Winter (Dec-Feb)

Bergenia ‘Rotblum’, pink flowers (zone 9) throughout winter

Autumn-Winter (Oct-Nov)

Heathers, purple and white flowers (zone 8)

Autumn (Sep-Oct)

Campanula poscharskyana, blue flowers (zone 9)

Clematis ‘HF Young’, blue flowers (zone 4)

Clematis ‘Franziska Marie’, double blue flowers (zone 4)

Crocosmia, Lucifer, red flowers (zones 2 and 6)

Gladioli, various lime-green, yellow, orange flowers (zones 2 and 3)

Shrubs (unidentified – purple/yellow flowers) (zone 5)

Summer-Autumn (Aug-Sep)

Clematis, white (zone 6)

Dahlia ‘Art Nouveau’ (zone 1)

Dianthus, pink flowers (zone 1)

Doronicum ‘Little Leo’ (zone 2)

Erigeron ‘pink’ and ‘azure fairy’ (zone 3) into October

Gentian Septemfida, blue flowers (zones 4 and 9)

Gentian Saxosa, white flowers (zone 4)

Geum, red-orange flowers (zone 6)

Hares Ears, ‘Stachys’ white (zone 3)

Hares Ears, ‘Stachys’, pink (zone 6)

Hydrangea paniculata ‘Limelight’ (zone 9)

Japanese Anemone, pink (zones 2, 9) into October

Japanese Anemone, white (zones 1, 9) into October

Lambs Tongue, silver leaves, pink flowers (zone 3)

Mint, blue flowers (zone 8)

Parsley, green flowers (zone 1) … annual?

Solidago ‘Golden Baby/Rod’, bright yellow flowers (zone 4)

Sidalcea ‘Party Girl’, pink flowers (zone 6)

Thunbergia ‘black-eyed susan’, orange-brown flowers (zone 8) into October

Summer (Jun-Aug)

Agastache, white and blue flowers (zones 4 and 7) to October

Anthemis, ‘Marguerite’, yellow flowers (zones 2 and 4) until October-ish

Astilbe, coral-pink plumes of flowers (zone 2)

Brachyscome, blue flowers (zone 3) to October… annual?

Brachyscome, pink flowers (zone 1) to September… annual?

Bronze fennel, bronze flowers (zone 6) … annual?

Buddleia, purple flowers (zone 6)

Calendula, yellow and orange flowers (zone 8)… annual?

California Poppy, orange flowers (zone 8)

Campanula Persicifolia, blue flowers (zone 3)

Campanula x symphandra hybrid, bluebell-like flowers (zone 2) to October

Chives, purple flowers (zone 1)… annual?

Coreopsis ‘Early Sunrise’, bright yellow flowers (zones 2, 4, 6, 9) to November

Cornus Kousa ‘China Girl’, dogwood tree, cream-green sepals, raspberry berries (zone 7)

Cotton Lavender, yellow flowers (zone 2)

Delphiniums, pink and blue flowers (zones 1 and 2) to August/September

Diascia ‘Denim Blue’, mauve flowers (zone 3) to October… annual?

Dill, yellow flowers (zone 2)… annual?

Echinacea purpurea, ‘White Swan’, green-white flowers (zone 4) to September

Foxgloves, various colours pink etc (zones 1 and 2)

Gazania, orange flowers (zone 8)… annual?

Hebe, white flowers (zone 2) August flowering

Helichrysum ‘Korma’, yellow flowers (zones 1 and 2)

Hosta, pink-purple flowers (zone 2)

Hyacinths, white, pink, blue flowers (zones 2 and 4) June flowering

Hydrangea anomala petilaris, climber, white flowers (next to house) until September

Hydrangea macrophylla ‘Teller White’, white flowers (zone 6) to August

Jasmine, white flowers (zone 6)… guessing flowering time

Knapweed, ‘Centaurea montana’, lavender blue flowers (zone 3)

Lavatera x Clementii ‘Rosea’, pink flowers (zone 1) to November

Lavender, pink flowers (zone 1)

Lavender, blue flowers (zones 2, 3, 6)

Lobelia, ‘Cambridge Blue’ (zone 4)… annual?

Lupins, various colours (zone 2)

Malva sylvestris ‘Primley Blue’, blue flowers (zone 2) to September

Nemesia, various colours purple, pink, white (zone 3)… annual?

