Butterfly Bush
Also known as
Summer Lilac, Orange Eye
Keep this plant’s care guide close at hand.
Get the appAbout Butterfly Bush
Buddleja davidii, commonly known as the Butterfly Bush, is a deciduous or semi-evergreen shrub renowned for its ability to attract butterflies and other pollinators. Originating in China, this plant can grow up to 5 meters in height and spreads 2 to 4 meters wide. It features long, panicle-like clusters of fragrant flowers ranging in color from purple and pink to white. The blooms typically appear from mid-summer to early autumn. Buddleja davidii thrives in full sun and well-drained soils, making it a popular choice for garden borders and wildlife gardens. Its rapid growth and prolific seeding ability can make it invasive in certain climates.
Taxonomy
Properties & Requirements
How to care for Butterfly Bush
Water
Water your Buddleja davidii deeply but infrequently, allowing the soil to dry out slightly between waterings. This plant prefers moist but well-drained soil, and excessive moisture can lead to root rot. During hot, dry periods, increase watering frequency to maintain healthy growth.
Light
Provide full sun for optimal growth and flowering. Buddleja davidii needs at least 6 hours of direct sunlight daily. In regions with very hot climates, some light afternoon shade can prevent scorching.
Nutrients
Fertilize Buddleja davidii in early spring with a balanced, slow-release fertilizer to support its rapid growth and flowering. Avoid over-fertilization, which can lead to fewer blooms and softer, less resilient growth. Supplementing with a potassium-rich fertilizer can enhance flower quality and plant vigor.
Temperature
Buddleja davidii is hardy and tolerates a wide range of temperatures but thrives best in temperatures between 20°C to 30°C. It can withstand frost down to about -20°C. In colder regions, mulching around the base can help protect the roots from freezing temperatures.
