Thompson & Morgan Allium World Collection

Alliums are highly valued by gardeners for their sturdy, upright growth, which adds both structure and vibrant color to early summer gardens. This exceptional collection features five unique species that thrive in gravel gardens and rockeries. When planted in clusters, they create a stunning display that seamlessly connects the blooming of spring bulbs with the arrival of summer perennials. Like all Alliums, these varieties are easy to cultivate and require minimal maintenance once they are established. Allium Collection comprises: Allium sphaerocephalon - An understated allium with unusual oval shaped, purple green flower heads, that associates beautifully with swaying grasses. Height: 60cm (24"). Spread: 8cm (3"). Allium moly - (51 Bulbs) Dense clusters of star-shaped, golden yellow flowers from late spring. Height: 15cm (6"). Spread: 5cm (2"). Allium 'Graceful Beauty' - Effortlessly tasteful - its large, starry blooms forming spherical flower heads in spring. Each gleaming white flower is blushed with palest pink providing a lovely contrast with its violet stamens. Height: 30cm (12"). Spread: 10cm (4"). Allium 'Purple Sensation' - Globes of starry purple flowers that measure up to 8cm (3") across. Height: 90cm (36"). Spread: 10cm (4"). Allium Caeruleum - Bright blue globes of starry flowers are carried on stiff upright stems in early summer. Punctuating sunny borders with architecture and a bright splash of colour, Allium caeruleum is easy to grow and makes a great cut flower too! Height: 60cm (24"). Spread: 8cm (3"). Growing Information Alliums thrive in light sandy, well drained soil in full sun. Avoid planting in cold wet soils as the bulbs are prone to rot in these conditions. Plant allium bulbs at a depth of 10cm (4") and a distance of 10cm (4") apart. A slow release fertilizer can be added to poor soils at the time of planting to improve fertility. When growing alliums, plant them where the leaves of other plants will cover the base of their stems. This will hide the old foliage which dies back before flowering begins.

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