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Golden trumpet tree

Handroanthus chrysotrichus

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Golden trumpet tree · Handroanthus chrysotrichus

Golden trumpet flowers burst out in spring on a compact crown that suits gardens and sheltered streets; the wood is brittle, so it dislikes strong wind.

Care and placement

Needs full sun and well-drained, reasonably fertile soil; moderately drought-tolerant once established, but dislikes frost and waterlogging. The wood is brittle, so avoid windy sites.

Draft mature dimensions

Maximum height (cm): 800 cm · Maximum spread (cm): 800 cm

Things to consider

No source rates the toxicity of this tree, so it is not claimed safe; keep children and pets from chewing leaves, flowers or pods. The wood is brittle and branches can snap in storms; in Australia it is treated as a potential weed because its seed travels on the wind.

Unknown evidence does not mean safe. Decorative plants are not automatically edible.

Information is compiled from multiple reputable sources for reference. If you spot an error, please contact us so we can check and update it.

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How to grow and care for it

  1. Planting and pot

    Pick a sunny, well-drained spot, away from low or flood-prone ground, and slice circling roots when taking the tree out of its container, because circling roots make trees topple as they mature. The crown can spread about 8 m, so the safe distance from buildings, pipes, pavement and overhead lines needs a site survey, since the sources give no figure. Planting on public land needs the owner's or authority's permission.

  2. Light

    Needs full sun; UF/IFAS says it grows best in the open sun. It does not tolerate frost, so it suits warm regions and should be kept out of cold highland winds in Vietnam.

  3. Watering

    Water young trees regularly, about 2-3 times a week according to Vietnamese sellers, keeping the soil moist but not soggy. Once established it is moderately drought-tolerant and can live on rainfall; long waterlogging invites root rot.

  4. Feeding

    The sources give no feeding schedule; the tree does well on reasonably fertile, moderately moist soil. Mix well-rotted organic matter in at planting and then feed lightly as the tree needs, avoiding heavy nitrogen that favours leaves over flowers.

  5. Pruning

    Little pruning is needed, but the crown is often uneven, so light formative pruning can give one main trunk and sturdy scaffold branches. Remove limbs that touch structures or wires early, and use a qualified crew near power lines.

  6. Propagation

    Propagated by seed or layering. The long pods hold winged seed that travels on the wind, and seed is best sown fresh. In Vietnam, nursery stock is mostly raised locally from material brought in from China.

  7. Pests and common problems

    The wood is brittle, so branches break in strong wind or typhoons and the tree is seldom much over about 9 m in exposed sites; do not plant it beside busy walkways in open, windy ground. Leaves drop briefly in late spring and the flowers and long pods fall onto pavement and need sweeping; one Vietnamese seller advises keeping it away from ponds because of leaf fall. Roots are not listed as damaging, but circling roots make trees fall over; UF/IFAS lists no serious pests or diseases, but waterlogged soil still invites root rot. Seed is wind-blown, so watch for volunteer seedlings where it is widely planted. No source mentions pollen or scent causing allergies.

  8. For more flowers

    For plentiful yellow blooms: full sun, good drainage, regular water while young, moderate feeding with little nitrogen and light pruning for an open crown. The golden trumpet flowers peak in spring.