Why dark wood is at the heart of a tree trunk

Walter Reeves answers Atlanta-area lawn and garden questions, including why many tree trunks have a dark core in the middle, and what to use in a butterfly puddle.

12 Species of Alder Trees for Your Yard

Wood Structure

United forever: heart with initials P+S in tree bark - a Royalty Free Stock Photo from Photocase

Damaged beech trunk, partial view with incised name PAUL, monochrome - a Royalty Free Stock Photo from Photocase

Tectona grandis, a irregular black streaks that often appear in the

Talking Tree, Darkwood Wiki

Premium Photo Vertical background with heart shaped tree trunk in autumn park textured and cracked dark stump

What's wrong with my trees? Heart rot disease

What is the pattern in this tree? : r/arborists