Found 2 Results for change color.Showing 1 to 2.
1.
Contribution Of Trees And Shrubs
When grown outdoors this variety begins to
change color early in July. Blue becomes a bluish green, often with pink edges.
http://www.fun-home-projects.com/crafts/dried_flower_arranging/contribution_of_trees_and_shrubs.html
2.
Glycerin Method
This will not be difficult to determine since leaves in solution
change color and, by looking at the edges, you can tell if they have absorbed all the solution they need.
http://www.fun-home-projects.com/crafts/dried_flower_arranging/techniques_of_drying_pressing_skeletonizing/glycerin_method.html