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silky oak | Plant Finder | Fill My Garden

Home/Plants/Bamboos

Plants > Bamboos

silky oak

Grevillea robusta

★ RHS AGM

Genus: Grevillea
Family: Proteaceae
Common Names: silk oak, silky-bark oak

About this plant

G. robusta is a fast-growing evergreen tree to 20m or more, but is usually grown as an annual for foliage effect making a bushy shrub to 3m. Olive-green, fern-like leaves to 30cm in length, paler beneath. Racemes of tubular yellow flowers are produced only by mature plants

Growing Information

Height

Higher Than 12 Metres

Spread

4-8 Metres

Hardiness

Foliage

Evergreen

Growing Conditions

Sunlight

Full Sun

Soil

LoamSandy

AcidNeutral

Not Currently Available

This plant is not currently stocked at any garden centres on our platform.

Moisture

Poorly DrainedWell Drained

Aspect

East FacingWest Facing

Exposure

Exposed

Care Guide

Cultivation

Grow outdoors in acid to neutral well-drained soil in a frost-free area or as part of a summer bedding scheme. Grow under glass in lime-free compost with added grit in full light. May need restrictive pruning under glass

Pruning

Pruning group 1 outdoors, but more rigorous pruning may be necessary indoors to restrict size

Propagation

Propagate by seed, semi-hardwood cuttings or graft

Pests

Generally pest free

Diseases

Generally disease free

Garden Uses

Uses

Patio Container

Planting Places

Conservatory

Season of Interest

SpringSummerAutumnWinter

Size & Characteristics

Height

Higher Than 12 Metres

Spread

4-8 Metres

Habit

Bushy

Time to Full Height

Fifty To Hundred Years