Tree philodendron and monstera can look similar enough in a shop that the wrong label goes unnoticed. Before planning a support or choosing a permanent position, confirm the identity and growth habit.
Ask for the botanical name and examine the stems as well as the leaves. A juvenile leaf may not show the form you expect from a mature photograph.
Plan for the mature plant
Consider how the plant will occupy the room as it grows. Examine whether the plant is developing a thick trunk, elongated climbing stems or aerial roots, and plan space for its mature form. Older tree philodendrons can also lean or climb with support; climbing alone does not distinguish them from monstera.
Keep a clear route for watering, checking the root ball and inspecting the backs of leaves. A plant placed permanently against a wall can be difficult to examine just where problems become easiest to miss.
Save the label and a whole-plant photograph at purchase. If the identification is later questioned, those records help trace what was supplied. Do not choose a care guide solely because its photograph has a similar split leaf. Stem structure, growth habit and reliable naming belong in the decision too.
NC Extension records trunk development and aerial roots in tree philodendron, including older growth that reclines or climbs with support. University of Minnesota Extension describes Monstera deliciosa as a climber. Growth habit helps, but ‘can it climb?’ is not a yes-or-no identification key.
Related reading: Tree Philodendron vs Monstera: Leaves, Stems and Habit.