Knobcone Pine is defined by its remarkable cones, which are asymmetrical, strongly reflexed, and held in tight whorls around the trunk and main branches — sometimes encased in bark as the tree grows around them. The cones are strongly serotinous, remaining sealed for decades until fire melts the resin. After a stand-replacing fire, serotinous cones release a massive pulse of seeds. The species grows in dry, rocky, often serpentine soils where other trees struggle, and fire is an essential part of its ecology.
Best time to see a Knobcone Pine
The best time to see a Knobcone Pine is February–July, when about 60% of U.S. sightings happen, based on 1,450 research-grade iNaturalist observations.
Not certain it is a Knobcone Pine? What plant is this? walks through what to check first and the lookalikes that catch people out.
Recent Knobcone Pine sightings near you
Live, research-grade observations from iNaturalist. Allow location to center the map on you.
Spotted a Knobcone Pine?
Point Huck at any plant, bird, or animal and know for sure - plus a live map of where it is being spotted near you.