The staghorn fern is an epiphyte, a plant that grows on trees rather than in soil, and it looks the part: broad, antler-shaped fronds arch out from the flat shield fronds that clasp whatever it's mounted on. Grown on a board or in a hanging basket, it works more like living sculpture than a potted plant.

Give it bright, indirect light and decent humidity. Water by soaking the mount or root ball for ten minutes or so every week or two, letting it dry in between. It summers happily on a shaded porch; bring it in before frost.