'Blue & White' Iris: barbatus 'Blue Acres' Creeping Juniper
'Blue Alberta' White Spruce Blue Aloe
'Blue Angel (Blekitny Aniol)' Hybrid Clematis 'Blue Angel' Gentian Sage
Blue Ash 'Blue Asterisk' Tall Bearded German Iris
Blue Balsam Mint Blue Beaked Yucca (spp.)
Blue Beaked Yucca 'Rosenkuppel' 'Blue Bedder' Foothill Penstemon
Blue Beech 'Blue Billow' Sawtooth Hydrangea
'Blue Blazes' Hosta Blue 'Blue Shades'
Blue Bottle (spp.) Blue Bottle 'Florence White'
'Blue Bouquet' Spike Speedwell 'Blue Boy' Hosta
Blue Brush (spp.) Blue Brush 'Skylark'
Blue Bugleweed (spp.) 'Blue Bunny™' Bracted Hydrangea
'Blue Butterfly' Dwarf Delphinium 'Blue Buttons' Ceanothus: hybrid
'Blue Cadet' Hosta Blue Camas White
Blue Candle Blue Cap (spp.)
Blue Cap 'Blaukappe' Blue Cap 'Jade Frost'
Blue Cardinal Flower (spp.) Blue Cardinal Flower 'Blue Selection'
'Blue Carpet' Flaky Juniper Blue Chalksticks
'Blue Chiffon™' Rose of Sharon Blue China Fir
'Blue Chip' Creeping Juniper Blue Clematis (spp.)
Blue Clematis 'Hanajina' Blue Clematis 'Rosea'
'Blue Clips' Tussock Bellfower Blue Corydalis 'China Blue'
Blue Creeping Juniper Blue Cupidone (spp.)
Blue Cupidone 'Cupid's Dart' 'Blue Cups' Hosta
Blue Cycad Blue Daisy Bush 'Blue Gem'
Blue Daisy (spp.) Blue Daisy 'Read's Blue'
Blue Daisy Variegated 'Blue Danube' Garden Ageratum
'Blue Danube' Savin Juniper 'Blue Danube' Stokes' Aster
Blue Devil 'Blue Dimples' Hosta
Blue Dogbane (spp.) Blue Dragon Spruce
Blue Eastern Red Cedar Blue Elder
Blue Elderberry Blue Eucalyptus (spp.)
Blue Euphorbia 'Blue Eyed Beauty' African Daisy: ecklonis
Blue False Indigo Blue Fan Flower (spp.)
Blue Fan Palm Blue Fescue 'Boulder Blue'
Blue Fescue 'Golden Toupee' Blue Finger
Blue Flame Blue Flax (spp.)
Blue Flax 'Nanum Sapphire' Blue Flax: lewisii
'Blue Fortune' Mexican Hyssop 'Blue Gem' Blue Daisy Bush
'Blue Gem' Hebe: franciscanahybrid Blue Giant Hyssop 'Golden Jubilee'
Blue Ginger Blue Globe Onion
'Blue Glory' Scrambling Sky Flower 'Blue Glow' Globe Thistle
Blue Grama Grass Blue Grass
Blue Gum (spp.) Blue Gum: globulus maidenii
Blue Hibiscus (spp.) Blue Hibiscus 'Santa Cruz'
Blue Holly (spp.) Blue Holly 'Blue Prince®'
Blue Holly 'Blue Princess®' Blue Holly 'Castle Spire®'
Blue Holly 'Castle Wall™' Blue Holly 'Honey Maid™'
'Blue Horizon' Garden Ageratum Blue Huckleberry
'Blue Ice' Bog Rosemary Blue Japanese Oak
Blue Japanese White Pine 'Blue Jeans' Holly Leaf Mountain Lilac
'Blue Knoll' Blue Mist Spirea 'Blue Lagoon' Verbena
Blue Latan Palm Blue Lechuguilla Century Plant
Blue Leschenaultia 'Blue Light' Blue Pimpernel
Blue Lilyturf (spp.) Blue Lilyturf 'Big Blue'
Blue Lilyturf 'Ever Green Giant' Blue Lilyturf 'Gold Band'
Blue Lilyturf 'John Burch' Blue Lilyturf 'Monroe White'
Blue Lilyturf 'Riegel's Big Blue' Blue Lilyturf 'Royal Purple'
Blue Lilyturf Variegated Blue Limber Pine
'Blue Lisa' Prairie Gentian Blue Love Grass 'Pmint Rosita'
Blue Love Grass 'Wind Dancer' Blue Lungwort (spp.)
