Native Plants in the Garden When gardening for wildlife, native plants are immeasurably preferable to nonnative species. Insects, including butterflies and moths, often have specific relationships with select native plants Astrantia major 'Masterpiece' Masterwort from Hoffie Nursery Knautia Macedonica The Perfect Companion Plant Alena Samoylenko Learn How to Propagate a Snake Plant: 4 Proven Methods Hosta Mighty Mouse Sugar Creek Gardens Sugar Creek Gardens Plant Nursery for Missouri & Illinois Quick tip. Algae control. I like to use 3% hydrogen peroxide to eradicate black beard and hair algae. Any algae, really. Hydrogen peroxide (H2O2) breaks down into water (H2O) and oxygen (O2).