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A vigorous fast-growing, upright perennial known for its intense sky-blue flowers, blooming from summer through autumn. The flower heads can reach up to 1.8m and it spreads via runners. It thrives in moist, or even boggy sites, both in part shade and full sun.
Ideal in a compost rich garden bed among waving grasses and Japanese windflowers.
A vigorous fast-growing, upright perennial known for its intense sky-blue flowers, blooming from summer through autumn. The flower heads can reach up to 1.8m and it spreads via runners. It thrives in moist, or even boggy sites, both in part shade and full sun.
Ideal in a compost rich garden bed among waving grasses and Japanese windflowers.
