Rafflesia: The World's Hardest Plant to Grow
Update: 2025-09-22
Description
Dr. Russell Sharp explores why Rafflesia arnoldii — the so-called corpse flower with the world\'s largest single bloom — is likely the most difficult plant to cultivate. He explains its parasitic lifestyle, dependence on a specific Tetrastigma vine host, short flowering window, dioecious reproduction, and rarity in the wild.
The episode contrasts Rafflesia with the more commonly cultivated titan arum, discusses thermogenesis and pollination strategy, and highlights why conserving native rainforests is essential for this species.
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