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More than 10 degrees of warmth in the air allows the bird cherries to flower in south-eastern Estonia but on the north-western coast of Estonia the same tree only has “mouse ears“. The thick winter ice at sea has melted slowly and there is no warmth at all in the water. The difference in the progress of spring has grown quite large between these areas.

The white flowers of the bird cherry have a strong and overpowering fragrance – there are volatile compounds of toxic prussic acid (hydrocyanic acid) which can cause headaches in susceptible sensitive persons even in the forest. The flowering of the bird cherry has been noticeable everywhere – in the country and in the city ...