Members of the Scilla genus range in height from 15 to 90 cm.
They are usually grown ad a hardy bulb in the garden.
They bloom from spring to the start of summer, and have bell or tubular shaped flowers of blue, white or purple; these are carried on spikes.
Common names for Scilla include Bluebell, Cuban Lily, Spanish Bluebell, Hyacinth of Peru, Siberian Squill, and Blue Squill
Latin species names include Scilla hyacinthoides, and Scilla campanulata.
Scilla Siberica (Siberian Squill) by @tone.
It is easiest to grow plants from Scilla bulbs; these should be planted outdoors in the autumn; plant smaller varieties at about 8 cm deep, and larger species at 12 cm. Space the bulbs 9 cm (small) to 12 cm (large) apart.
If you prefer to grow from seed then start them off indoors in the spring. First imbibe the Bluebell seeds by sowing them in flats (lightly cover the seed), put them in a black bag, and place in the fridge for three weeks. Flats should then be sank into a shady part of the garden. It should take from one to six months to germinate.
Transplant the young seedlings into either a sunny or partially shaded part of the garden that has a good drainage and a rich loamy soil of pH 6 to 7. It should take about 4 years until seed grown Scilla will flower.
Scilla plant species such as Bluebells and Squill are pretty easy to look after. They like moist ground, so water well when flowering. However, when flowering has finished, stop watering and allow the bulbs to dry. Additionally, apply manure every autumn. You may like to grow them in a contained part of the garden as they spread rapidly. If you require further plants then plant the offsets that Scilla produces in the autumn.
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