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Protea belongs to the ancient plant family Proteaceae, which split into two subfamilies, Proteoideae and Grevilleoideae, before the separation of the Gondwanaland continent around 140 million years ago.
Protea coronata is an erect shrub that is usually around 2-3 m tall but occasionally taller. Stems have dense, long hairs, green leaves turning purplish around the flower head, and flowers are bright green with a white centre. Flowering occurs between April and September.
Prefers a rich, sandy, well-drained soil in an open sunny position, drought-resistant but frost tender.
Occurs naturally in the Western Cape of South Africa.
Near Threatened in the wild.
Although Proteaceae was first discovered by Europeans in 1597 and was the subject of a botanical illustration in 1605, the plant was first described as a distinct species according to the modern Linnaean system by the naturalist Robert Brown in 1810.
The best time to sow is usually autumn or spring when the temperature range is between 16-22°C, and there is a difference of day and night temperatures of around 12°C.
If your summers are hot and dry and winter is moderate and wet, autumn is the best time to sow.
In colder climates with less harsh summers, it is usually better to sow in spring.
Pre-treatment of smoke is recommended:
Members of the Proteaceae are responsive to pre-treatment of smoke. Although germination will often occur without smoke treatment, it has proved to be beneficial in reducing the number of days to germination and increasing germination rates in many species of the Proteaceae family.
Smoke treatments are simple and can be undertaken by soaking the seed overnight or applying it to the surface after sowing; both provide good results. Smoke treatments are available by clicking here.
*Please note: