Scots pine (Pinus sylvestris L.)

Phenological phases



Needle appearance

Closed buds

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Photos: Robert Breugger / Egbert Beuker


Bud elongation before needle appearance.

The buds have flushed and the green of the new needles is clearly visible.

pine_needles_03 pine_needles_04

Photos: Eija Matikainen


Needle appearance at the defined stage

The new needles are unfolded and the needles are fully visible.

pine_needles_05 pine_needles_06

Photos: Eija Matikainen



Flowering

Female flowering / Male flowering

The flowers of male (staminate) inflorescence are open and begin to release yellow pollen. On windy days the release of pollen is visible. When releasing pollen, male (staminate) inflorescence are yellow-brown to yellow.

pine_flowering_01 pine_flowering_02

Photos: Teijo Nikkanen



Autumn colouring

Autumn colouring of the oldest green shoot

During late summer/autumn several pine species drop the needles of the oldest green shoots.

pine_colouring_01 pine_colouring_02

Photos: Egbert Beuker



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