by a sharp knife on a firm surface.

White spruce cones reach their maximum size after 800 GDD. Cone moisture content decreases gradually after about 1000 GDD.

Cone colour also can be used to help determine the degree of maturation, but cones may be red, pink or green. Collection and storage dates and conditions influence germination requirements and early seedling growth.

1 impbsh, which may contain 6,500

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