Silk Oak

Grevillea Robusta

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Overview

The Silk Oak, or Grevillea robusta, is an elegant evergreen with fern-like foliage, growing up to 100 feet tall with a spread of 20-30 feet. Its nectar-rich, orange blossoms emerge in spring, attracting pollinators. Native to Australia, it thrives in USDA Zones 9-11, preferring full sun and well-drained soil. This fast-growing tree is drought-tolerant, making it an ideal focal piece for large landscapes requiring minimal maintenance.

Sun FullWater Low, Very LowZones 8–10

Silk Oak (Grevillea Robusta) — is an elegant evergreen with fern-like foliage

Culture

Sun: Full
Water: Low, Very Low
USDA zones: 8–10

Shape & size

Mature height: 50–60 Ft.
Mature width: 30–40 Ft.

Classification

Family: Proteaceae

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Photos (78)

Silk Oak (Grevillea Robusta) — tree with gold and yellow blooms; provide a stunning contrast against the deep green

Silk Oak (Grevillea Robusta) — tree for full; regular pruning will help maintain its shape and prevent excessive spread

Silk Oak (Grevillea Robusta) — is an elegant evergreen with fern-like foliage; native to Australia, it thrives in USDA Zones 9-11, preferring full, image 51

Silk Oak (Grevillea Robusta) — growing up to 100 feet tall with a spread of 20-30 feet; the Silk Oak's fern-like foliage presents a delicate texture, image 52

Silk Oak (Grevillea Robusta) — Its nectar-rich, orange blossoms emerge in spring, attracting pollinators; it requires full sun exposure to thrive, image 53

Silk Oak (Grevillea Robusta) — Native to Australia, it thrives in USDA Zones 9-11, preferring full sun and well-drained soil; tree for full, image 54

Silk Oak (Grevillea Robusta) — This fast-growing tree is drought-tolerant; scientifically known as Grevillea robusta, image 55

Silk Oak (Grevillea Robusta) — making it an ideal focal piece for large landscapes requiring minimal maintenance; growing up to 6 inches long, image 56

Silk Oak (Grevillea Robusta) — scientifically known as Grevillea robusta; and it's recommended to plant it away from areas with heavy pedestrian, image 57

Silk Oak (Grevillea Robusta) — is a majestic evergreen tree renowned for its ornamental qualities and fast-growing nature; its nectar-rich, orange, image 58

Silk Oak (Grevillea Robusta) — Native to the eastern coastal regions of Australia; this tree can reach impressive heights up to 100 feet with a, image 59

Silk Oak (Grevillea Robusta) — this tree can reach impressive heights up to 100 feet with a canopy spread of about 30 feet when mature; it is, image 60

Silk Oak (Grevillea Robusta) — The Silk Oak's fern-like foliage presents a delicate texture; tree with gold and yellow blooms, image 61

Silk Oak (Grevillea Robusta) — bottlebrush-like flowers bloom abundantly; making it an ideal focal piece for large landscapes requiring minimal, image 62

Silk Oak (Grevillea Robusta) — attracting pollinators such as hummingbirds and bees, image 63

Silk Oak (Grevillea Robusta) — growing up to 6 inches long; the foliage may cause skin irritation on sensitive individuals, image 64

Silk Oak (Grevillea Robusta) — provide a stunning contrast against the deep green; growing up to 100 feet tall with a spread of 20-30 feet, image 65

Silk Oak (Grevillea Robusta) — dissected leaves.<br><br>For landscape purposes; native to the eastern coastal regions of Australia, image 66

Silk Oak (Grevillea Robusta) — it is important to note that the Silk Oak is best suited for USDA zones 9 to 11 and prefers well-drained soils, image 67

Silk Oak (Grevillea Robusta) — It requires full sun exposure to thrive and can endure short drought periods once established; gold and yellow, image 68

Silk Oak (Grevillea Robusta) — as it has an aggressive root system that can damage nearby pavements or structures; this fast-growing tree is, image 69

Silk Oak (Grevillea Robusta) — the foliage may cause skin irritation on sensitive individuals; bottlebrush-like flowers bloom abundantly, image 70

Silk Oak (Grevillea Robusta) — and it's recommended to plant it away from areas with heavy pedestrian traffic; as it has an aggressive root system, image 71

Silk Oak (Grevillea Robusta) — Regular pruning will help maintain its shape and prevent excessive spread; is an elegant evergreen with fern-like, image 72

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