Plant collections are an economical and fun way to grow a variety of plants. We offer several types of plant collections for sale, including flowering plants and vines, like our popular Clematis Collection. Our Herb Collection is a great way to try more than a dozen herbs and start your own herb garden. One of our most popular collections for vegetable gardeners is the Hot Pepper Challenge Collection that features some of the hottest and most popular hot peppers. When choosing plant collections to buy online, consider their light requirements, soil requirements, plant heights and spread, bloom or harvest time, number of plants in the collection, and plant hardiness zones.