Grow Monster Cosmos The cosmos thrives in drought conditions. But complete neglect will kill it while too much of the opposite will produce, as my frustrated neighbor calls it, ?straggly weeds?. Here are my rules for growing towering Cosmos:1.Choose a garden bed in full all-day sun. Cosmos love heat and hate the shade. Good air circulation is always a plus. 2.Start from seed. Your plants will grow a stronger root...... Similar Editorial : Think and Grow Well by World Image Naturals, Inc.. | Source : Bougainvillea