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Climate change + flower shows = "unprecedented challenges"

"Last month's record temperatures mean that spring is up to a month in advance of its normal period over much of the country - and as a result, the flowers being carefully nurtured for Chelsea, which opens a week on Monday, have been blooming far too early.

A panoply of gardening tricks is having to be employed by growers to hold back the march of nature and keep prize specimens from "going over" before the Royal Horticultural Society's flagship annual event, one of the world's premier gardening festivals. Those tricks range from cold stores and dark tunnels, to constant movement of plants in and out of light and warmth, repeated deadheading - and even individual "straitjackets" for flower buds.

Another problem has been a plague of pests. Jekka McVicar, who is growing organic herbs at Alveston, near Bristol for her Chelsea exhibit, has found so many greenfly on plants such as lettuce and mint that she has had to brush them off with a dry paint brush (not being able to use pesticides as an organic grower). "It's very time-consuming," she said.

Chris Beardshaw, who is recreating an Edwardian country house garden, said that columbines, for example, which had already flowered, were having to be replaced with achilleas. "Normally you would not expect achilleas to flower until late June or even early July," he said." LINK

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