Various types of meadow rue are very common wildflowers in public woodlands and meadows, so you might be tempted to dig up one while on a recreational hike to move into your garden. This is not recommended for several reasons. Some of these species resent being transplanted, and more often than not, the wild plant you dig up from a native woodland or meadow will fail to survive the move. Second, digging up wild species from public lands is often illegal. The legalities should be checked before you consider collecting any wild plant species. A more appropriate strategy is to collect seeds from an established plant after seeking permission from a landowner or public agency. Or better yet, ask for some seeds from another gardener who is growing the plant you want.