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Ant tree

Triplaris cumingiana · Polygonaceae

The gardener's calendar

The right move for September

In autumn, ease off feeding and take the chance to clean up around ant tree and prepare for winter.

JFMAMJJASOND Planting

ID card

Common name
Triplaris, Pepper wood
Family
Polygonaceae
Type
Tree
Foliage
Deciduous
Flowering
Spring to summer
Mature size
49 to 82 feet tall
Growth
Fast
Hardiness
Tropical (54-59 °F minimum)
Origin
South America (Andes)
Soil type
Well-draining, fertile

Care

Exposure

Place the tree in full sun for optimal growth and abundant flowering. It tolerates partial shade but will develop a less compact form. Protect it from strong winds that could weaken the branches.

Watering

Water regularly during the growing season, keeping the soil moist but not waterlogged. Reduce watering in winter or during dry periods. Allow the soil to dry slightly between waterings once the plant is established.

Soil and planting

Choose rich, well-draining, fertile soil. Adding organic matter (compost) at planting time promotes establishment. Avoid overly compact soils or those that remain constantly wet, as these can cause root rot.

Fertilizing

Apply balanced fertilizer in spring and summer during the active growing period. Reduce or stop fertilizing in fall and winter. Compost or organic fertilizer works well for this species.

Pruning and structure

Prune lightly after flowering to maintain a harmonious shape and remove dead branches. Guide the structure while young to encourage regular growth. Avoid severe pruning, which weakens the tree.

Diseases and pests

This tree is generally robust in suitable tropical climates. Watch for scale insects and aphids early in the season; soap spray treatment often suffices. Ensure good air circulation to prevent fungal diseases.

Did you know?

Triplaris is renowned for its remarkable symbiosis with a specific ant species; these ants create galleries in the hollow trunk and in return actively defend the tree against herbivorous insects. This fascinating natural defense mechanism illustrates the strategies of plant-animal coevolution in tropical forests.

Where to buy it

Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.

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Tips generated and checked by Viridia — adapt them to your local climate.