Simplify indoor plant care with the 5-inch Washboard self-watering planter from Posie Pots. Its textured, ribbed design adds distinctive style to desks, shelves, and small spaces, while the patented reservoir provides steady hydration below the soil. Refill about once a month, depending on growing conditions. Lightweight and made from sustainable corn-based material, it’s ideal for pothos, spider plants, African violets, ferns, and other medium houseplants.