Blue Lyme Grass Blue Mallee
Blue Marguerite (spp.) Blue Marguerite 'Read's Blue'
Blue Marguerite Variegated 'Blue Mat' Creeping Juniper
'Blue Mirror' Dwarf Delphinium 'Blue Mirror' Tickseed
'Blue Mist' Dwarf Fothergilla Blue Mist Flower
Blue Mist Spirea (spp.) Blue Mist Spirea 'Arthur J. Simmonds'
Blue Mist Spirea 'Blue Knoll' Blue Mist Spirea 'Dark Knight'
Blue Mist Spirea 'Kew Blue' Blue Mist Spirea 'Lil Miss Sunshine™'
Blue Mist Spirea 'Longwood Blue' Blue Mist Spirea 'Petit Bleu™'
Blue Mist Spirea 'Worcester Gold' Blue Monk's Hood
'Blue Moon' Blue Phlox 'Blue Moonlight' Tussock Bellfower
'Blue' Mountain Bluet 'Blue Mouse Ears' Hosta
'Blue Muffin®' Arrowwood Viburnum Blue Myrtle Cactus
Blue Oak Blue Oat Grass (spp.)
Blue Oat Grass 'Sapphire' Blue Oatgrass (spp.)
Blue Oatgrass 'Sapphire' 'Blue Pacific' Shore Juniper
Blue Palmetto 'Blue Paradise' Summer Phlox
Blue Passion Flower (spp.) Blue Passion Flower 'Constance Eliott'
Blue Pea 'Blue' Peach Leafed Bellflower
'Blue Peckle' Bigleaf Hydrangea 'Blue Pfitzer' Chinese Juniper
Blue Phlox (spp.) Blue Phlox 'Blue Moon'
Blue Phlox Dwarf Blue Phlox 'Montrose'
Blue Pigmy Blue Pimpernel 'Blue Light'
Blue Plumbago Blue Poppy (spp.)
Blue Poppy 'Lingholm' Blue Porterweed
Blue Potato Bush (spp.) 'Blue Prince®' Meserve Holly
'Blue Princess®' Meserve Holly 'Blue Pyramid' Arizona Cypress
'Blue Queen' Meadow Sage Blue Rat's Tail 'Prostrate Blue'
'Blue Reverie' Siberian Iris Blue Ridge Wakerobin
'Blue Rug' Creeping Juniper Blue Sage
Blue Salvia (spp.) Blue Salvia 'Argent'
Blue Salvia 'Signum' Blue Salvia 'Strata'
Blue Salvia 'Victoria Blue' Blue Salvia: superbahybrid (spp.)
Blue Salvia: superbahybrid 'Merleau' Blue Sedge (spp.)
Blue Sedge 'Blue Zinger' 'Blue Selection' Great Blue Lobelia
'Blue Shades' Blue 'Blue Shades' Columbine
'Blue Shamrock' Fan Flower 'Blue Sheen' Prostrate Speedwell
'Blue Showers' Water Hyssop Blue Shrimp
Blue Shrimp Plant (spp.) Blue Snakeweed
Blue Spanish Fir Blue Spiderwort
'Blue Spike' Grape Hyacinth 'Blue Spire' Russian Sage
'Blue Spruce' Reflexed Stonecrop Blue Spruce (spp.)
Blue Spruce 'Argentea' Blue Spruce 'Bakeri'
Blue Spruce Dwarf Blue Blue Spruce 'Endtz'
Blue Spruce 'Erich Frahm' Blue Spruce 'Fat Albert'
Blue Spruce 'Glauca Compacta' Blue Spruce 'Glauca Globosa'
Blue Spruce 'Globosa' Blue Spruce Golden
Blue Spruce 'Hoopsii' Blue Spruce 'Iseli Fastigiata'
Blue Spruce 'Iseli Foxtail' Blue Spruce 'Koster'
Blue Spruce 'Moerheimii' Blue Spruce 'Montgomery'
Blue Spruce 'Prostrate Blue Mist' Blue Spruce 'Ruby Teardrops'
Blue Spruce 'St. Mary's Broom' Blue Spruce 'Thompsen'
Blue Spruce 'Thume' Blue Spruce: pungens glauca
'Blue Star' Flaky Juniper Blue Star (spp.)
