Catalpa bignonioides ‘Nana’ – Compact Summer-Flowering Tree
Description
Catalpa bignonioides ‘Nana’ is a dwarf form of the Indian Bean Tree, prized for its compact habit, large heart-shaped leaves, and spectacular summer flowers. In summer, clusters of fragrant white flowers with purple and yellow throats attract bees, butterflies, and other pollinators.
Its small, rounded crown makes it suitable for small gardens, terraces, or as a specimen tree in mixed borders. The foliage provides summer shade, and its slow growth ensures it remains manageable and ornamental.
Size & Growth
Grows approximately 2–3 m tall with a 2–3 m spread, forming a compact, rounded crown.
Growing Conditions
Thrives in full sun to partial shade, in fertile, well-drained soil. Tolerates a variety of soil types and is hardy in temperate climates.
Why Choose Catalpa bignonioides ‘Nana’?
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Summer Interest – Clusters of fragrant white flowers with purple and yellow throats.
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Compact & Manageable – Ideal for small gardens, patios, or terraces.
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Wildlife-Friendly – Flowers attract pollinators.
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Low Maintenance – Hardy, adaptable, and slow-growing.
Planting & Care Guide
Position: Full sun to partial shade for best flowering and foliage.
Soil: Fertile, well-drained soil; tolerates a range of conditions.
Watering: Water during establishment; moderately drought-tolerant once mature.
Feeding: Apply light fertiliser in spring if soil is poor.
Pruning: Minimal; remove dead or crossing branches to maintain shape.
Design & Planting Ideas
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Plant as a compact specimen tree in small gardens or patios.
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Use in mixed borders with perennials and shrubs for layered effect.
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Combine with pollinator-friendly plants to encourage wildlife.
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Ideal for low-maintenance, ornamental garden schemes.