The species is long-lasting and can reach an age between 500 and 1000 years.

In its natural environment, this tree usually reaches reproductive maturity at the age of 50 years (even 80 years, if the conditions are more extreme).

The very similar Siberian pine (Pinus sibirica) is treated as a variety or subspecies of Swiss pine by some botanists. The Siberian pine differs in having slightly larger cones, being more massive (taller, wider trunk),

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