Boskoop is a town in the province of South Holland. It was a separate municipality until it merged into Alphen aan den Rijn in 2014. The town had a population of 15,050 in 2012 and covers an area of 7.29 km2 of which 1.39 km2 is water. It's the world's biggest joined floriculture area. Boskoop is famous for its nurseries, particularly woody plant and perennial nurseries, of which some 774 are situated on long stretches of land, divided by narrow canals.