Milkshake Coneflower

Milky Way Lungwort

Mini Stella Daylily

Miranda Lily

Miss Ellie Garden Phlox

Miss Manners Obedient Plant

Misty Lace Goatsbeard

Monarch's Velvet Cinquefoil

Monet Coral Bells

Monte Carlo Tulip

Monte Negro Lily

Montgomery Japanese Astilbe

Moonbeam Tickseed

Moonlight Blues Larkspur

Moonlit Masquerade Daylily

Morden Canary Chrysanthemum

Morden Candy Chrysanthemum

Morden Fiesta Chrysanthemum

Morning Lilac Peony

Moss Phlox