Related Clues:

• Word with ''ho!''
• Undercover agent
• Shrub or bush
• See 6 Across
• Touch down, as a plane
• Greenhouse purchase
• Crow's-nest call
• See 20 Across
• Come down to earth
• Hit the runway
• Settle on the tarmac
• Come ashore
• Something you may do in the spring
• Part of the flora
• Hit the dirt?