Sapindaceae
Dodonaea viscosa
Hopbush · Mkaa pwani
S
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Dodonaea viscosa is an evergreen shrub typically growing 1-3 metres tall, though it can reach up to 9 metres as a small tree. Its narrow, oblanceolate leaves are dark green and often sticky, an attribute reflected in its species name. Inconspicuous yellow-green flowers lead to distinctive papery, three-winged capsules, which can be green, pink, or red before ripening to a tan or brown colour. This versatile plant readily colonises disturbed areas and tolerates salt, drought, and strong winds.
Where it works in Kilifi
This species is ideal for Kilifi-coast gardens, thriving in full sun to light shade and a wide range of well-drained soils, including sandy or rocky coastal areas. It excels as a hedge, screen, or windbreak, offering excellent protection against strong coastal winds and for dune stabilisation. For a dense hedge, plants can be spaced closer, while individual specimens benefit from at least 1.5-2 metres.
Growing notes
Hopbush is a fast-growing shrub that establishes quickly. Once established, it is highly drought-tolerant but benefits from moderate watering during prolonged dry periods, ensuring the soil dries out between applications. It tolerates regular pruning for shaping and density.
Sources
Researched with web grounding from: pfaf.org, prota4u.org, arizona.edu, oregonstate.edu, worldagroforestry.org, wikipedia.org. Please verify with local knowledge before relying on these notes.