Delphinium 'Summerfield Oberon'

Grow in a fertile, well-drained but moisture-retentive soil in full sun, in a position sheltered from strong winds, and provide stakes or other supports (for more advice on support, see staking perennials) See also Delphinium under popular plants on the RHS website

No pruning required except deadheading, cutting spent flower spikes back to flowering sideshoots, and cutting all growth down to ground level at the end of the growing season

Propagate by basal softwood cuttings in spring, or by division in early spring or early autumn

May be susceptible to aphids, earwigs, delphinium leaf miner, delphinium moth caterpillars, slugs and snails

May be susceptible to powdery mildews, delphinium black blotch, grey moulds, sclerotinia disease, crown rot and cucumber mosaic virus