Possible Clues:

• Leak report of remarkable danger in Spud's patch
• Good place for a green thumb
• Carrot patch, e.g.
• Ground for growing cabbage or cauliflower
• Where Peter Rabbit becomes the source of plot holes?
• See 8-Down
• Where one used to Dig for Victory and become competent to tackle danger?
• White House lawn patch, since spring
• Where to grow carrots and spinach
• Squash site