Plant Solutions. Nigel Colborn

is bright yellow with a dark centre. A ‘botanical’ tulip, robust enough to survive in grass.

      Soil preference: Fertile but free-draining

      Aspect: Sun or part shade

      Season of interest: Spring

      Height and spread: 25cm × 15cm (10in × 6in)

      Companion plants: A good companion, in grassland, to shorter daffodil varieties such as ‘Jack Snipe’, ‘Rip van Winkle’ or to Narcissus pseudonarcissus. Also striking with cowslips and fritillaries in the grass.

       Focus on…

Crocus

      Crocuses offer far more than their small stature would suggest. Many of them bloom when colour is most needed, at winter’s end; their flower shapes are charming and their nectar is of great value to early stirring bees. When their season is done, they leave minimal aftermath, dying down quickly and gracefully, to rest underground and build up strength for next year’s show.

       1. Crocus tommasinianus ‘Whitewell Purple’

      One of the easiest winter-flowering species whose pale blue-grey outer petals belie the brighter mauve interior. The form ‘Whitewell Purple’ develops a deeper colour than seen in the wild species, but retains its simple charm.

       2. Crocus speciosus

      A strong-growing species whose naked violet-mauve blooms appear soon after the Autumn Equinox. The petals are feathered with darker purple, making a handsome contrast with the orange stigmata. Leaves follow the flowers, in late winter.

       3. Crocus sieberi ‘Tricolor’

      Wild forms of Crocus sieberi vary considerably, even when found in the same location, but the vivid mauve and ochre flowers of this garden selection make a startling display.

       4. Crocus imperati

      A striking crocus for late winter whose outer petals are biscuit-beige with bold pencilled feathering in deep purple-black. When the flowers open, to reveal bright lilac-mauve interiors, their appearance is transformed.

       5. Crocus hybrid ‘Jeanne d’Arc’

      Dutch hybrid crocus are much larger and coarser than their wild forebears, but still retain that essential early spring charm. Colours range through purple and mauve shades, often with striped petals, but one of the most outstanding varieties, ‘Jeanne d’Arc’ is pure white.

       6. Crocus sieberi ‘Bowles White’

      A more delicate, dainty plant altogether, than the hybrid Dutch crocus, this selected white form of the wild Crocus sieberi has been popular in cultivation for almost a century.

       7. Crocus chrysanthus ‘Cream Beauty’

      Another variable wild species has given rise to a broad range of subtly coloured, gem-like beauties. Their flowers are more goblet-shaped than larger, cultivated crocuses.

       8. Crocus ancyrensis

      The ‘golden bunch’ crocus, one of the earliest of the yellows to bloom. The small flowers are produced in tight clusters from each corm, and are a vivid egg yolk hue.

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       Bulbs for rock or gravel

       Galanthus reginae-olgae

      Hardy bulb

      A remarkable snowdrop species, from Greece, which, instead of flowering in midwinter, produces autumnal blooms without leaves. The flowers are similar to those of the common snowdrop, with three outer tepals and green-tipped inner parts. Leaves develop in late winter.

      Soil preference: Any free-draining

      Aspect: Sun

      Season of interest: Autumn

      Height and spread: 15cm × 5cm (6in × 2in)

      Companion plants: A conversation piece rather than a garden essential, but fun to grow with the yellow, crocus-like Sternbergia lutea to create an out-of-season spring effect.

       Muscari neglectum

      Common Grape Hyacinth Hardy bulb

      The commonest species, with grassy foliage and short stems crowded with small, dusky blue flowers shaped like tiny, rounded jars with restricted openings. Multiplies invasively from small offshoots, as well as seeds, so not a plant to let loose where it could become troublesome.

      Soil preference: Any

      Aspect: Any except deep shade

      Season of interest: Spring

      Height and spread: 15cm × 5cm (6in × 2in), spreading

      Companion plants: Natural-looking among pebbles, especially when blended with the white Muscari botryoides ‘Alba’ or with crocuses.

       Muscari comosum

      Hardy bulb

       Heather Angel

      A curious species, tall for a grape hyacinth. The lower spike carries fertile flowers, which are brownish and jar-shaped, but above these are bright mauve plumes or tufts of sterile florets. The garden form M. c. ‘Plumosum’ bears only dense masses of the beautiful mauve sterile florets.

      Soil preference: Any free-draining

      Aspect: Sun or partial shade

      Season of interest: Spring

      Height and spread: 30cm × 10cm (1ft × 4in)

      Companion plants: Interesting addition to a mix of drought-tolerant bulbs which might also include Tulipa batalinii, Bellevalia dubia and Scilla peruviana.

       Ornithogalum thyrsoides

      Chincherinchee Marginally hardy bulb

      A South African native with narrow, pointed leaves which tend to wither before the erect, naked flower stems appear. These bear spikes of closely packed, white, cup-shaped flowers. An excellent cut flower, but not very long lived in the garden.

      Soil