Catalpa ovata Seeds | Yellow Catalpa
LATIN NAME: Catalpa ovata
COMMON NAME: Yellow Catalpa, Chinese Catalpa
Plant Profile
Yellow Catalpa (Catalpa ovata) is a deciduous tree of the trumpet-creeper family (Bignoniaceae), native to China and long cultivated in Japan. It reaches 8-12 m, with large, heart-shaped leaves and open clusters of pale yellow, orange-spotted, bell-shaped flowers in summer, followed by slender, bean-like pods. It is grown for ornament and for its useful timber in East Asia.
Science & Biotechnology
As part of the Catalpa group, Catalpa ovata contributes to research on plant classification and adaptation, while nurseries and gardeners continue to trial it for cultivation. Its more compact size compared with some catalpa relatives has also made it a subject of interest for urban tree selection research seeking smaller-scale flowering shade trees. It retains a following among breeders and collectors, which keeps seed stocks in circulation.
Uses & Benefits
Gardeners value Yellow Catalpa for its ornamental character, and the plant also fits naturally into herb, vegetable and cutting gardens. Yellow catalpa’s more compact size and subtly coloured pale yellow flowers make it a practical ornamental shade tree for gardens without room for largest catalpa species, and various plant parts have traditional medicinal use within Chinese herbal practice. As with any medicinal plant material, appropriate use is best discussed with a qualified herbalist. A plant that has settled in will get along with only routine care.
Catalpa bark and pods had folk use as a mild laxative and worm remedy in America, though the tree is grown today for its orchid-like flowers and shade.
Growing from Seed
Raising Yellow Catalpa from seed is straightforward. Sow seed into a loose, well-drained mix and keep it consistently moist, since this species needs no special pretreatment. Full sun to light shade suits this adaptable tree well, and its more compact eventual size makes it a practical choice for moderate-sized gardens. Sow the seed evenly over the surface and cover lightly, using a loose, well-drained seed compost, and keep it just moist in full sun until the seedlings are well up. Move strong seedlings into individual pots, keep them in good light, and set them out when the weather and their size agree.
Our Take
Once established, Yellow Catalpa, Chinese Catalpa largely looks after itself. Given the right start, Yellow Catalpa, Chinese Catalpa is a long-term garden companion. The essentials are simple: full sun, drainage and patience while it establishes.
Related Reading
Gardeners who grow Yellow Catalpa often pair it with these related subjects: