Warm weather will diminish spring effect, say gardeners

Warm temperatures could have implications for spring flowers, with less defined displays than in previous years, gardeners have suggested.

Warm weather is causing a number of plants to flower as much as two months earlier than usual. In 2010, the UK had one of the coldest Decembers on record.

But last year returned to warmer temperatures, which reached as high as 14.5 degsC. As a result, spring plants such as snowdrops, camellias and crocuses are already flowering, while some autumn-flowering plants have remained in bloom.

Ed Ikin, head gardener at the National Trust's West Sussex Nymans Estate, said the cold winters of the past three years led to more defined seasonal displays. "The danger of a milder winter is that there might be a less concerted spring display, with things coming out in dribs and drabs," he said.

Ikin added that some plants were flowering two months early. "At Nymans we haven't really had consecutive frosts," he said. "We've had two, but neither was particularly hard, not going below -3 degsC.

"The most distinctive example has been camellias, which we had flowering in late December. We also have two crocuses flowering and snowdrops are coming out.

"We are about two months ahead. The plants haven't had anything to tell them that it's winter. It's surprising that these natural mechanisms are often quite crude - it's just temperature."

Chris Clennett, garden manager at Wakehurst Place in West Sussex, added: "Plants we expected to finish one or two months ago have carried on and plants that would normally have stopped flowering carried on."

Have you registered with us yet?

Register now to enjoy more articles and free email bulletins

Sign up now
Already registered?
Sign in

Read These Next

Sargent's solutions: Why landscapers are better off keeping overall control of a project

Sargent's solutions: Why landscapers are better off keeping overall control of a project

Dividing up contracts can make it harder for landscapers to retain control of their projects, Alan Sargent warns.



Attractive ornamental pear trees are great for street planting as well as gardens, writes Miranda Kimberley.



These tough, long-lived, ground-cover plants are great in borders, rock gardens paths and walls, says Miranda Kimberley.


The Horticulture Week Business Awards is now open for entries

Horticulture Jobs


Build your business with the latest public sector tenders covering landscape, arboriculture, grounds care, production and kit supplies. To receive the latest tenders weekly to your inbox sign up for our Tenders Tracker bulletin here.

Are you a landscape supplier?

Horticulture Week Landscape Project Leads

If so, you should be receiving our new service for Horticulture Week subscribers delivering landscape project leads from live, approved, planning applications across the UK.

Horticulture Week Top 50 Landscape and maintenance contractors

See our exclusive RANKING of landscape and maintenance contractors by annual turnover plus the FULL REPORT AND ANALYSIS


Free to subscribers, the essential guide for professional plant buyers

Download your copy

Products & Kit Resources