The genus Buddleia includes 100 species of shrubs, trees, climbers, and perennials from Asia, Africa, and North and South America. Their main attribute is the showy panicles of small, tubular flowers, which are often fragrant. The foliage is also noteworthy in some species. Use in a border or as specimens. Hummingbirds, bees, butterflies, and other insects are attracted to some species.
Noteworthy CharacteristicsShowy panicles of fragrant flowers that often attract butterflies, bees, and hummingbirds.
CareIn the garden, grow in fertile, well-drained soil in full sun. Various species have different pruning requirements. In the greenhouse, grow in full light with good ventilation. Water sparingly in winter.
PropagationSow seed at 66° to 75°F in spring, or root semi-ripe cuttings in summer. B. davidii can be propagated from hardwood cuttings taken in autumn.
ProblemsSusceptible to capsid bug, caterpillars, weevils, mullein moth, and spider mites. Fungal leaf spots and diebacks occur less often.