Popular with bees and butterflies. Grows to 45cm tall and 30cm across in partial shade or full sun and well-drained soils. Gorgeous clear blue-tinged-with-pink flowers are produced from June to October. Deadhead the flowering stems to keep the flowers coming.
You can extend the flowering season by chopping back a third of the flowering stems in late spring / early summer before they flower.
Penstemon heterophyllus 'Electric Blue'
Position: Flower border / Container
Flowering months: Jun / Jul / Aug / Sep / Oct
Light: Full sun / Mix of sun and shade
Soil: Clay / Loam / Chalk / Sand
Tested in our local soil (t.i.o.l.s.): Yes
Drainage: Moist but well-drained / Well drained
Life cycle: Perennial (lives for many years)
Hardiness: Hardy (in Bristol winters) but we recommend mulching if temperatures are giong to frop below -10oC
Over winter: Evergreen