Blue Perennials Show filters Hide filters Filter products Clear selection Only show available products In stock (90) (Aspect) North-facing (48) East-facing (138) South-facing (142) West-facing (154) Clear selection (Attractive to Wildlife) Attractive to Bees (103) Attractive to Birds (3) Attractive to Butterflies & Moths (62) Attractive to Wildlife (3) Clear selection (Award) AGM (Award of Garden Merit) RHS (27) RHS Chelsea Flower Show Plant of the Centenary Award (1) Silver Medal Plantarium 2018 (1) Clear selection (Flower Colour) Black (1) Blue (151) Pink (3) Purple (19) White (21) Yellow (4) Clear selection (Flower Form) Double (1) Semi-double (6) Single (115) Clear selection (Flowering Month) February (4) March (19) April (49) May (85) June (104) July (101) August (91) September (78) October (37) November (5) Clear selection (Foliage Colour) Blue (6) Bronze (1) Cream (4) Gold (6) Gold/Yellow (1) Green (153) Grey (7) Orange (1) Pink (1) Purple (2) Red (1) Silver (2) Silver/Grey (15) Variegated (9) White (3) Yellow (7) Clear selection (Foliage Type) Deciduous (106) Evergreen (35) Semi-evergreen (14) Clear selection (Fragrance) Good (5) Very (4) Clear selection (Garden Style) Architectural (29) City & Courtyard Garden (145) Coastal (64) Cottage & Informal Garden (158) Gravel Garden (37) Japanese Garden (9) Mediterranean Garden (32) Patio & Container (142) Prairie Planting (15) Rock Garden (47) Water Garden (1) Wildflower Meadow (24) Wildlife Garden (95) Woodland Garden (31) Clear selection (Hardiness (RHS rating)) H3 -5 to 1ºC. Half-hardy - mild winter (7) H4 -10 to -5ºC. Hardy - average winter (34) H5 -15 to -10ºC. Hardy - cold winter (37) H6 -20 to -15ºC. Hardy - very cold winter (50) H7 colder than -20ºC. Very hardy (30) Clear selection Height - Clear selection (Moisture) Moist but well-drained (109) Poorly-drained (3) Well-drained (104) Clear selection (pH) Acid (129) Alkaline (142) Neutral (158) Clear selection (Plant Habit) Bushy (21) Clump-forming (100) Columnar / Upright (10) Cushion or Mound Forming (1) Mat-forming (18) Trailing (2) Tufted (12) Clear selection (Planting Types) Banks and Slopes (59) Borders and Beds (156) Containers & Baskets (6) Cut Flowers (62) Garden Edging (33) Ground Cover (59) Living Walls (17) Naturalising (11) Pots & Containers (99) Underplanting of Deciduous Trees and Shrubs (33) Underplanting of Roses and Shrubs (11) Water-side Borders (1) Clear selection (Plant Type) Alpine and Rockery Plant (26) Bedding Plant (3) Perennial (155) Clear selection (Pot Size) 1.5L (15cm) (3) 1L (13cm) (73) 2L (17cm) (61) 3L (19cm) (36) 9cm (22) 10.5cm (6) 11cm (1) 12cm (6) 14cm (2) Clear selection (Season of Interest) Spring (118) Summer (136) Autumn (80) Winter (8) Clear selection (Soil Type) Chalk (126) Clay (86) Loam (158) Sand (143) Clear selection (Special Attributes) Attractive Foliage (14) Berries or Fruit (4) Drought Tolerant (58) Easy to Grow (147) Long Flowering (79) Low Maintenance (152) Scented Flowers (16) Scented Foliage (16) Some Resistance to Disease (4) Some Resistance to Rabbits & Deer (50) Clear selection Spread - Clear selection (Stem Colour) Blue (3) Yellow (1) Purple (1) Clear selection (Sunlight) Full Sun (130) Partial Shade (97) Full Shade (22) Clear selection (Brand) Agapanthus Fireworks (1) Ajuga Feathered Friends™ (4) Lovingly Grown @ Cowell's (80) Must Have Perennials® (3) NEPTUNE℗ Nepeta (1) PW - Proven Winners (2) Clear selection £ - Clear selection 1 - 60 of 158 productsItems per page1224364860AllSort byName ascendingName descendingPrice ascendingPrice descendingOffers ascendingOffers descendingPopularity 123 Next Options from £ 12.99Add to wishlistMore infoAgapanthus 'Amourette Blue'In Stock £ 14.99Add to wishlistMore infoAgapanthus 'Blue Thunder'Add to cartIn Stock £ 19.99Add to wishlistMore infoAgapanthus 'Bluety'Out of Stock £ 16.99Add to wishlistMore infoAgapanthus 'Brilliant Blue'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Charlotte'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Dark