Blue Star, Arizona Blue Star, Eastern
Blue Star, Stiff Blue Star: tabernaemontana montana, Eastern
Blue Stem Grass (spp.) Blue Stem Grass 'The Blues'
Blue Stonecrop 'Angelina' Blue Stonecrop 'Blue Spruce'
Blue Succory (spp.) Blue Succory 'Cupid's Dart'
'Blue Sunrise' Hybrid Geranium Blue Throatwort
'Blue Troll' Bush Violet Blue Trumpet Vine
'Blue Umbrellas' Hosta 'Blue Uniform' Tussock Bellfower
'Blue Vase' Chinese Juniper 'Blue Velvet™' St. Johnswort: Hypericum
Blue Vine 'Blue Wave' Bigleaf Hydrangea
'Blue Wave™' Garden Petunia 'Blue Wedgewood' Hosta
Blue Wild Indigo Blue Wild Rye Grass
'Blue Wonder' Catmint Blue Yucca
'Blue Zinger' Blue Sedge Bluebeard 'Snow Fairy'
Bluebeard (spp.) Bluebeard 'Arthur J. Simmonds'
Bluebeard 'Blue Knoll' Bluebeard 'Dark Knight'
Bluebeard 'Kew Blue' Bluebeard 'Lil Miss Sunshine™'
Bluebeard 'Longwood Blue' Bluebeard 'Petit Bleu™'
Bluebeard 'Worcester Gold' Bluebeard: incana (spp.)
Bluebeard: incana 'Jason(Sunshine Blue®)' Bluebell Barleria (spp.)
Bluebell Barleria Variegated Bluebell (spp.)
Bluebell 'Olympica' Bluebell, California
Bluebell, Desert Bluebell, Mexican 'Katie Pink'
Bluebell, Texas (spp.) Bluebell, Texas 'Blue Lisa'
Bluebell, Texas 'Forever Blue' Bluebell, Texas 'Yodel Blue'
Bluebell, Tufted Bluebells
Bluebells, Siberian Bluebells, Spanish (spp.)
Bluebells, Spanish 'White City' Blueberry Ash
Blueberry Climber (spp.) Blueberry Climber 'Elegans'
Blueberry Tree Blueberry 'Chippewa'
Blueberry 'Duke' Blueberry 'Pink Lemonade'
Blueberry, American (spp.) Blueberry, American 'Herbert'
Blueberry, American 'Sunshine Blue' Blueberry, Highbush (spp.)
Blueberry, Highbush 'Herbert' Blueberry, Highbush 'Sunshine Blue'
Blueberry, Japanese Blueberry, Lowbush
Blueberry, Mountain Blueberry, Northern Lowbush
Blueberry, Swamp (spp.) Blueberry, Swamp 'Herbert'
Blueberry, Swamp 'Sunshine Blue' Blueberry: persicaefolius
Blueblossom (spp.) Blueblossom 'Skylark'
Bluebunch Fescue (spp.) Bluebunch Fescue 'Siskiyou Blue'
Bluecurls, Mountain Bluecurls, Parish's
Blue-eyed African Daisy Blue-eyed Grass (spp.)
Blue-eyed Grass 'Rocky Point' Blue-eyed Grass: angustifolium
Blue-eyed Mary (spp.) Blue-eyed Mary 'Joy Skies'
Blue-eyed Mary 'Starry Eyes' Blue-eyed Mary: verna (spp.)
Blue-eyed Mary: verna White Blueflag, Harlequin
Bluegrass, Annual Bluegrass, Rough
Bluegrass, Rough-Stalk Bluejack Oak
'Bluer Heinz' Boxwood 'Blues Festival™' Kalm St. Johnswort
Bluestar (spp.) Bluestar, Eastern (spp.)
Bluestar, Large-Flowered Bluet, Azure
Bluet, Mountain (spp.) Bluet, Mountain 'Blue'
Bluet, Mountain 'Gold Bullion' Bluet, Mountain Golden
Bluet, Mountain White Bluets
Blueweed Bluewings (spp.)
Bluewings 'Clown™ Mix'