Fall is nigh, but that doesn't mean the gardening stops. Trax Farms, Finleyville, will hold a "Fall is for Planting" seminar beginning at 10 a.m. Sept. 6. Learn why fall is a great time to prepare gardens for next season and to plant perennials. All annuals, perennials, water plants, fish, shrubs and trees (excluding indoor and seasonal plants) are at least 20 percent off (412-835-3246).

Western Allegheny Community Library will hold its third An Evening Under the Stars fundraiser from 6 to 10 p.m. Sept. 6 in Findlay Township Community Park. Tickets are $25 in advance, $30 at the gate. Food and wine tastings abound. Call Jennifer Collins, 724-825-8400 or the library, 724-695-8150. Or visit westernalleghenylibrary.org. It serves Oakdale, North Fayette and Findlay.

Heart, a nonprofit organization that assists homeless women and children, will hold its 7th Art of Wine & Food event from 6 to 9 p.m. Sept. 25 at the National Aviary, North Side. Sample wine and food from local purveyors, see the aviary's exotic birds, enjoy music by Aeolian Winds. Register by tomorrow and get a discount on your tickets, which are $60, $85 for VIP treatment (5:30 admission and valet parking). Call Hearth at 412-939-2302 or visit hearth-bp.org.

Lon Durbin at Whole Foods, Shadyside, will lead a class, including tastings, of vegetarian and vegan entrees at 7 p.m. tonight. Learn how to make tasty meat-free dishes from around the world. 412-441-7960.