Holly Grevillea (Grevillea aquifolium)

Holly Grevillea

Grevillea aquifolium

Its holly-like leaves hold sharp edges, a tough evergreen with fiery blooms. Evergreen shrub; common name: Holly Grevillea.

Full sun
1–2/week
Beginner
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Plant Needs

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Sunlight Full sun to partial shade; tolerates coastal wind exposure for sturdy growth
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Watering Water deeply but infrequently; drought-tolerant once established
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Temperature Hardy to light frost; withstands warm summer temperatures in coastal regions
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Characteristics

  • Leaf: Spiny, holly-like, dark green, leathery, 2–5 cm long with sharp marginal teeth
  • Flower: Clusters of bright red to orange-red toothbrush-shaped inflorescences
  • Stem: Woody, branching densely to form a compact rounded habit
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Care Guide

Watering

Water regularly during establishment; reduce frequency once mature

Fertilization

Light low-phosphorus feed once in early spring. Use phosphorus-poor fertilizer to avoid nutrient burn

Eggshell powder top-dress:Crush dried eggshells into fine powder; sprinkle thinly over soil surface to boost calcium levels
Pruning
  • Prune lightly after flowering to maintain compact shape
  • Remove dead or damaged branches to improve airflow
  • Avoid heavy pruning as it may reduce next season's blooms
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Toxicity

Warning: this plant may be toxic.

Pets & Humans

Pets: ASPCA-verified non-toxic to cats

Humans: No known toxic effects on humans

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Garden Uses & Culture

Culture: N/A

Usage: Ornamental garden shrub; attracts nectar-feeding birds