Star apple.

At a glance

Care level

Moderate

Plant type

Tropical fruit tree

Light

Full sun to partial shade

Indoor light

Bright indirect

Water

Every 3 to 7 days

Mature size

25 to 50 feet

Growth rate

Medium

Hardiness

USDA 10 to 12

Bloom time

Late summer to autumn

Care

Keep this tree in a spot with plenty of warmth and protection from strong winds. Watch for yellowing leaves which might signal poor drainage or nutrient issues. It thrives best when you maintain consistent moisture during its active growing season.

Watering

Water deeply whenever the top few inches of soil feel dry to the touch.

Feeding

Apply a balanced fertilizer during the growing season to support fruit production.

Pruning

Prune lightly once a year to maintain shape and remove any dead branches.

Repotting

Repot only if the tree is in a container, otherwise it prefers to stay in the ground.

Soil

Well draining loamy soil

Soil pH

5.5 to 7.0

Temperature

10 to 35°C

Humidity

60 to 90%

Safety

People

The plant is generally non-toxic, but the sticky latex sap can cause irritation if it contacts sensitive skin.

Children

The fruit contains seeds that could pose a choking hazard to small children.

Contact allergens

The milky latex sap may cause contact dermatitis in sensitive individuals.

Airborne allergens

The small flowers produce pollen that may trigger mild respiratory symptoms in sensitive people.

Edibility

The fruit is edible when fully ripe, but the milky sap in unripe fruit is sticky and unpleasant.

How to identify it

• Glossy dark green leaves
• Golden or purple leaf undersides
• Star pattern inside fruit
• Small white or purple flowers

Height

8 to 20m

Spread

4 to 10m

Leaves

dark green, golden brown, evergreen

Flowers

white, purple, 0.5 to 1cm

Fruit

purple, green, Late winter to spring

Problems to watch for

• Root RotCommon
• Scale InsectsCommon
• AnthracnoseUncommon
• Leaf SpotUncommon
• MealybugsUncommon
• Sooty MoldUncommon

Growing it

Propagation

seed, cuttings, air layering

When to plant

spring, summer

Plant this tree as a central canopy element to provide shade for smaller, understory tropical crops.

Grows well with

• Coffee · It provides excellent dappled shade for coffee plants.
• Banana · They share similar moisture and soil requirements in a tropical garden.

Similar species

• Sapodilla · Another tropical fruit tree with similar growth habits and requirements.

Science

Family

Sapotaceae

Genus

Chrysophyllum

Order

Ericales

Class

Magnoliopsida

Native range

Tropical regions of Central America and the Caribbean.

Conservation

Not currently of conservation concern in its native range.

It grows in tropical rainforests where it utilizes its dense canopy to compete for light.

Value to wildlife

nectar source, provides shelter

Pollinators

bees, butterflies

Uses

ornamental shade tree, edible fruit, traditional medicine

Taxonomy resolved against GBIF.

Questions people ask

Does it need full sun?

Yes, it grows best in full sun but tolerates light shade.

How long until it fruits?

Trees grown from seed can take 5 to 10 years to bear fruit.

Where the name comes from

Chrysophyllum comes from the Greek words for gold and leaf, referring to the golden underside of the foliage. Cainito is the common name used in many Spanish-speaking regions.

Good to know

• It is commonly called the star apple because the seeds inside form a star pattern when cut crosswise.
• The tree is highly valued for its dense, glossy foliage.
• It thrives in tropical climates with consistent moisture.
• The fruit pulp is sweet and often eaten fresh or in desserts.