The modular plant support system is a modular trestle system adapted for use in horticulture. The modular plant support system comprises a plurality of stakes, a plurality of ties, and one or more interstake connectors. Each of the plurality of stakes further comprises a first plurality of hooks that provide vining and other growing plants climbing purchase points that allow plants to grow in a manner that optimizes exposure to sunlight and therefore plant yields. Each of the plurality of ties is a cord that is formed with a series of knobs that allows the plant to be secured to an individual stake without damaging the plant or constraining the growth path of the plant. Each of the one or more interstake connectors provides climbing purchases that allow a plant to expand in directions other than the vertical direction.
