Growing to about 30cm (12in), it is a perfect height for many situations in the garden and quickly forms a tidy clump, with tight clusters of flowerheads surrounded by wide, mid-green, strap-shaped leaves. It is very resilient, which is why it is found in so many old gardens. Like the native bluebell, it spreads slowly but definitively, by seed
How to grow Given their resilience, it is not surprising that Spanish bluebells are often seen in the less maintained parts of older gardens: around trees, enmeshed in the bases of hedges or in Victorian shrubberies. They perform best in light shade and do well in full sun but do not flourish beneath evergreens.
Do you freeze? If you have a freezing season, then save yourself the work and sow outside right now. Mark where you plant them though, because it might just look like an ornamental grass when it comes up in the spring. 😉 @Katalin