| Description | Description | Month Flower |
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| ACANTHUS (Bear's Breeches) | |
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| Bold foliage with impressive flower spikes. | 6-8 | |
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| ACHILLEA (Yarrow) | |
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| Strongly aromatic fern like foliage, grey green colour, flat flowerheads on erect stems. | 6-9 | |
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| ACONITUM (Monkshood) | |
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| Upright panicles of helmet shaped flowers, with palmately lobed leaves. Toxic plant if eaten! | 7-8 | |
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| ADENOPHORA (Lady Bells) | |
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| Reddish yellow foliage with blue flower spikes. | 6-8 | |
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| AGAPANTHUS (African Lily) | |
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| Spikes of funnel-shaped, blue or white flowers over strap-like leaves. Hardy forms only. | 7-9 | |
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| AGASTACHE (Anise Hyssop) | |
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| Large blue or white flower spikes, aromatic leaves. | 7-9 | |
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| AJUGA (Bugle) | |
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| Creeping evergreen, with coloured foliage and flowers on pyramidal spikes. | 4-6 | |
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| ALCEA (Hollyhock) | |
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| Upright growth with rounded, hairy leaves and large saucer-like flowers. A sunny fertile site will help to discourage mallow rust. | 6-7 | |
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| ALCHEMILLA (Ladys Mantle) | |
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| Sprays of yellow flowers above sage-green foliage | 6-8 | |
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| ALSTROEMERIA (Peruvian Lily) | |
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| Fleshy rhyzome-like tubers produce upright stems. Lance-shaped, mid-green leaves and showy, funnel-shaped, flowers in terminal umbels. Good cut flower. | 6-10 | |
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| AMSONIA | |
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| Bushy stems with pale blue clusters of starry flowers. | 5-7 | |
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| ANACYCLUS | |
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| Prostrate ground cover with clusters of white daisys. | 6-9 | |
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| ANAPHALIS (Pearl Everlasting) | |
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| Grey-green foliage, with white wooly small discoid flower heads |
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| ANCHUSA (Italian Bugloss) | |
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| Long-lasting blooms of gentian-blue flowers on spikes. | 5-7 | |
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| ANEMONE (Windflower) | |
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| Flowers arranged in loose cymes over lobed leaves. | 8-10 | |
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| ANGELICA | |
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| Large pinnate leaves with umbels of flower on tall stems | 8-9 | |
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| ANTHYLLIS (Kidney Vetch, Lady's Fingers) | |
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| Variable pinnate leaves with large, purple-red flowered heads on long stalks. Ideal for naturalizing on dry chalky grass banks. | 5-8 | |
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| AQUILEGIA (Columbine) | |
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| Spurs of flower in many different colours | 5-6 | |
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| ARMERIA (Thrift) | |
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| Cushion shaped grassy foliage with globular, lilac-rose blooms. | 6-8 | |
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| ARTEMESIA (Wormwood) | |
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| Feathery, silver-grey, aromatic foliage. Silver-yellow flower panicles. | 7-8 | |
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| ARUNCUS (Goatsbeard) | |
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| Branched panicles of tiny ivory-white flowers over pinate leaves. | 6-7 | |
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| ASCLEPIAS (Swamp Milkweed) | |
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| Thick stems with narrow leaves and white heads of starry flowers. | 7-8 | |
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| ASPHODELINE (Jacobs Rod) | |
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| Narrow, blue-green leaves. Tall spikes of yellow flower. | 6-9 | |
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| ASTER (Michaelmas Daisy) | |
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| Masses of single or double daisy flowers in many different colours. | 8-10 | |
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| ASTILBE | |
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| Pinnate foliage with plumes of flower in shades of red, pink or white. | 7-9 | |
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| ASTRANTIA (Masterwort) | |
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| Rosettes of lobed leaves with pincusion-like flowers | 6-8 | |
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| ATHEMIS (Dog Fennel) | |
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| Grown for their daisy-like flower heads and fern-like foliage. | 7-9 | |
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| BERGENIA (Elephants Ear's) | |
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| Evergreen clumps of large leathery leaves. Clusters of white, pink or red flowers. | 3-5 | |
