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First leaf

Record first leaf when the needles are still joined in the bud cover, but the tops of the needles have separated.

If you have recorded European larch events before, please continue to record on the same tree.

Expected date range: mid March to early May

Available historic data: we have some records from 1979-1999 

Just right

  • European larch first leaves
    (Judith Garforth/WTML)

Too late

  • (Judith Garforth/WTML)