Meconopsis baileyi, Meconopsis betonicifolia, Himalayan Blue Poppy or Bailey’s Himalayan Blue Poppy is a clump-forming perennial but short-lived. It is native to Tibet and it is part of the Papaveraceae family of plants. Meconopsis baileyi was named in 1912 by Frederick Marshman Bailey (1882-1967), a British intelligence officer, he was also an explorer and photographer, a Fellow of the Royal Geographical Society. He was a butterfly collector and 2000 of his bird specimens were given to the Natural History Museum. It forms a rosette of leaves and can grow to about 1.2m or 4ft. The blue flowers appear on erect stems in late spring or early summer. The flowers are about 10cm or 4in in width. It has a prominent yellow center with stamens. The flowers are identical to poppy flowers however the seedheads are different Meconopsis baileyi seedheads are thin and long.
Meconopsis baileyi can be planted in partial shade in slightly acid or neutral soil that is humus-rich, moist, and well-drained. Cool damp summers are ideal for this plant. Propagate from seed or division. Plant seeds from March to May. Cut it down all the way to the base in late autumn. Watch out for slugs and snails and downy mildew. It attracts bees and other pollinators.