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| BOYKINIA | |
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| Rounded, lobed leaves, dense, white flower corymbs. For cool, lime-free, moist shade. | 9-10 | |
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| BRUNNERA | |
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| Panicles of tiny bright-blue or white, forget-me-not-like flowers over heart-shaped leaves. | 5-6 | |
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| CAMPANULA (Bell Flower) | |
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| Blue, white or pink, bell-like flowers. | 6-9 | |
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| CARDAMINE (Cuckoo Flower) | |
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| Panicles of purple, lilac or white flowers. | 5-6 | |
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| CAREX (Sedge) | |
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| Clumps of coloured arching leaves with brown flower spikes. | 6-7 | |
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| CATANANCHE (Cupids Dart) | |
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| Cornflower-like with narrow leaves and solitary heads of blue or white flowers. | 6-9 | |
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| CENTAUREA (Cornflower) | |
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| Thistle-like flowerheads of blue, yellow, pink or white | 6-8 | |
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| CENTRANTHUS (Valerian) | |
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| Blue-green, fleshy foliage with Pink or white flowers. | 6-8 | |
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| CHRYSANTHEMUM | |
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| Daisy-like flowers in many different colours | 9-11 | |
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| CICERBITA (Mountain Sow Thistle) | |
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| Elongated panicles of violet-blue dandelion flowers. | 6-9 | |
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| CICHORIUM (Chicory) | |
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| Lance shaped, toothed basal leaves. White daisy-like flowers. | 6-9 | |
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| CLEMATIS | |
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| Herbaceous clematis bear flowers on current years shoots. Most have bell-shaped flowers. | 6-9 | |
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| COREOPSIS (Tickseed) | |
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| Yellow, daisy-like flower discs with a darker centre. | 6-9 | |
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| CORYDALIS | |
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| Frond-like leaves. Terminal racemes of blue, white yellow or pink tubular flowers. | 3-4 | |
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| COSMOS | |
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| Dhalia like brown-maroon, chocolate scented flowers. | 8-9 | |
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| CRAMBE (Sea Kale) | |
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| Impressive panicles of small white flowers, leaves large rounded. | 6-7 | |
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| CROCOSMIA (Montbretia) | |
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| Thin sword-like leaves, with spikes of orange or yellow flowers. | 7-9 | |
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| CYCLAMEN (Alpine Violet) | |
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| coum - Flowers pink or pale pink, leaves heart-shaped with silvery markings. |
| 12-3 | |
| hederifolium - Pale-to deep-pink flowers, leaves ivy-shaped with silvery patterns. |
| 9-19 | |
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| DELPHINIUM (Larkspur) | |
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| Spikes of pink, white, yellow or blue flowers. | 6-9 | |
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| DIASCIA (Twinspur) | |
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| Small racemes of flowers in shades of pink. | 6-8 | |
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| DICENTRA (Bleeding Heart) | |
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| Racemes of white, pink or red flowers. | 5-7 | |
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| DIERAMA (Angels Fishing Rod) | |
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| Slender grass-like leaves and wands of pendent, bell-like, red or pink flowers. | 7-9 | |
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| DIGITALIS (Foxglove) | |
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| Tall spikes of white, pink, apricot or yellow coloured flowers. | 6-8 | |
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| DORONICUM (Leopards bane) | |
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| Single or double headed, golden-yellow, daisy-like flowers. | 4-5 | |
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| ECHINACEA (Coneflower) | |
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| Large, rosy-purple, daisy-like flowers. | 7-10 | |
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| ECHINOPS (Globe Thistle) | |
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| Thistle-like foliage and flowerheads. Good for cutting. | 6-8 | |
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| ERYNGIUM (Sea Holly) | |
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| Thorny basal leaves with thistle-like metalic-blue or green-white flowers. | 6-8 | |
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| ERYSIMUM (Perennial Wallflower) | |
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| Small short spikes of orange, yellow, red or mauve flowers. | 5-8 | |
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| EUPATORIUM (Hemp Agrimony) | |
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| Pink, purple or white, nectar-rich flowerheads. | 7-8 | |
