The Netherlands

5 March 2017

Spring events like Lesser celandine and Sweet violet currently start on average 13 days earlier than they used to do 50 years ago. However, the timing is comparable with the average of the past 15 years. It is mainly the very warm February that with an average temperature  of 5.1 °C, 2.8 °C warmer than normal, that led to a speeding up of the plant growth after the relatively cold January. We predict the start of flowering of Wood anemone on 19 March and Marsh-marigold on 31 March, two weeks earlier than the average 50 years ago and equal to the average of the past 15 years.

 

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