Spring is finally here. Warmer weather has returned, trees are coming back to life and the first flowers are waking from their winter slumber. While it may be tempting to rush outside and clean up the garden beds, now is actually not the time.

Many species of butterflies and moths, including swallowtails, fritillaries and luna moths, overwinter in leaf litter and the hollow stems of last year’s plants. Fireflies and many native bee species do the same. These insects rely on this natural debris to survive the winter months.

Most remain dormant until temperatures are consistently above 50 degrees, which usually doesn’t happen here in Central Pennsylvania until late April or early May. A good rule of thumb is to wait until Mother’s Day weekend before cleaning out garden beds.

Cleaning gardens too early can unintentionally destroy these important insects before they have a chance to emerge. Fireflies, for example, spend the winter as larvae in leaf litter. Their numbers have been declining in many areas, and early garden cleanup is one factor contributing to that decline.

Our native bees are also incredibly important. They pollinate about 80 percent of flowering plants, often more effectively than honey bees. Many species nest and overwinter in the hollow stems of last year’s plants or beneath the protective layer of leaf litter in our gardens. When these stems are cut down or leaves are removed too early, we may unknowingly destroy the very places these essential pollinators are sheltering.

Unfortunately, many native bee species are already in decline, with several now listed as endangered. One small but meaningful way we can help is simply by leaving our gardens undisturbed a little longer each spring.

It may not look perfectly tidy, but sometimes what’s best for wildlife isn’t the neatest option. By leaving our gardens a little “messy” for a few extra weeks, we provide critical habitat for pollinators and other beneficial insects.

Sometimes the best thing we can do for nature is simply wait—because what looks like a messy garden may actually be a lifeline for the wildlife that keeps our world blooming.