Satsuki Azalea DT3066AZ Today is #NationalHousePlantDay Many of the plants commonly found in homes contain oxalate crystals which can be toxic. Oxalate crystals are tiny, sharp crystals that are found in all parts of the Amazon.com: ST4U Hanging Basket Chains 4 Point Heavy Duty Black Metal Chain Hangers with 4 Clip Hook for Hanging Plants Flowers Baskets Pot 15.75 inch : Patio, Lawn & Garden Best kept hanging fern secrets , 1. Take your fern out of the plastic pot it comes in from the nursery. Most likely, your fern is choking to death and needs some breathing room! If you can aim