Azure Monkshood
Aconitum carmichaelii
Azure Monkshood
Aconitum carmichaelii 'Arendsii'
Common Monkshood
Aconitum napellus
Lilyleaf Ladybells
Adenophora lilifolia
Blue Fortune Agastache
Agastache 'Blue Fortune'
Anise Hyssop
Agastache foeniculum
Fragrant Delight Hyssop
Agastache foeniculum 'Fragrant Delight'
Black Hollyhock
Alcea rosea 'Nigra'
Allium Globemaster
Allium 'Globemaster'
Allium Purple Sensation
Allium 'Purple sensation'
Arkansas Amsonia (Bluestar)
Amsonia hubrectii
Willow Amsonia
Amsonia tabernaemontana
Willowleaf Amsonia
Amsonia tabernaemontana var. salicfolia
Sky Blue Aster
Aster azureus
Blue Lagoon Aster
Aster 'Blue Lagoon'
Ideal Wood Blue Aster
Aster cordifolius 'Ideal'
Erlkonig Aster
Aster ericoides 'Erlkonig'
Frikart's Aster
Aster x frikartii 'Monch'
Smooth Blue Aster
Aster laevis
Little Carlow Aster
Aster 'Little Carlow'
Big-Leaved Aster
Aster macrophyllus
Purple Dome New England Aster
Aster novae-angliae 'Purple Dome'
New York Aster
Aster novi-belgii
Celeste New York Aster
Aster novi-belgii 'Celeste'
Eventide New York Aster
Aster novi-belgii 'Eventide'
Lady in Blue New York Aster
Aster novi-belgii 'Lady in Blue'
Marie Ballard New York Aster
Aster novi-belgii 'Marie Ballard'
Sailor Boy New York Aster
Aster novi-belgii 'Sailor Boy'
Aromatic Aster
Aster oblongifolius
October Skies Aster
Aster oblongifolius 'October Skies'
Raydon's Favorite Aster
Aster oblongifolius 'Raydon's Favorite'
Tatarian Aster
Aster tataricus 'Jindai'
Prarie Aster
Aster turbinellus
Wood's Blue Aster
Aster 'Wood's Blue'
Wood's Light Blue Aster
Aster 'Wood's Light Blue'
Wood's Purple Aster
Aster 'Woods Purple'
Dwarf Chinese Astilbe
Astilbe chinensis 'Pumila'
Wild Blue Indigo
Baptisia australis
Purple Smoke Indigo
Baptisia 'Purple Smoke'
Heartleaf Brunnera (Siberian Bugloss)
Brunnera macrophylla
Jack Frost Siberian Bugloss
Brunnera macrophylla 'Jack Frost'
Langtress Siberian Bugloss
Brunnera macrophylla 'Langtrees'
Butterfly Bush
Buddleia alternifolia
Black Knight Butterfly Bush
Buddleia davidii 'Black Knight'
Dartmore Butterfly Bush
Buddleia davidii 'Dartmore'
Nanho Blue Butterfly Bush
Buddleia davidii 'Nanho Blue'
Nanho Purple Butterfly Bush
Buddleia davidii 'Nanho Purple'
Thread-leaved Purple Poppy Mallow
Callirhoe involucrata var. tenuissima
Birch's Bellflower
Campanula 'Birch's Hybrid'
Blue Clips Bellflower
Campanula carpatica 'Blue Clips'
Telham Beauty Peachleaf Bellflower
Campanula persicifolia 'Telham Beauty'
Serbian Bellflower
Campanula poscharskyana
Chimney Bellflower
Campanula pyramidalis
Blue Mist Shrub
Caryopteris clandonensis
Arthur Simmonds Blue Mist Shrub
Caryopteris clandonensis 'Arthur Simmonds'
Dark Knight Blue Mist Shrub
Caryopteris clandonensis 'Dark Knight'
First Choice Blue Mist Shrub
Caryopteris clandonensis 'First Choice'
Variegated Blue Mist Shrub
Caryopteris divaricata 'Snow Fairy'
Mountain Bluet
Centaurea montana
Globe Artichoke
Cynara cardunculus
Magic Heavenly Blue Delphinium
Delphinium 'Magic Heavenly Blue'
Peace Delphinium
Delphinium 'Peace'
Purple Coneflower
Echinacea purpurea
Kim's Knee High Purple Coneflower
Echinacea purpurea 'Kim's Knee High'
Magnus Purple Coneflower
Echinacea purpurea 'Magnus'
Ruby Star Purple Coneflower
Echinacea purpurea 'Rubinstern'
Small Globethistle
Echinops ritro
Hardy Ageratum
Eupatorium coelestinum
Cori Hardy Ageratum
Eupatorium coelestinum 'Cori'
Johnson's Blue Geranium
Geranium x 'Johnson's Blue'
Bevan's Bigroot Geranium
Geranium macrorrhizum 'Bevan's Variety'
Czakor Bigroot Geranium
Geranium macrorrhizum 'Czakor'
Blood Red Geranium
Geranium sanguineum
New Hampshire Blood Red Geranium
Geranium sanguineum 'New Hampshire'
Always Afternoon Daylily
Hemerocallis 'Always Afternoon'
Blue Sheen Daylily
Hemerocallis 'Blue Sheen'
Catherine Woodbury Daylily
Hemerocallis 'Catherine Woodbury'
Lady Eva Daylily
Hemerocallis 'Lady Eva'
Purple de Oro Daylily
