Catalpa bignonioides can be recognized by its somewhat irregular and angular branching in the crown; the tree can grow to a height of 10 to 15 meters. If given enough space, the tree can also spread out widely with heavy structural branches. The tree thrives best in a somewhat sheltered location because its fragile twigs can be sensitive to the wind. Catalpa bignonioides is well-suited for planting along green belts or in city parks, where it has the space to develop optimally.
In the summer, the trees are easily recognizable by their large, heart-shaped, bright green leaves. Their long petioles, which can grow to be as long as 12 to 15 cm, are particularly striking. The leaves appear on the tree relatively late in the spring and fall off relatively early in the fall.
The elegant white flowers appear in broad, terminal panicles that can grow up to 15 to 30 cm long; the flowering period is in June and/or July. The individual funnel-shaped flowers resemble a trumpet, hence the Dutch name ‘Trompetboom’ (Trumpet Tree).
In September and October, the fruits appear as striking, long green ‘pods,’ which can grow as long as 30 to 35 cm. In winter, these often remain hanging from the tree as withered strands. Because of this spectacular fruit production, the tree is sometimes called the ‘Indian Bean Tree’ or ‘Cigar Tree’ in England.
This tree species is native to the mixed deciduous forests of the southeastern United States.
Location of photos: Haarzuilens (municipality of Utrecht) and our nursery
| Available in: | Root ball, Bare root |
|---|---|
| Application: | Large Gardens, Squares and Parks, Solitary Trees, Streets |
| Growing conditions: | (Partial) shade, Dry (sandy) soil, Normal soil, Tolerates some compaction, Moist (clay) soil, Sunny |
| Growth habit: | Round / flattened round |
| Flower color | White |
| Adult height: | First size trees 12+ m |
| Soil: | Not too wet; has few requirements |
| Flowers: | upright, long clusters, beautiful blooms (June–July), white terminal flowers |
| Fruits: | 30–35 cm long, thin-walled capsule that hangs from the tree in a cluster |
| Environmental factors: | Requires a wind sheltered location |
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