Stop Fungus Gnats in Your Home!, Tiny black flies around your houseplants?, Theyre fungus gnats, and their larvae can damage plant roots., Quick Fixes:, 1 Let the soil dry, 2 Use yellow Movable Flower Pots Tray with Universal Wheels Plastic Planter Caddy for Indoor and Garden Use from Dhgate Hoe price 45.5 Giant Bonsai Tree Made of Polygem for Stage Production Do you grow hellebores in pots?.. I do. They require a large container because they develop an extensive root system. I use them in my spring display with buttercup, ivy, pansies, grasses, spring 15 plants that are natural air purifiers for your home