Some flower farmers have put up signs and barriers to deter aspiring influencers from trampling tulips in nearby fields. Tulip fields have started becoming a popular draw elsewhere in Europe.

LISSE, Netherlands — Nestled among tulip fields not far from Amsterdam ... Staff plant and nurture a staggering 7 million flower bulbs to ensure visitors who flock to the Keukenhof from around ...

An employee plants tulips at the Keukenhof flower garden in Lisse, Netherlands (Molly Quell/AP) Nestled among tulip fields not far from Amsterdam, the world-famous Keukenhof garden has opened for ...