The narrow window for visiting the Keukenhof Gardens in Lisse (in the province of South Holland in the Netherlands) is limited to eight weeks a year—between March and May. So flower-lovers, gardeners and photographers from all over the world convene at the Gardens at that time, coinciding with the season when the flowers are in full bloom.
Riverboats plan “Tulip Cruise” itineraries during this period. And if you are lucky enough to be on one …