Polypodium Aureum Mandalanum Crested: This unusual and hard to find variety, grows very well in baskets and containers, just need good drainage and filtered sunlight. It is a creeping, simi-evergreen fern that is large growing and has arching, oblong to triangular, grayish green and deeply pinnatifid fronds that are crested at the tips that can grow up to 5 feet long.