Botanic garden prepares for hotter and drier summers with plants needing less irrigation
However, despite the plants – including little bluestem grass, pale purple coneflowers and rough blazing stars – being naturally adept to warmer climes, Parkinson said the dry summer had already slowed progress.
“It’s not that these seeds won’t germinate but they are sitting dormant because the conditions have been very dry. That means the seed either hasn’t germinated or it has germinated and the seedlings are alive but they just haven’t had enough water to turn into a flower above ground. Pioneer plants, such as black-eyed Susans, have already come through, creating a blaze of yellow flowers across the landscape. In time, those plants will diminish and the grasses start to appear.
“There are big changes happening at Wakehurst because we can’t pretend that climate change isn’t happening,” Parkinson added. “We have to take action and undertake research, which will inform our decisions moving forward.
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