Clethra arborea (Lily of the Valley Tree)

Clethra arborea (Lily of the Valley Tree) white flower cluster close up
Clethra arborea (Lily of the Valley Tree) drooping raceme with numerous white bell-shaped flowers

Botanical name: Clethra arborea

Common name: Lily of the Valley Tree

Family: Clethraceae

Origin: Madeira

USDA Zone: 8-10

Small tree 10-20 ftPlant form: Small tree
Plant mature sizeMature height: 10-20 ft
Full sunSemi-shadeSun exposure: Full sun or bright light indoor; semi-shade
Subtropical plant. Mature plant cold hardy at least to 30s F for a short timeCold tolerance: Tolerates light freezing to about 30°F for short periods (mature plants). Young plants must be protected.
Watering: Moderate. Water when top soil feels dryWatering: Moderate
White, off-white flowersFlower color: White and off-white
Suitable forSuitable for: Outdoors in the suitable USDA zone; small gardens, containers, and indoor growing
Fragrant plantFragrance: Fragrant; perfume plant
Plant attracts butterflies, hummingbirdsWildlife: Attracts butterflies and hummingbirds

Clethra arborea or Lily of the Valley Tree can reach up to 10-20 feet in height and is native to Madeira, Portugal. It has moderate water requirements and prefers full sun or semi-shade. It produces delicate white, off-white flowers that appear in springtime that are not only fragrant and attractive, they also draw butterflies and hummingbirds.

This tree is easy to grow and maintain in USDA zones 8-10. To grow the tree in pot in cold regions, select a container with good drainage holes and use a quality potting soil for acidic plants. It's important to water the tree regularly and fertilize it every two months. If grown in a pot, be sure to place the container in a sunny or partially shaded spot and move it indoors during colder months. Also, it is recommended to wrap up the tree with burlap for protection during winter.

With its fragrant flowers and vibrant colors, the Lily of the Valley Tree makes a great addition to gardens and outdoor spaces. Its blooms will fill the air with a sweet, delicate scent and its foliage will provide plenty of shade, making it a desirable choice for many homeowners.




Link to this plant:
https://toptropicals.com/catalog/uid/clethra_arborea.htm