The leaves, and especially the fruits, of the autograph tree are toxic to pets and humans.

Light

Full sun is best, but this plant can tolerate partial shade.

Soil should be fertile and rich in organic matter.

clusia plant on a table

The Spruce / Anastasiia Tretiak

When growing in pots, blend the potting mix with a small amount of growing medium for orchids.

you could scale back its water after that, although regular watering will help it grow more fully.

This species is fairly drought-tolerant, but you should never let the soil get completely dry.

overhead view of an autograph tree

The Spruce / Anastasiia Tretiak

When grown as a houseplant, water it throughly once the soil is dry.

Do not let the soil dry out completely for long.

Indoors, it prefers temperatures between 60 and 85 Fahrenheit.

closeup of a young autograph tree

The Spruce / Anastasiia Tretiak

It also prefers high humidity.

If you have an indoor container plant, you may want to place it near a humidifer.

Fertilizer

Fertilizethree times per year in the spring, summer, and fall.

clusia rosea

passion4nature / Getty Images

Use organic, granular fertilizer.

Or, you’re able to fertilize more frequently with an evenly balanced diluted liquid fertilizer.

For the amount to use, follow the product label instructions.

Use fresh soil of the same key in that the plant was previously growing in.

If the climate is suitable, large plants can be replanted outdoors.

Overwintering

The autograph tree is a tropical plant that does not tolerate frost.

Use insecticidal soap as needed.

The growth rate of the plant depends on soil jot down, light, and temperature.

In an outdoor setting, it is not unusual for the tree to grow one foot per year.

Clusia Rosea: Pitch Apple.

University of Florida, Institute of Food and Agricultural Sciences.

Big Island Invasive Species Committee.