Prickly spider flower (Grevillea juniperina)

Prickly spider flower

Also known as: Prickly spider-flower, Gold cluster grevillea, Grevillea juniperina

Distribution for the prickly spider flower is not widespread and it is predominately found in Sydney regions. Flowering does not run on a strict seasonal schedule and the blooms are a great pollination source for wildlife. Prickly spider flower is a threatened species due to fire, degradation, invasive plant species, and loss of habitat.

Scientific classification

Species

Prickly spider flower (Grevillea juniperina)

Proteas, lotuses, planes, and allies

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Perennial

Lifespan

Shrub

Plant Type

Evergreen

Leaf type

20 - 38 ℃

Ideal Temperature

Images of Prickly spider flower

Cultivars

There are several recognized cultivars of Prickly spider flower, including the following common varieties :

Juniper grevillea 'Canberra Gem'

Care Guide for Prickly spider flower

Every 1-2 weeks

Water

Full sun

Sunlight

20 - 38 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Prickly spider flower prefers balanced water conditions and is moderately drought-tolerant, needing watering every 1-2 weeks. Thriving in well-drained soil, it is often grown outdoors, benefiting from its robust nature and ability to retain moisture during dry spells.

Fertilize: For optimal growth of prickly spider flower, apply balanced or high-nitrogen fertilizers quarterly during spring and summer. Dilute to half strength to prevent over-fertilization. Adjust feeding based on seasonal growth, reducing it in winter for enhanced flowering and vigor.

Pruning: Prickly spider flower is a hardy shrub with prickly leaves and vivid blooms. Prune lightly in early to late winter, removing dead wood and spent flowers, to enhance growth and air circulation. Use sharp, sterilized tools to prevent infections; avoid heavy pruning to maintain blooming.

Propagation: Native to Australia, prickly spider flower is a resilient shrub with needle-like foliage and ornate flowers. Propagate using semi-hardwood cuttings with nodes, assisted by rooting hormone. Plant in sandy, well-drained mix while maintaining humidity with a cover and regular misting until roots develop.

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