By James G. Weisiger

Over the years, golf courses have taken the role of environment conservation very seriously, and they continue to play an important role in supporting local ecosystems. One way they have done this is by incorporating milkweed into golf course landscaping.

Milkweed is a perennial plant that is commonly found in fields, meadows and other open spaces. It is also the primary host plant for monarch butterflies, which depend on milkweed to lay their eggs and provide food for their larvae. Unfortunately, milkweed populations have been in decline in recent years, which has contributed to the reduction of monarch populations. Incorporating milkweed into golf course landscapes is one way we can help monarch butterflies, while also offering several other benefits.

To be clear, milkweed habitat loss is one of at least three theories used to explain why we see fewer monarchs today. A second theory is focused on finding what may be causing increased monarch mortality during their autumn migration, resettlement and overwintering period in Mexico. A third theory suggests reduced monarch breeding success is related to climate change. Therefore, multiple factors may be responsible for monarch decline, with its food source being one.

First and foremost, incorporating milkweed helps support the local ecosystem by providing habitat for monarch butterflies and other pollinators. As more and more natural habitats are lost to development, golf courses play an important role in providing these important species with a place to thrive. In addition to monarchs, milkweed also supports a variety of other pollinators, including bees, wasps and flies.

Milkweed also helps improve the overall health and biodiversity of the golf course ecosystem. By providing food and habitat for pollinators, milkweed supports a wide variety of plants and animal species that depend on these pollinators for survival. This creates a more resilient and diverse ecosystem that is better able to withstand environmental stressors such as climate change.

Another benefit of incorporating milkweed in golf course landscaping is that it can help reduce the need for chemical pesticides and fertilizers. Milkweed is naturally resistant to many common pests and diseases, which makes it a welcome low-maintenance addition on golf courses. Additionally, milkweed is able to thrive in poor soil conditions, which means it does not require nitrogen fertility inputs as other plants might.

Finally, incorporating milkweed into golf course landscaping is a simple yet effective way to support local ecosystems and improve the overall health and biodiversity of the golf course environment. By providing habitat for monarch butterflies and other pollinators, milkweed creates a more resilient and diverse ecosystem that is better able to withstand environmental stressors. Additionally, milkweed improves the aesthetic appeal of golf courses without additional inputs of chemical pesticides and fertilizers.

So, the next time you hit the links, take a moment to appreciate the important role that milkweed can play in supporting local ecosystems and consider how you might be able to incorporate native milkweed species (a total of 22 exist in Illinois) into your own golf course landscaping.