Grevillea robusta · Proteaceae

Silky Oak

⚠️ Not safe for petsPerennial life cycle with rapid growth.10 to 30 m

LightFull sun, tolerates partial shade

WaterMedium, allows drying between waterings

DifficultyMedium

ColdDoes not tolerate temperatures below 0 degrees Celsius.

Full sun, tolerates partial shadeMedium, allows drying between wateringsMediumDoes not tolerate temperatures below 0 degrees Celsius.

Description & origin

The Silky Oak is an ornamental tree known for its vibrant flowers and attractive foliage. It is a resilient plant, ideal for warm and dry climates.

Size

Can reach up to 30 meters in height under ideal conditions.

Foliage

Thin, dissected leaves, gray-green in color.

Flowering

Blooms in spring and summer, with brush-like inflorescences.

Light

Prefers full sun but tolerates some partial shade.

Soil

Well-drained soil, preferably sandy or loamy.

Watering

Water moderately, allowing the soil to dry between waterings.

Temperature

Resistant to mild temperatures but sensitive to severe frost.

Fertilising

Fertilize with a balanced fertilizer in spring.

Repotting

Transplant in spring, ensuring the soil is well-prepared.

Pruning

Light pruning to maintain shape and encourage growth.

Propagation

Easily propagated by seeds or cuttings.

Pests

Can be affected by aphids and scale insects.

Fungal diseases

Sensitive to fungi if the soil does not drain well.

Burnt leaves

Excessive sun exposure can cause leaf burn.

In the garden

Other uses

Can be used in reforestation projects.

Did you know…

The flowers of the Silky Oak attract pollinators such as bees and birds. It is often used in landscaping due to its beauty.