Flower sea or flower sea landscape is a kind of natural landscape or garden landscape full of flowers. The flower sea is composed of many flowers and trees, with dense flowers. People can't see the margin from a distance, it is as vast as the ocean. As soon as the wind blows, bloom flowers fall, just like the waves of the sea, hence the name.

The artificial flower sea originated from the production bases for industrial processing of flowers and bulbs, such as the famous provence lavender Garden, the Dutch tulip flower sea and the Bulgarian Rose Valley. Continuous cropping, field crops with high ornamental value and dense flowering, reserve vegetables, flower nurseries and orchards can also form beautiful flower sea landscapes. Such as rape blossoms and peach blossoms.

Huahai Scenic Area is a tourist attraction with Huahai landscape as the main sightseeing object. Such as Jiangsu Dafeng Holland Flower Sea and Guangdong Panyu Million Sunflower Garden. According to the landscape characteristics, main service functions, cultural orientation and industrial orientation, Huahai Scenic Area can be divided into several types, forming a pattern of differentiated management and diversified management. For example, the Dutch Flower Sea in Dafeng, Jiangsu Province takes tulips as landscape features and weddings as its main service function.

Huahai tourism, also known as flower tourism, is a kind of tourism with the main purpose of enjoying flowers. China has a vast territory, diverse climate and rich species. Different flowers compete or bloom for the second time in different seasons and regions. With the rapid development of tourism, Huahai tourism has become a tourist hotspot.

The ornamental, diversity, affinity and culture of Huahai landscape can connect with many service functions such as wedding, health care, parent-child, cultural creation, amusement, camping, hotel, catering, conference and training. And even form a flower sea complex, and it is possible to operate in a chain, so flower sea tourism has great development prospects.