The Seven Samurai of Weed Control

2. 'Thriller' lady's mantle
(Alchemilla mollis)

• Full sun to shade
• Clumping habit
• 12 to 18 inches tall; 24 inches wide
• Hardy in Zones 4 through 7
• Dense canopy of broad, scalloped leaves
• Pale yellow flowers from late spring to early fall
   

Photo: (cc) Leonora Enking/Flickr