Leptodermis Oblonga - Knowledgebase Question

rye, NY
Avatar for draustin4
Question by draustin4
September 16, 1998
We bought a plant named Leptodermis oblonga. We were told it was hardy only to zone 7. What is best way to care for this plant through the winter? We have a heated, enclosed porch. What is its common name and light requirements?

Answer from NGA
September 16, 1998
The plant you have is quite unusual, and has no common name. Leptodermis oblonga is a member of the Rubiaceace family (Madder family), is a deciduous shrub that will grow 3'-4' high, likes moist soil, and will grow in part shade to full sunshine. It's native to N. China and flowers in late summer and autumn, with showy violet-purple funnel-shaped flowers. The plant is hardy to about -10F, so you may be able to plant it in a protected garden spot and further protect it with some sort of enclosure during the coldest months of winter. I wouldn't advise keeping it in a heated area during the winter because it has some chilling requirements in order to bloom. (Winter heat would keep the plant from forming flower buds.)

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