large group of pink flowers of ageratum houstonianum plant commonly known as lossflower, bluemink, blueweed or mexican paintbrush

growth agriculture foliage texture environment pattern growing flower pink flowers white garden nature green plant summer blossom beauty bloom spring beautiful flora floral color petal field leaf park meadow time outdoors outdoor outside background botanical gardens petals leaves season natural colorful macro fresh closeup botany large group ageratum houstonianum commonly lossflower bluemink blueweed mexican paintbrush sunny