The Geelong Botanic Gardens, in the city of Geelong, Victoria, Australia, is set on 200 acres, and were established in 1850. They are the fourth oldest botanic gardens in Australia. The garden contain singular trees listed under the National Trust of Australia (Victoria) Register of Significant Trees. Since development, the gardens have grown and transformed to include a variety of gardens and lawns, including the modern and innovative 21st century garden.
Over at the Geelong Botanic Gardens 21st Century Garden, the Phillip Island Hibiscus (off Norfolk Island) is putting on quite the floral performance and trust us this is no ordinary hibiscus. (Flowering May 2026).
This critically endangered species is only known to grow naturally in one place on Earth, Phillip Island. This species is said to take up to 18 years before flowering.
Phillip Island Hibiscus (Hibiscus Insularis) – Wikipedia
Its flowers are just as fascinating as its survival story. They open in a soft yellow cream colour in their female phase, before changing the following day into their male phase where they can self-pollinate. As they mature, the blooms deepen into pink and mauve hues.
The Phillip Island Hibiscus is a large shrub or small tree to 2.5 m high.
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Geelong Botanic Garden
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