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Budburst

Record oak (sessile) budburst when the scales burst to reveal the colour of the new green leaves. At a similar time, some buds will burst to reveal the male catkins. Record leaf budburst only.

If you have recorded oak (sessile) events before, continue to record on the same tree.

Expected Date Range: late March to early May

Available historic data: our dataset starts in 2000

Just right

  • Sessile oak budburst
    (Kylie Harrison Mellor/WTML)

Too early

  • Sessile oak budburst which is too early
    (Kylie Harrison Mellor/WTML)

Too late

  • Sessile oak budburst which is too late
    (Kylie Harrison Mellor/WTML)