This grower is sure of this plant identification.
Flowers: June-July. Plant as an aquatic marginal/bog/waterside. HxS 1mx60cm
The flower is a complex 'hose in hose' double on this native water iris. Grows in moist or boggy soil or can be placed in the pond as an aquatic marginal. Easy and a good attractor of wildlife.
Yellow Flag 'Flore Pleno'
Iris pseudacorus ‘Flore Pleno’ (Yellow Flag 'Flore Pleno'). This pond marginal plant has double yellow flowers and strap-like, mid green leaves.
Grow in full sun.
Ideal for ponds, streams, ditches, bog gardens and regularly waterlogged land.
Italics = data drawn from parent genus or speciesView Full Plant Finder Record