Spider plants are easy to propagate in water. Their "babies" can be snipped off and placed in a small amount of water until roots develop.
Pothos is a popular houseplant that easily propagates in water. Just cut a stem below a node, place it in water, and watch the roots grow.
Philodendrons can be propagated by placing cuttings in water. They require minimal water to grow new roots, making them a low-maintenance option.
Begonias can be propagated in water from leaf or stem cuttings. They only need a small amount of water to start forming roots.
Mint is easy to propagate in water. A small cutting placed in a glass of water will develop roots quickly, ready to be replanted.
Lucky Bamboo thrives in water and requires very little of it to propagate. Cuttings will quickly sprout roots in shallow water.
African Violet leaves can be propagated in a small amount of water. Simply place a leaf with the stem in water, and new plants will begin to form.