- Alabama, Baldwin County - Baldwin County Master Gardeners' Annual Plant Sale; April 5-7, 2013; Weeks Bay Reserve
- California, Walnut Creek - Greywater workshop; May 4, 2013; Registration and fee, Location provided upon registration.
- Canada, Ontario, Niagara Falls - 3rd Annual Greater Niagara Home & Garden Show; April 5-7, 2013; Scotiabank Convention Center
- Illinois, South Holland - 12th Annual Waterscape Weekend Garden & Pond Expo; April 27-28, 2013; Lake County Fairgrounds
- Indiana, Evansville - Southwestern Indiana Master Gardener Association’s Plant Sale; May 4-5, 2013; Vanderburgh 4-H Center
- Ohio, Geauga County - Master Gardeners' plants et al. Sale; June 19, 2013; Geauga County Historical Society's Century Village
- Oklahoma, Stillwater - 24th Annual Home and Garden Show; April 6-7, 2013; Payne County Expo Center
- Massachusetts, Mall at Chestnut Hill - "Step Into Spring" garden & flower show; Begins April 6, 2013, runs thru May 12, 2013; Mall at Chestnut Hill
- New York, Genesee County - Master Gardeners Coffee and Dessert Series;
- Secret Gardens; April 17, 2013
- Worm Composting & Lasagna Gardening; April 24, 2013
- Annuals in the Garden; May 1, 2013
- New York, Orleans County - Spring into Gardening Education Day; April 6, 2013; No location listed - see details at this link (Scroll down for details)
- New Zealand, Auckland - Daltons School of Gardening summer series - final installment; April 13, 2013; Bunnings Warehouse, Mt Roskill on Carr Road
- Pennsylvania, Chambersburg - Rose care workshops; Beginning April 6, 2013; Redington residence garden, 347 Leedy Way East
- Texas, Glen Rose - Somervell County Master Gardeners Community Horticulture Education Series, "Herbicide Safety for the Home Gardener;" April 8, 2013; Somervell County Citizens Center, 209 SW Barnard St.
Garden Events ...
