Customers look at plants in the greenhouse.Spring is in the air, which means the North Georgia Technical College Horticulture Department is hosting their Spring Plant Sale. The semi-annual sale will be held from 9 a.m. to 3 p.m. each day, beginning Monday, April 17 and ending on Thursday, April 20. The sale will be at the Greenhouses on the Clarkesville NGTC Campus and will feature a wide variety of plants including summer annuals, perennials, trees, shrubs, groundcovers, tropical plants and vegetable plants including heirloom tomatoes. Funds from the sale will be used to help Horticulture students with upcoming projects and trips, including a trip to Disney World to study the plants and landscape. Cash or check only will be accepted the day of the sale.