright but will cope with medium, indirect. Harsh midday sun can scorch sensitive leaves, while too little light leads to leggy, sparse growth.
Keep String of Turtles between 16–26 °C and aim for around 50% humidity (40% minimum). Below 12 °C it risks cold damage — keep it away from draughty windows and radiators.
16–26 °C
Not below 12 °C
50%
40% minimum
Drought-tolerant
Soil between waterings
Pot String of Turtles in light, free-draining mix with extra perlite. A drainage hole is essential — soggy, airless soil is the single most common way houseplants die.
Listed as non-toxic to cats and dogs by the ASPCA — a genuinely pet-safe choice.
The best ways to propagate String of Turtles are leaf cuttings and stem cuttings. Late spring and summer are ideal, when the plant is growing most actively.
Peperomias have semi-succulent leaves that store water, so they would rather be a little too dry than too wet — a forgiving, compact desk plant.
In the growing season String of Turtles needs watering about weekly (about every 9 days in a 16 cm pot at medium light), and much less in winter — roughly every 14 days. Use the watering calculator above to get the exact interval for your conditions.
String of Turtles thrives in medium to bright. A spot near a bright window out of harsh midday sun is ideal; give it a little more light in winter.
String of Turtles is non-toxic to pets. Listed as non-toxic to cats and dogs by the ASPCA — a genuinely pet-safe choice.
The most common problem with String of Turtles is overwatering. Check your watering and drainage first — most issues trace back to too much or too little water.
The best ways to propagate String of Turtles are leaf cuttings and stem cuttings. Late spring and summer are ideal, when the plant is growing most actively.
Indoors String of Turtles typically reaches 15–40 cm. With the right light and occasional repotting it stays compact and bushy.
Care data last verified on 15 June 2026.
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