Buddleia davidii

How to grow Buddleia davidii in NZ

Buddleia davidii grows best in full sun with free draining soil. It performs well across most regions of NZ and tolerates wind, frost, and dry conditions once established. Plant in spring or autumn and water regularly during the first growing season. Avoid heavy or waterlogged soils, especially in winter. Adding compost at planting will improve soil structure and support vigorous growth.

Buddleia davidii care tips

Buddleia davidii is very easy to care for and responds well to pruning. Prune hard in late winter or early spring to encourage fresh growth and prolific flowering. Water during extended dry periods, particularly in the first year. Feeding is rarely required, though a light application of general fertiliser in spring can enhance growth. Remove spent flowers if desired to keep plants looking tidy.

Buddleia davidii size, spacing, and growth rate

Buddleia davidii typically grows to around 3 to 4 metres tall and wide if left unpruned. It has a fast growth rate and can reach its full size within a few seasons. Space plants approximately 2 to 2.5 metres apart to allow for airflow and natural form. Regular pruning allows size to be easily controlled for smaller gardens.

Landscaping uses for Buddleia davidii

Buddleia davidii is ideal for adding summer colour and fragrance to NZ landscapes. It works well as a feature shrub, informal hedge, or planted within mixed borders. The flowers attract butterflies and other beneficial insects, adding life to the garden. This plant suits cottage gardens, lifestyle properties, and larger spaces where strong seasonal impact is desired.

Why buy Buddleia davidii from The Plant Company?

The Plant Company is NZ’s most trusted plant nursery, supplying premium plants grown for local conditions. Our Buddleia davidii plants are selected for health, vigour, and reliable flowering. We offer expert growing advice, fast nationwide delivery, and plants that establish quickly. Buying from The Plant Company ensures confidence, quality, and professional support.