ICP Forests Forest Focus Level II Phenology Pine

	Scots pine (Pinus sylvestris L.)	Needle appearance Flowering Autumn colouring

Needle appearance in Scots pine

			Closed buds in Scots pine
	Photo: Robert Breugger	Photo: Egbert Beuker
			Bud elongation before needle appearance in Scots pine. The buds have flushed and the green of the new needles is clearly visible
			Needle appearance in Scots pine at the defined stage. The new needles are unfolded and the needles are fully visible
Photos: Eija Matikainen

Flowering in pines

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).

		Female flowering in Scots pine
		Male flowering in Scots pine
Photos: Teijo Nikkanen

Autumn colouring in pines

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

		Autumn colouring of the oldest green
		shoot in Scots pine
	Photos: Egbert Beuker

Updated: May 25, 2004 /Emat

ICP Phenology:Scots pine

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