Lobelia siphilitica 'Blue Selection'
Blue cardinal flower
This plant originates from the eastern side of North America where it grows in damp places.
In the past it was used to treat syphilis, hence the name.
Lobelia siphilitica grows best in a moist, humus rich but well-drained soil in partial shade. It will tolerate sun but drought will put an end to it. Flowering begins in August and lasts until mid-October.
Spires of colourful hood-like flowers open from bottom to top whilst the stout foliage forms a large basal rosette.
A true late summer delight that should be planted more often than it is. Delightful with ferns.
Photo: Blackstem Plants
Moist but well-drained