25 Types of Succulents + Pictures Bob Vila If your succulents keep rotting or looking unhealthy, the problem is usually the soilnot the plant. Succulents need a fast draining soil mix that doesn't hold water for too long. In their natural Haworthia Cooperi Succulent Lovehopegrow It's day 2 of Monarch Blitz! Swamp milkweed seeds can be harvested when their seed pods dry and crack open. Gently snip the pods from the plant and use your fingers to "