Meconopsis grandis

{{Short description|Species of plant}}

{{Speciesbox

| image = Himalayan Blue Poppy (Meconopsis grandis) - Jura House Gardens - geograph.org.uk - 1327483.jpg

| genus = Meconopsis

| species = grandis

| authority = Prain

}}

Meconopsis grandis, the Himalayan blue poppy, is a species of flowering plant in the poppy family (Papaveraceae), native to China (Yunnan), Bhutan, northeast India and Nepal.{{eFloras|2}}

Growing to {{cvt|1|m|ft|abbr=on}} tall and broad, this hardy herbaceous perennial has a basal rosette of toothed leaves. Large, showy, pure blue flowers up to {{cvt|15|cm}} wide,{{cite book |last1=Turner |first1=R.J. Jr. |title=Botanica |last2=Wasson |first2=Ernie |date=1999 |publisher=Barnes and Noble |ISBN=0760716420 |location=not given |page=567}} with a prominent yellow central boss are produced in late Spring.

The plant is valued as an ornamental, but is notably difficult to grow in normal garden conditions. Though perennial it can be short-lived. It prefers an evenly cool temperature and shaded conditions, in somewhat acid soil which remains reliably moist.{{cite web | url = https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=291863&isprofile=0& | title = Meconopsis grandis | publisher = Missouri Botanical Garden | access-date = 1 January 2022}}

The following cultivars are recipients of the Royal Horticultural Society's Award of Garden Merit:

• 'Bobby Masterson' {{cite web | url = https://www.rhs.org.uk/plants/127346/meconopsis-grandis-betty-sherriff-s-dream-poppy/details | title = Meconopsis grandis 'Bobby Masterson' | publisher = RHS | access-date = 1 January 2022}} (syn. 'Betty Sherriff's Dream Poppy')
• 'Mrs Jebb' {{cite web | url = https://www.rhs.org.uk/plants/224236/meconopsis-grandis-mrs-jebbs/details | title = Meconopsis grandis 'Mrs Jebb' | publisher = RHS | access-date = 1 January 2022}}