I read somewhere that a Monstera leaf can grow up to 90cm (3 ft). The largest leaf on this one is more or less exactly 90cm and I noticed today that a One of the top things to learn as a plant parent, when to water. Here are a few methods to help you check before you water. #wateringplants #plants #plantcare #planttips #plantsofinstagram Philodendron radiatum Schott Plants of the World Online Kew Science Ashley has had this gigantic Philodendron Selloum for years! She was definitely overdue for some fresh soil and support. , We were both expecting a larger root system, but after breaking up all the