Care Sheet - Grevillea robusta

Grevillea robusta - “Silk Oak”

Grevillea is a flowering plant in the family native to Australia. Aside from the feathery foliage, this tree can also produce a very unique, bottle brush style flower characteristic of these trees. This plant does well as a patio tropical in summer and indoors in winter. Bloom is a bright yellow color. 

 

Light: Full-sun

 

Water: Keep evenly watered, especially during the growing season. 

 

Environment: This tree prefers good air circulation to maintain healthy leaves. Keep them evenly watered and surplus humidity is a perk. This fast-grower will like to be replanted into a larger container in proportion to its size.

 

Toxicity: Reported to be toxic. Leaves can cause irritation for those with sensitive skin.

 

Habit / SIze: Tree form with a single main trunk growth habit. Can grow to 20 -100’ high in its native climate. 

 

Of Note:

 

•  Native to Queensland and New South Wales where it grows in subtropical rainforest, dry rainforest and wet forests.

 

• Will produce flowers in its native setting but rare occurrence as a houseplant.
  
  *When planting in a pot without a drainage hole, help avoid over watering by estimating 25% of the container’s overall volume, with appropriate drainage materials incorporated when planting.