Primula florindae

Giant cowslip, Primula florindae, is the largest and most impressive species cowslip. Its leaves grow up to 45cm long and clusters of up to 80, nodding, pale yellow flowers appear from July to August. Vigorous and long-lived, Primula florindae thrives in moist soil which doesn't dry out, such as in bog gardens, the pond edge and beside a stream.

To avoid a build-up of large colonies, deadhead plants before they get a chance to self-seed. To raise a few new plants, collect seed – which remains viable for several years – and sow when ripe or in late winter.