what plants pair well with guppies?

[goldfishy]

For a 20 gallon, you could also try floating plants like Frogbit. They're great for shading and guppies love the roots. Just thin them out occasionally so they don't block all the light.

Frogbit is a great idea! It's easy to manage and helps with water quality. Just be ready to scoop out extras every week or so.