Big Sky Twilight Coneflower

Big Time Happy Daylily

Bill Reid Rose

Birch Hybrid Bellflower

Bitsy Daylily

Black Baccara Rose

Black Barlow Columbine

Black Eyed Angels Larkspur

Black Eyed Susan Daylily

Black Flag Iris

Black Hawk Mountain Ash

Black Hills Spruce

Black Jack Stonecrop

Black Lace Elder

Black Negligee Bugbane

Black Satin Thornless Blackberry

Black Scallop Bugleweed

Black Stockings Meadow Rue

Blackjack Lily

Blanc Double de Coubert Rose