Which pine tree produces the heaviest cones?
Siberian pine
Japanese red pine
Canary Island pine
Coulter pine
The Coulter pine is a native of the coastal mountains of Southern California and northern Baja California (Mexico). The outstanding characteristic of this tree is the large, spiny cones which are 20–40 cm long, and weigh 2–5 kg when fresh. When working in Coulter pine groves, people are actually advised to wear hardhats so they won't get injured.
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Answers by country
Siberian pine
Japanese red pine
Canary Island pine
Coulter pine
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