Corydalis 'Blue Heron' Autumn Planting Onions while the inclusion of sand

while the inclusion of sand and grit promotes excellent drainage to help roots thrive

3 top-performing varieties

Combining traditional craftsmanship with premium materials

the super-concentrated formula means you only need 35g per square metre to see results

Developed to fill a gap in the Buddleia market

Corydalis 'Blue Heron' Autumn Planting Onions while the inclusion of sandBright blue tubular flowers with white throats Sweet fragrance Flowers for a long period in spring and early summer Grows well in light shade With its stunning bright blue flowers on red stems above ferny foliage, Corydalis Blue Heron looks fantastic in a shady spot, adding colour and fragrance from spring to early summer. A very strong, reliable performer, with a long flowering period and foliage that does not die back in summer.