Blue star fern Phlebodium 'Davana'Grey blue leaves. The blue star fern 'Davana' (Phlebodium aureum) can add colour to the darkest spots in your home. Whether you put them in the bathroom, toilet or bedroom, these easy to care for ferns look fantastic anywhere! This indoor plant is very easy to care for. Place your fern in partial shade. Always keep the soil moist, without letting the plant stand in water.