Botanical overview
The genus Dombeya belongs to the family Malvaceae (the mallow family).
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There are many species in the genus, some of which are popular in cultivation for their showy flowers.
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For example: Dombeya wallichii (often called “Pink Ball”) is a well-known one.
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Another: Dombeya spectabilis has distinct lobed leaves.
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Appearance & distinguishing features
Size & form: These plants are usually shrubs or small trees. For instance D. wallichii grows to about 3–6 m tall in many cases.
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Leaves:
D. wallichii: Leaves broadly heart-shaped, toothed margins.
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D. spectabilis: Leaves more lobed (maple-like) and the flower stalks shorter.
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Flowers: This is the showy part:
D. wallichii has large, pendant spherical clusters (“balls”) of small pink flowers (“Pink Ball”).
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Some species have white flowers (e.g., D. pulchra).
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Blooming season: Varies by species and climate, but many bloom in late winter to spring (or dry season in tropical climate) in the northern hemisphere. For example, D. wallichii’s bloom period is noted as January-April in one source.
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Inflorescences: The flower clusters are often quite large and distinctive, making them an ornamental focal point.
Growing conditions & care
Sunlight: Generally they prefer full sun to partial shade. For example D. spectabilis is described as growing in full sun, semi-shade or light shade.
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Soil: Well-drained soil, fertile, with decent organic matter. Good drainage is important.
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Watering:
During growth/flourishing blossom periods: more frequent watering.
In less active periods: less frequent to avoid water-logging.
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Climate: Many species thrive in subtropical/tropical climates; some may be less frost‐tolerant. For example D. wallichii is suited to warm climate.
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Maintenance / Pruning: Prune after flowering to maintain shape and encourage new growth. Dead flower heads can be removed for neatness.
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Pests & diseases: Some issues can include aphids, sooty mould, etc