Antique Corn Planter by D Hackett Lavender: How to Grow and When to Plant in Your Backyard or Patio Garden! From Seed to Spoon Vegetable Garden Planner Mobile App How to propagate succulents from individual leaf cuttings Espoma Organic Many common plants produce edible seeds, nuts, roots, and pollen but only when harvested correctly and identified with certainty. These examples show why knowing plants matters more than collecting randomly.