1. Pre-heat your oven to 200 degrees and line a baking sheet with foil. 2. Clean the pine cones before you put them in the oven with warm water and white vinegar, making sure they are fully ...
"There's basically no live trees, and there's no natural regeneration happening," Kittler said. Once the pine cones are collected, they're brought to a network of nurseries, where the seeds are ...