Silk'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Ever Sapphire'Add to cartIn Stock £ 16.99Add to wishlistMore infoAgapanthus 'Fireworks'Add to cartIn Stock £ 16.99Add to wishlistMore infoAgapanthus 'Flower of Love'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Full Moon'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Goldstrike'Out of Stock £ 14.99Add to wishlistMore infoAgapanthus 'Indigo Dreams'Out of Stock £ 14.99Add to wishlistMore infoAgapanthus 'Jessica'Out of Stock £ 14.99Add to wishlistMore infoAgapanthus 'Megan's Mauve'Out of Stock £ 12.99Add to wishlistMore infoAgapanthus 'Midnight Star'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Neverland'Out of Stock £ 14.99Add to wishlistMore infoAgapanthus 'Northern Star'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Pino'Add to cartIn Stock £ 14.99Add to wishlistMore infoAgapanthus 'Regal Beauty'Out of Stock £ 14.99Add to wishlistMore infoAgapanthus 'Royal Velvet'Out of Stock £ 14.99Add to wishlistMore infoAgapanthus 'Twister'Out of Stock £ 12.99Add to wishlistMore infoAgastache 'Black Adder'Out of Stock £ 9.99Add to wishlistMore infoAgastache 'Blue Boa'Out of Stock £ 9.99Add to wishlistMore infoAgastache 'Golden Jubilee'Add to cartIn Stock £ 2.99Add to wishlistMore infoAjuga 'Blueberry Muffin'Out of Stock Options from £ 2.99Add to wishlistMore infoAjuga 'Burgundy Glow' 1 Review(s) Add to cartIn Stock Options from £ 2.99Add to wishlistMore infoAjuga 'Chocolate Chip'Add to cartIn Stock £ 2.99Add to wishlistMore infoAjuga 'Lemon & Lime'Add to cartIn Stock £ 5.99Add to wishlistMore infoAjuga Feathered Friends™ 'Cordial Canary'Add to cartIn Stock £ 5.99Add to wishlistMore infoAjuga Feathered Friends™ 'Fancy Finch'Add to cartIn Stock £ 5.99Add to wishlistMore infoAjuga Feathered Friends™ 'Noble Nightingale'Add to cartIn Stock £ 5.99Add to wishlistMore infoAjuga Feathered Friends™ 'Petite Parakeet'Add to cartIn Stock £ 12.99Add to wishlistMore infoAnemone 'Dreaming Swan'Add to cartIn Stock Options from £ 5.99Add to wishlistMore infoAnemone 'Elfin Swan'In Stock Options from £ 5.99Add to wishlistMore infoAnemone 'Frilly Knickers'In Stock £ 5.99Add to wishlistMore infoAnemone 'Harmony Blue'Out of Stock Options from £ 5.99Add to wishlistMore infoAnemone 'Ruffled Swan'In Stock £ 4.99Add to wishlistMore infoAnemone blanda 'Blue Shades'Out of Stock £ 12.99Add to wishlistMore infoAquilegia 'Spring Magic Navy & White'Out of Stock £ 9.99Add to wishlistMore infoAster 'Bressingham Blue Cushion'Add to cartIn Stock £ 12.99Add to wishlistMore infoAster 'Mönch'Add to cartIn Stock £ 12.99Add to wishlistMore infoAster dumosus 'Blue Lapis'Out of Stock £ 5.99Add to wishlistMore infoAster Island 'Barbados'®Out of Stock Options from £ 2.99Add to wishlistMore infoAubrieta 'Blue Whale'Add to cartIn Stock Options from £ 2.99Add to wishlistMore infoAubrieta 'Florado Blue Blush Bicolor' 1 Review(s) Out of Stock Options from £ 2.99Add to wishlistMore infoAubrieta 'Florado Blue Eye'Out of Stock Options from £ 2.99Add to wishlistMore infoAubrieta 'Redago Blue White Bicolour'Out of Stock Options from £ 2.99Add to wishlistMore infoAubrieta 'Sky Blue'Out of Stock £ 6.99Add to wishlistMore infoBrunnera 'Alchemy Pewter'Add to cartIn Stock £ 6.99Add to wishlistMore infoBrunnera 'Alchemy Silver'Add to cartIn Stock Options from £ 5.99Add to wishlistMore infoBrunnera 'Alexander's Great'Add to cartIn Stock £ 5.99Add to wishlistMore infoBrunnera 'Alexandria'Add to cartIn Stock £ 12.99Add to wishlistMore infoBrunnera 'Hadspen Cream'Out of Stock Options from £ 6.99Add to wishlistMore infoBrunnera 'Jack Frost'Add to cartIn Stock £ 12.99Add to wishlistMore infoBrunnera 'Jack of Diamonds' ℗Out of Stock £ 12.99Add to wishlistMore infoBrunnera 'Jack's Gold'Add to cartIn Stock Options from £ 5.99Add to wishlistMore infoBrunnera 'Sea Heart'Add to cartIn Stock Options from £ 5.99Add to wishlistMore infoBrunnera 'Silver Heart'Add to cartIn Stock £ 6.99Add to wishlistMore infoBrunnera 'Sterling Silver'Add to cartIn Stock £ 9.99Add to wishlistMore infoCamassia cusickiiOut of Stock 123 Next