The negative effects of burning bush show up in three big ways you should know about. It pushes native plants out of your local forests. It cuts the insect numbers that your birds need to survive. And it offers poor food value to the wildlife that spreads its seeds.
I saw this contrast with my own eyes at a nature preserve near my home two summers ago. One section of forest had a thick wall of burning bush choking the understory. The area was green but eerily quiet. Almost no bird calls. Very few butterflies. Then I walked fifty yards into a section where crews had pulled the burning bush out and planted native spicebush. That patch buzzed with life. I counted eight bird species in ten minutes.
You can track the burning bush biodiversity loss in your own area by watching what happens to native plants. Burning bush moves into a forest and forms dense stands. Those stands block light from hitting the ground. Your native dogwood, spicebush, and viburnum can't compete and die off. Those native plants fed dozens of insect species that evolved to eat them. When you lose the plants, you lose the insects too.
Doug Tallamy's research shows that nesting songbirds need between 6,000 and 9,000 caterpillars to raise one clutch of chicks. A forest full of burning bush makes almost none of those caterpillars. Your native shrubs support them. Burning bush doesn't. That gap in the food chain hits your local bird numbers hard over time.
The USDA Forest Service found that burning bush invades even closed forests that you'd expect to resist it. It was the top woody invader in Illinois hill prairies. Deer browse on your native shrubs but skip burning bush. That gives it a huge edge in areas with lots of deer. The burning bush wildlife impact runs deeper than most people think.
Burning bush berries have less fat than native berries. Birds eat them and spread the seeds, but they get poor nutrition back. Your native shrubs give birds better fuel. It's a lopsided deal where the plant gains from wildlife while giving little back to your local ecosystem.
You can reverse this damage in your own yard by swapping burning bush for native options. Red chokeberry feeds over 20 bird species and gives you great fall reds. Winterberry holly supports at least 48 bird species through winter when food runs low. I planted both of these after I took my burning bushes out. Within two seasons, my yard had more birds than I'd ever seen. Your local wildlife will thank you for making the switch.
Read the full article: Burning Bush Shrub Care and Facts
