Hand Pollination of ‘Sapphire Tower’ Helps Rare Plant Survive–Only Blooming Every 20 Years
At the Birmingham Botanical Gardens (BBG), a plant that most people will never see flower has sprouted its azure blooms for the first time in over 10 years. This incredibly rare event has turned the plant, a bromeliad called Puya alpestris into a “sapphire tower.” Native to the Chilean Andes at altitudes above 6,000 feet, P. alpestris is […]
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