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Waratah

Telopea

Also called Waratahs

Waratah
Photo: Unknown author, CC BY-SA 3.0

Waratahs (genus Telopea) are Australian shrubs or small trees with large, brilliant red flower heads, best known through Telopea speciosissima, the New South Wales emblem. They are notoriously tricky in cultivation, so the key is to match their need for well-drained, sandy loam soil and good air movement.

Family
Proteaceae (Protea family)
Grows as
Tree
Light
Full sun
Water
Keep the soil evenly moist while establishing, then water during dry spells, avoiding waterlogging.
Soil
Well-drained sandy loam, acidic to neutral; avoid heavy clay.
Temperature
10–25 °C; tolerates cool temperate conditions better than heat and frost-prone sites need protection.
How easy
Hard

About

The waratah (genus Telopea) is an Australian-endemic genus of five species of large shrubs to small trees, native to the southeastern parts of Australia (New South Wales, Victoria, and Tasmania). The best-known species in this genus is Telopea speciosissima, which has bright red flowers and is the New South Wales (NSW) state emblem. The waratah is a member of the family Proteaceae, flowering plants (Angiosperms) distributed in the Southern Hemisphere. The key diagnostic feature of Proteaceae is the inflorescence, which is often very large, brightly coloured and showy, consisting of many small flowers densely packed into a compact head or spike. Species of waratah boast such inflorescences ranging from 6–15 cm in diameter with a basal ring of coloured bracts. The leaves are spirally arranged, 10–20 cm long and 2–3 cm broad with entire or serrated margins.

How to grow it

For some time the waratah has had a reputation as a difficult plant. It has a complex culture and for many years there have been cases of people trying to establish the plant only to have the attempt fail. This can be the effect of unsuitable soil conditions, aspect or climate. The waratah is also a slow plant to mature with a flowering period that is short, unpredictable and unreliable. Early issues with cultivation meant that approximately 90% of all waratahs sold at Sydney’s Flemington markets in the early 90s were bush picked. Some progress has been made in the 20 years since then with several cultivars being commercially grown mostly in areas to the North and South of Sydney and in the Dandenong Ranges in Victoria. Issues with cultivation are still present however.

Where it grows

Species grow as either large shrubs or small trees with spirally arranged leaves with either entire or serrated margins. They prefer sandy loam soils and are a pyrogenic flowering species, meaning that they rely on post-fire flowering followed by production and dispersal of non-dormant seeds to take advantage of favourable growing conditions in the altered environment following a fire.

Other Telopea plants

Gippsland Waratah · New South Wales Waratah · Tasmanian Waratah

Text excerpted from the Wikipedia article Waratah by its contributors, under CC BY-SA 4.0; the excerpts and the care summary drawn from them are shared under the same licence.

The care summary was written by AI (Claude, Anthropic) from the sources on this page, with general growing knowledge where they are silent. Check before relying on it.

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