Plant propagation and floral design will be demonstrated in separate programs at Green Spring Gardens Park. On Saturday, from 10 to 11:30 a.m., learn how to turn a single plant into many. Use hatchets, pruning knives and garden forks to lift, split and divide garden favorites before taking one home. Fee: $15, registration required. 703-642-5173. On Sunday, from 1 to 3 p.m., professional floral designer Tina Svenson uses flowers and foliage to present artful basics of floral arrangement. Fee: $24, registration required. 703-941-7987. www.greenspring.org . . . Upperville Garden Club Daffodil Show will be held Monday, 2 to 5 p.m. and Tuesday, 8 to 10:30 a.m. in Upperville, Va. See old favorites, new hybrids and rare exotic varieties. Trinity Parish House, Upperville. Free. 540-554-8816 . . . "Fragrance in the Garden" is the topic of a new lecture series sponsored by Brookside Gardens. Tomorrow, from 10 to 11:30 a.m., learn about 30 fragrant plants that thrive in this region. 1800 Glenallan Ave., Wheaton. Fee: $5, registration required. 301-962-1451. www.brooksidegardens.org . . . Low-maintenance garden design is the subject on Saturday for the Virginia Cooperative Extension's next "First Saturdays in the Garden" program. Between 9:30 and noon, learn about creating a low-maintenance garden at home through soil preparation and matching plants with place. 1301 College Ave., Fredericksburg. Free. 540-899-4020. www.ext.vt.edu . . . A plant sale sponsored by the Baltimore African Violet Club will be held this weekend at Harford Mall. On Saturday, from 10 a.m. to 9:30 p.m. and Sunday, 11 a.m. to 5 p.m. 696-A Bel Air Rd., Bel Air, Md. Free. 410-879-9319.