How often to water Monstera plants? A main factor when it comes to Monstera plant care is water. Too little water can lead to these aroid plants suffering while too much can cause rot. Learn when and how to water your Monstera right to ensure that your houseplant is healthy and happy in our complete Monstera plant care guide. Tip: different Monstera types, eg: Adansonii, Deliciosa, Variegata, Monstera Aurea, Obliqua have similar water needs.