Nicotiana, lime-green flowers (zone 4)

Oriental Poppy, ‘Royal Wedding’, white flowers with purple centre (zone 3)

Osteospermum, pink-purple flowers (zone 4)

Paeony poppies, various colours, red, pink, white (zones 3, 7, 8)

Penstemon, blue-purple flowers (zone 3) from July to October

Philadelphus ‘mock orange’, cream flowers (zone 5)

Phlox Subulata ‘Temiskaming’, pink flowers (zone 1) to September

Phormium Tenax ‘Purpureum’, dark green-red foliage (zone 6)

Phygelius, yellow flowers (zone 4)

Phygelius, red flowers (zone 5) to October

Platycoden ‘balloon flower’, blue, pink and white flowers (zone 3)

Polemonium Caeruleum, Jacob’s Ladder, blue flowers (zone 6)

Potentilla fruticosa ‘Hopley’s Orange’, orange-yellow flowers (zone 8) to September

Primula, pink flowers (zone 1)

Salvia Sylvestris ‘Blue Queen’, blue flowers (zone 3)

Salvia Nemerosa ‘Schneehugel’, white flowers (zone 3)

Thalictrum delavayi, ‘Hewitt’s Double’, purple flowers (zone 4) until September

Verbena Bonariensis ‘Buenos Aires’, purple flowers (zones 2 and 4) July to October

Verbena ‘Sissinghurst’, red, white, purple, pink varieties (zones 1, 2, 4, 6)

Spring-Summer (May-Jun)

Abutilon, mauve flowers (zone 6)… not sure if this will survive

Alchemilla Mollis, yellow-green flowers (zone 4)

Allium, purple flowers (zone 3) June

Alyssum ‘Carpet of Snow’, white flowers (zone 3)

Arabis Alpina ‘Snow Cap’, white flowers (zone 1)

Buphthalmum salicifolium, yellow flowers (zone 3) to September

Choisya, Mexican Orange blossom, white flowers (zone 2)

Clematis florida ‘Bicolor’, cream, green and purple flowers (zone 2) until October

Clematis ‘Franziska Marie’, double blue flowers (zone 4)

Clematis ‘HF Young’ single blue flower (zone 4)

Clematis, Montana ‘Tetrarose’, pink flowers (zone 1)

Clematis Montana, cream flowers (by the conservatory)

Day Lily, yellow flowers (zone 2) to Autumn

Eucalyptus (zone 6)

Geranium ‘Black Beauty’, cranesbill, purple-blue flowers (zone 9)

Geranium, chocolate foliage, pink flowers (zone 1)

Geranium, Johnsons Blue, blue flowers (zone 4)

Himalayan Poppy, Meconopsis betonicifolia, blue flowers(zone 8) to July

Iris Germanica ‘Superstition’, blue-yellow flowers (zone 4)

Iris White City, white flowers (zone 4)

Lychnis Coronaria ‘Alba’ Dusty Miller until July, no flowers (zone 3)

Myosotis, forget-me-nots, white and blue flowers (zone 8)

Ornithogalum, white flowers (zone 6)

Potentilla recta Warrenii, yellow flowers (zone 7) to September

Primula Vialii, purple/red-tipped flower (zone 7) to July

Pratia x pedunculata, little blue flowers (zones 2 and 9)

Rhodohypoxis platypetala, white flowers (zone 1)

Rhodohypoxis baurii, pink and white flowers (zone 1)

Rhodohypoxis ‘sunburst’ pink flowers (zone 1)

Sedum Spathulifolium ‘Purpureum’, yellow flowers (zone 2) all summer?

Sedum, yellow flowers (from A Jac) (zones 4, 5, 6)

Viburnam plicatum ‘Mariesii’, white flowers (zone 7)

Weigela, pink/white flowers (zone 2)

Welsh Poppy, orange flowers (zone 8)

Wisteria, white flowers (zone 2)

Spring (Mar-Apr)

Agapanthus africanus, blue flowers (zones 2 and 3) to late summer… not hardy though

Aquilegia, various colours (zones 2, 3, 6)

Aubrieta, silver variegated, purple flowers (zone 3) to June

Brunnera, silver foliage, blue flowers (zone 3)

Camellia Williamsii ‘Jury’s Yellow’, cream flowers (zone 6)

Corylus Contorta, twisted hazel (zone 4) catkins in spring

Cytisus Luna, yellow broom (zone 7) to May

Cytisus ‘Red Favourite’, red broom (zone 6) to May

Dicentra, pink and white (zones 1 and 2) April into summer

Doronicum ‘Little Leo’, yellow flowers (zone 2)

Erodium variabile ‘Flore Pleno’, little pink flowers (zone 1) until September

Euphorbia Amygdaloides Robbiae, green (zone 4) to May

Euphorbia, dark red and light green flowers (zone 3) to May

Helleborus orientalis hybrid ‘Yellow Lady’, yellow-green flowers (zone 3) April-July

Leucojum, white flowers (zone 4)

Lithodora, ‘Heavenly Blue’, bright blue flowers (zones 3 and 8) until early summer

Muscari, blue flowers (zone 3)

Olive tree (zone 4)

Primula elatior, yellow flowers (zones 4 and 9)

Pulmonaria, bright blue flowers (zone 9)

Snake’s Head Fritillary, white and burgundy flowers (zone 4) April to May

Spanish bluebells, blue flowers (zones 1, 3, 8, 9)

Salix integra ‘Hakuro-Nishiki’ (zone 4) shrub can get catkins