Fall Festival: family activities 9 a.m.-7 p.m., pumpkin decorating classes at 10 a.m., 2 p.m., 4 p.m. at Cornelius Nursery, 2233 S. Voss; register at corneliusnurseries.com. Free.
Nature Revealed: Monarchs: with Kelsey Low. 9:30-11:30 a.m. at the Houston Arboretum and Nature Center, 4501 Woodway; 713-681-8433, register at houstonarboretum.org. $20 members, $35 nonmembers.
Peckerwood Garden’s Oak Collection: 10 a.m.-noon at 20559 FM 359, Hempstead; 979-826-3232; register at peckerwoodgarden.org. Nonmembers $15, members free.
Hibiscus Class and Hibiscus Grafting: with Jim Maas and Joe Miller. 10 a.m. at Maas Nursery, 5511 Todville, Seabrook; 281-474-2488, maasnursery.com. $35.
Via:: Home and Garden