Hemerocallis 'Purple de Oro'
Summer Wine Daylily
Hemerocallis 'Summer Wine'
Can Can Coral Bells
Heuchera 'Can Can'
Sweet Iris (Variegated Iris)
Iris pallida 'Variegata'
Dreaming Spires Iris
Iris sibirica 'Dreaming Spires'
Lavender
Lavandula angustifolia
Lady Lavender
Lavandula angustifolia 'Lady'
Lavender Lady Lavender
Lavandula angustifolia 'Lavender Lady'
Munstead Lavender
Lavandula angustifolia 'Munstead'
Rocky Mountain Gayfeather
Liatris ligulistylis
Prarie Blazingstar
Liatris pycnostachya
Spike Gayfeather
Liatris spicata 'Kobald'
Sea Lavender
Limonium latifolium
Purple Lobelia
Lobelia x gerardii 'Vedariensis'
Grape Knee-High Lobelia
Lobelia 'Grape Knee-High'
Great Blue Lobelia
Lobelia siphilitica
Rose Campion
Lychnis coronaria
Virginia Bluebells
Mertensia virginica
Aquarius Bee Balm
Monarda didyma 'Aquarius'
Blue Stocking Bee Balm
Monarda didyma 'Blue Stocking'
Claire Grace Bee Balm
Monarda didyma 'Claire Grace'
Violet Queen Bee Balm
Monarda didyma 'Violet Queen'
Catmint
Nepeta
Blue Wonder Cat Mint
Nepeta x faassenii 'Blue Wonder'
Dawn to Dusk Catmint
Nepeta x faassenii 'Dawn to Dusk'
Six Hills Giant Cat Mint
Nepeta x faassenii 'Six Hills Giant'
Walker's Low Cat Mint
Nepeta x faassenii 'Walker's Low'
Mauve Catmint
Nepeta mussinii
Russian Sage
Perovskia atriplicifolia
Little Spire Russian Sage
Perovskia atriplicifolia 'Little Spire'
Amethyst Garden Phlox
Phlox paniculata 'Amethyst'
Blue Boy Garden Phlox
Phlox paniculata 'Blue Boy'
Blue Paradise Garden Phlox
Phlox paniculata 'Blue Paradise'
Katherine Garden Phlox
Phlox paniculata 'Katherine'
Laura Garden Phlox
Phlox paniculata 'Laura'
Miss Margie Garden Phlox
Phlox paniculata 'Miss Margie'
Nicky Garden Phlox
Phlox paniculata 'Nicky'
Sternhimmel Garden Phlox
Phlox paniculata 'Sternhimmel'
Baby Blue Balloon Flower
Platycodon grandiflorus 'Baby Blue'
Double Blue Balloon Flower
Platycodon grandiflorus 'Double Blue'
Fuji Blue Balloon Flower
Platycodon grandiflorus 'Fuji Blue'
Komachi Balloon Flower
Platycodon grandiflorus 'Komachi'
Mariesii Balloon Flower
Platycodon grandiflorus 'Mariesii'
Sentimental Blue Balloon Flower
Platycodon grandiflorus 'Sentimental Blue'
Creeping Jacob's Ladder
Polemonium reptans
Blue Lungwort
Pulmonaria angustifolia
British Sterling Lungwort
Pulmonaria 'British Sterling'
Long-leaved Lungwort
Pulmonaria longifolia cevennensis
Dordogne Lungwort
Pulmonaria longifolia 'Dordogne'
Roy Davidson Lungwort
Pulmonaria 'Roy Davidson'
Azure Sage
Salvia azurea var. grandifolia
Lyre-leaved Sage
Salvia lyrata 'Purple Knockout'
Caradonna Sage
Salvia nemorosa 'Caradonna'
Lubeca Sage
Salvia nemorosa 'Lubeca'
Blue Hill Sage
Salvia x superba 'Blauhugel'
May Night Sage
Salvia x superba 'May Night'
Purple Rain Sage
Salvia verticillata 'Purple Rain'
Butterfly Blue Pincushion Flower
Scabiosa columbaria 'Butterfly Blue'
Ultra Violet Pincushion Flower
Scabiosa columbaria 'Ultra Violet'
Big Betony
Stachys macrantha 'Robusta'
Hummelo Betony
Stachys monnieri 'Hummelo'
Klaus Jelitto Stoke's Aster
Stokesia laevis 'Klaus Jelitto'
Lavender Mist Meadowrue
Thalictrum rochebrunianum
Concord Grape Spiderwort
Tradescantia 'Concord Grape'
Sweet Kate Spiderwort
Tradescantia 'Sweet Kate'
Blue Spiderwort
Tradescantia 'Zwanenburg Blue'
Togen Toad Lily
Tricyrtis togen
Western Ironweed
Vernonia fasiculata
Blue John Veronica
Veronica longifolia 'Blue John'
Fuchsia Rose Veronica
Veronica longifolia 'Fuchsia Rose'
Goodness Grows Veronica
Veronica 'Goodness Grows'
Blue Peter Spiked Veronica
Veronica spicata 'Blue Peter'
Wooly Speedwell
Veronica spicata subsp. incana
Royal Candles Spiked Veronica
Veronica spicata 'Royal Candles'
Sunny Border Blue Spiked Veronica
Veronica spicata 'Sunny Border Blue'
Lavendelturm Culver's Root
Veronicastrum virginicum 'Lavendelturm'
Common Name
Botanical Name
Perennials
...plants that will grow again - seasonally.
Blue and purple flowering perennials.