With recent press about wildlife gardening and drought-resistant planting, you may have decided to grow a wildflower meadow. But what do you need to do to establish one? 1) Choose your type of meadow: annual or perennial? Perennial wildflower meadows need poor soil, because then grasses compete less with the wildflowers. Annual meadows need rich soil, so are ideal if you’re converting an existing garden border. If your heart is set on a perennial meadow, then you may want to remove the top layer of soil, and rotavate and sow directly into the subsoil. 2) When Should You Sow Your Seeds?...