绿化苗木是指用于绿化环境的花卉植物，包含:乔木、花灌木、草本、禾苗类、水生植物、盆栽类。绿化苗木有人工培育，具有特定的形态特征，(例:高度一致、直径一致、分枝点一致)它通常用于园林绿化、道路绿化、公园绿化、小区绿化等一切自然环境、生活环境、公共环境绿化之中。它能改善空气环境质量，增添生活的色彩，同时也能放松人们的工作与生活压力，感到心情愉悦。
Greening seedlings refer to the flowers and plants used for greening environment, including trees, flowers and shrubs, herbs, grass seedlings, aquatic plants and potted plants. Green seedlings are cultivated artificially and have specific morphological characteristics (e.g. consistent height, diameter, and branch points). They are usually used in landscaping, road greening, park greening, community greening and other natural environment, living environment, and public environment greening. It can improve the quality of air environment, increase the color of life, relax people's work and life pressure, and feel happy.