Grevillea Robusta

Grevillea robusta

Grevillea robusta is an evergreen tree native to Australia that thrives primarily in temperate climates. The following are the key characteristics and care methods for Grevillea robusta.

Growth Characteristics
- Height: Mature trees can grow to approximately 18 to 35 meters.
- Leaves: The leaves are dark green and resemble those of ferns, featuring a high leaf-to-pear ratio.
- Flowers: Flowers bloom mainly in spring in the form of long spikes ranging from yellow to orange.
- Growth Rate: It is relatively fast, making it suitable for agricultural timber or for providing shade.

Propagation Methods
- Seed Propagation: It is common practice to harvest seeds from ripe fruit, store them at room temperature, and then plant them. Germination may take some time.
- Cutting Propagation: Cuttings can be taken from branches with leaves attached, but the rooting rate is not very high.

Cultivation Methods
- Soil: It grows well in high-quality, well-drained soil. - Water Management: Although relatively drought-tolerant, regular watering is necessary during the early growth stages.
- Sunlight: It prefers ample sunlight but can adapt to partial shade to some extent.
- Fertilization: It is recommended to apply compound fertilizer in spring and summer.

Uses in the Garden
- Shade Provision: Due to its rapid growth rate, it can quickly provide shade.
- Landscape Plant: Its unique leaf shape and flower colors create a distinctive landscape effect in the garden.
- Windbreak: It is planted as a windbreak due to its excellent wind resistance.

Important Pests and Control Methods
- Diseases: It is relatively resistant to diseases, but root rot may occur if the soil becomes waterlogged. In this case, improve drainage and be careful not to overwater.
- Pests: Generally, there are no major pest issues, but insecticides may be used as needed to prevent leaf diseases.

Based on these characteristics, if planted with proper care, it can grow healthily in the garden for a long time.

Plant Family	Protea family
Height	5~20m
Spread	5~14m
Colors	orange
Bloom Period	March to May
Water Needs	commonly
Exposure	Sunny
Freezing Resistance	-5°C

Grevillea 'Peaches and Cream'
Grevillea bipinnatifida x banksii 'Peaches and Cream'

Janggubap tree
Grewia biloba