Red Spider Flower Nadiah Roslan

Red Spider Flower

Its genus name Grevillea is named after Charles Francis Greville, co-founder of the Royal Horticultural Society, and its species name speciosa means showy, referring to its foliage.

Evergreen shrub, grows up to 3 m tall.


Oval shaped with silvery hairs on underside. They are 1 – 5 cm long and 4 – 12 mm wide.


Bright red, or occasionally pink, and spider-like in appearance. Each “spider leg” is 2 – 4 cm long and forms in a loose circle on a stalk. The flower heads are approximately 7 cm in diameter and grow at the end of branches or amongst leaves.


Smooth and hairless follicles, they are oval in shape and 12 – 20 mm long.

Field Guide

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Species: WhatToObserve Image

What to Observe

  • First fully open single flower

  • Full flowering (record all days)

  • End of flowering (when 95% of the flowers have faded)

  • Open seed pods/follicles (record all days)

Species: WhenAndWhere Image

When and Where

When To Look

  • From late winter through spring
  • Flowers mainly appear from July to October but can sporadically appear throughout the year
  • Follicles appear after flowers

Where To Look

  • Endemic to the Sydney region, from Gosford, Kulnura and Bucketty on the NSW Central Coast south to Port Jackson
  • Look in heathlands around Sydney, particularly on the sandstone plateaus north of the harbour
  • In heath or woodland, usually in sandy soils on sandstone
Species: WhatElse Image

What Else?

Similar Species

Grevillea oleoides has longer leaves (5 – 14 cm long).