Invasive Plants: Why to Avoid Exotic Species in Your Garden

Invasive plants are non-native species that spread aggressively, damaging ecosystems and outcompeting natives. Unlike weeds (which mainly annoy people), invasives harm wildlife and agriculture.

Case Study: Multiflora Rose

Imported from China (1866) as rootstock, later promoted for erosion control. Birds spread seeds widely. Now it overwhelms native habitats, eliminates food/nesting sites, and is extremely difficult to eradicate.

Prevention Strategies

• Consult your state DNR or Extension for local invasive lists.
• Remove existing invasives; don’t plant them.
• Learn all common names to avoid accidental purchases.
• Border wild areas? Design with natives only (e.g., woodland garden).
• Use systemic herbicides only as last resort.

New exotic plants carry unknown invasive potential. Responsible gardening means choosing known-safe species to protect local ecology.