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| EUPHORBIA (Spurge) | |
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| Grown for the showy bracts. All parts of the plants are toxic. | 4-8 | |
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| FILIPENDULA (Meadowsweet) | |
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| Pinnate leaves with fluffy pink, white or cream flowers. | 4-7 | |
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| FRAGARIA (Strawberry) | |
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| 'Red Ruby'-Stoloniforous plant with red flowers and evergreen leaves. | 5-11 | |
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| FRANCOA (Bridal Wreath) | |
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| Rosette-forming with racemes of pink or white flowers. | 4-5 | |
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| GAILARDIA (Blanket flower) | |
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| Short-lived perennial with large, orange, red and yellow daisy flowers. | 6-10 | |
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| GAURA | |
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| Slender stems with spoon-shaped, toothed leaves. Loose panicles of pink or white flowers. | 7-9 | |
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| GENTIANA (Gentian) | |
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| Blue, white or yellow trumpet flowers. Most species require lime-free soil. | 5-9 | |
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| GERANIUM (Cranesbill) | |
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| Useful genus of many varying habits. Flowers in shades of blue, pink or white. | 5-9 | |
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| GEUM (Avens) | |
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| Small single or double rose-like, red, yellow or orange flowers. | 5-9 | |
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| GLYCYRRHIZA (liquorice) | |
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| Loose racemes of pea-like, blue or pale violet and white flowers. | 7-8 | |
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| HELENIUM (Sneezeweed) | |
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| Daisy-like orange or yellow flowers on leafy stems. | 7-9 | |
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| HELIANTHUS (Perennial Sunflower) | |
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| Large yellow flowers on vigorous growth | 7-10 | |
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| HELLEBORUS (Lenten Rose, Christmas Rose) | |
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| Mixed variety of colours with nodding flowers. | 1-4 | |
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| HEMEROCALLIS (Day Lily) | |
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| Funnel-shaped flowers in varying shades of red pink and yellow. | 6-10 | |
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| HEUCHERA | |
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| Ornamental, evergreen foliage with racemes of small flowers. | 5-9 | |
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| HOSTA (Plantain Lily) | |
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| Wide range of leaf size, shape and colour. Spikes of funnel-shaped flowers often scented. | 5-6 | |
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| INCARVILLEA (Hardy Gloxinia) | |
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| Trumpet-shaped, deep rose-pink to purple flowers. Mid-green, pinnate leaves. | 6-7 | |
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| IRIS | |
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| We have irises for nearly every situation from hot dry spots, to fully submerged. | 5-7 | |
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| KNAUTIA (Scabious) | |
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| Small pincushion-like, maroon flowers | 6-9 | |
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| KNIPHOFIA (Red Hot Poker) | |
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| Spikes of orange, red, yellow, pink or cream flowers with grass-like leaves. | 6-10 | |
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| LAMIUM (Dead Nettle) | |
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| Carpeting, ornamental foliage with pink or white flowers. | 5-7 | |
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| LEUCANTHEMUM (Shasta Daisy) | |
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| Free-flowering with large white daises. | 6-8 | |
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| LIATRIS (Gay Feather) | |
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| Spikes of purple or white flowers. Good cut flower. | 7-9 | |
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| LIBERTIA | |
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| Flowers white or blue. Iris-like foliage. | 5-6 | |
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| LIGULARIA (Golden Ray) | |
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| Red, Orange or yellow daisy-like flowers over large rounded foliage | 7-8 | |
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| LOBELIA (Cardinal Flower) | |
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| Racemes of tubular flowers, red, pink, blue or white. Some with purple foliage. | 7-8 | |
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| LUPINUS (Lupin) | |
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| Colourful spikes of pea flowers. | 6-7 | |
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| LYSIMACHIA (Loosestrife) | |
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| Spikes of yellow flowers usually with coloured foliage. | 7 | |
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| MACLEAYA (Plume Poppy) | |
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| loose panicles of tiny coral-pink flowers. Can be invasive. Olive-green leaves, white beneath. | 6-7 | |
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