Amphibians

Gray tree frog care guide

Dryophytes versicolor

A hardy North American tree frog that changes between gray and green. It tolerates cooler rooms and a moderate humidity range.

Arboreal — vertical height first

Gray tree frog enclosure size

Arboreal — vertical height first. An adult gray tree frog should live in at least 18" L × 18" W × 24" H; we build toward 18" L × 18" W × 24" H (1.5 × 1.5 × 2 ft, roughly 2.3 sq ft of floor and about a 34-gallon glass equivalent).

Hatchling / baby
12" L × 12" W × 18" H recommended · min 12" L × 12" W × 12" H
Juvenile
18" L × 18" W × 18" H recommended · min 12" L × 12" W × 18" H
Adult
18" L × 18" W × 24" H recommended · min 18" L × 18" W × 24" H

Temperature and heating

Room temperature is usually enough.

Basking / warm surface
Slightly warmer area around 80°F
Warm side (ambient)
72–80°F
Cool side (ambient)
65–72°F
Night
60–68°F

Lighting and UVB

UVB: Low UVB (2–5%) is beneficial. Run lights on a 12 hours on, 12 hours off photoperiod, on a timer, and replace UVB bulbs on the manufacturer's schedule even while they still emit visible light.

Humidity

Target 50–70%. Mist daily and keep a clean water dish.

Substrate and depth

Coco fiber or bioactive mix with leaf litter. Depth: 2–3 in.

Enclosure tips and furnishing

  • Vertical branches
  • Cork bark
  • Plants
  • Water dish

Build list

  • Digital hygrometer + thermometer — Read humidity and temperature instead of guessing.
  • Water conditioner / RO water — Chlorine and chloramine burn permeable skin.

Gray tree frog FAQ

How big should an adult Gray tree frog enclosure be?

At least 18" L × 18" W × 24" H, and we recommend building to 18" L × 18" W × 24" H — about 1.5 × 1.5 × 2 ft, or a 34-gallon glass equivalent. Arboreal — vertical height first.

What temperatures does a Gray tree frog need?

Basking or warm surface Slightly warmer area around 80°F, warm side 72–80°F, cool side 65–72°F, night 60–68°F. Room temperature is usually enough.

Does a Gray tree frog need UVB?

Low UVB (2–5%) is beneficial. Photoperiod: 12 hours on, 12 hours off.

What humidity does a Gray tree frog need?

50–70%. Mist daily and keep a clean water dish.

What substrate is best for a Gray tree frog?

Coco fiber or bioactive mix with leaf litter, at a depth of 2–3 in.

How big does a Gray tree frog enclosure need to be for a hatchling?

Hatchling / baby: 12" L × 12" W × 18" H recommended, minimum 12" L × 12" W × 12" H. Scale up to the adult footprint as the animal grows.

Is there anything to be careful about when keeping a Gray tree frog?

Skin secretions irritate eyes and cuts. Wash hands before and after handling, never use soap or untreated tap water, and keep handling to a minimum. Wild-caught animals may be protected — check local laws.

Sources

Put this guide to work

Apply these targets to your own gray tree frog record, then log feedings, sheds and weights against them.