Gardening & Landscaping Watermelon Peperomia Care: How to Grow Peperomia Argyreia Indoors January 19, 2022 EHK Express 0 Comments Spread the love Although small, Watermelon Peperomia makes a dramatic houseplant. Find out how to water, fertilize, repot and grow Peperomia argyreia indoors. Source Tweet