A big sale on plants can include a variety of products at discounted prices. Some possible items that may be included in a big sale on plants are:

1. Assorted plant varieties: A big sale on plants may include a wide variety of plants, such as succulents, ferns, orchids, snake plants, air plants, cactus, and bonsai. These plants may be discounted by a certain percentage or sold at a fixed price.
2. Planters and pots: A big sale on plants may also include discounted planters and pots of different sizes and styles. This can include ceramic pots, terra cotta pots, hanging planters, and more.
3. Soil and fertilizers: A big sale on plants may also include discounted soil and fertilizers to help your plants grow.
4. Garden tools and accessories: A big sale on plants may also include discounted garden tools and accessories, such as watering cans, pruning shears, gloves, and more.
5. Garden books: A big sale on plants may also include discounted garden books that can help you learn more about gardening and how to take care of your plants

Please note that the availability of the products and the discounts may vary depending on the season and region. It’s always wise to check  of the store before placing your order.