Mary Todd Daylily

Mary Washington Asparagus

Matrix Lily

Maverick Rose Geranium

Maverick Star Geranium

Max Frei Cranesbill

May's Delight Flowering Crab

McKana Blue Columbine

McKana Purple Columbine

McKana Red Columbine

McKana Yellow Columbine

Meadow Phlox

Medallion Lily

Medora Juniper

Melody Geranium

Merlin's Magic Coleus

Mesa Verde Spruce

Milk and Honey Astilbe

Milkshake Coneflower

Milky Way Lungwort