This American produces spikes of blue flowers that are particularly attractive to butterflies and other pollinators. The flowers are produced from July to September.
It grows to 1m tall and 30cm across in full sun or partial shade and moist soils. It dies down completely over winter, at which time you can apply a mulch of garden compost.
Blue Cardinal Flower / Lobelia siphilitica
£7.20Price
VAT Included
Out of Stock
Position: Flower border
Flowering months: Jul / Aug / Sep
Light: Full sun / Mix of sun and shade / Dappled shade
Soil: Clay / Loam / Chalk / Sand
Tested in our local soil (t.i.o.l.s.): Yes
Drainage: Moist but well-drained / Moist soil
Life cycle: Perennial (lives for many years)
Hardiness: Fully hardy (in Bristol winters)
Over winter: Dies back (deciduous)