This week’s happenings: Landscape photography class, Friday, Jan. 24, noon to 4 p.m., Longue Vue House and Gardens, 7 Bamboo Road. Nature photographer John Pickles will lead the class. Admission: $20, Longue Vue members and Louisiana master naturalists; $30, non-members. More information: 504.293.4726, hschackai@longuevue.com, longuevue.com.

Tree planting, Saturday, Jan. 25, 9 a.m., Northlake Nature Center, 23135 Highway190, Mandeville. Volunteers are needed to help Northlake Nature Center plant cypress and long leaf pine seedlings in areas damaged by hurricanes and pine beetles. More information: 985.626.1238 or Rue@northlakenature.org

Southern Native Plants Symposium, Saturday, Jan. 25, 8:30 a.m. to noon, LSU Design Building, Room 103, LSU campus, Baton Rouge. Magnolias, azaleas, southern native plants and the work of late 18th-century naturalist John Bartram will be the focus of the Friends of Hilltop Arboretum’s annual symposium. Admission: $50 for arboretum members; $65 for non-members. Registration required at hilltop.lsu.edu or hilltop@tigers.lsu.edu. More information: design.lsu.edu.

Tree Giveaway, Saturday, Jan. 25, 9 a.m. to noon, Joe Brown Park, 5601 Read Blvd. Volunteers with Hike for KaTREEna will give away two free trees per family. Trees available include: Little Gem magnolia, Southern magnolia, Japanese magnolia, mimosa, tulip poplar, mayhaw, red maple, red bud, red mulberry, fringe, Southern red cedar, lobloloy pine, crape myrtle, green ash, bald cypress, pond cypress, live oak, pecan, sweet bay, magnolia, southern sugar maple, Japanese maple, sugar berry and Topel holly. The trees have been provided by a grant from the Apache Corp.

Rose pruning class, Saturday, Jan. 25, 10 a.m., New Orleans Botanical Garden, City Park. Abedalhadi Mousa, rosarian for the New Orleans Botanical Garden, will show how to cut back hybrid tea roses for the best spring blooms and how to perform pruning maintenance on garden shrub roses. The class will be held in the Rose Garden Parterre. Admission: $10. Pre-registration required: 504.483.9473 or scapley@nocp.org.

Kinder Garden, Tuesday, Jan. 28, from 9:30 to 10:30 a.m., Longue Vue House and Gardens, 7 Bamboo Road. Children 18 month to 3 years, with an accompanying adult, will explore the Discovery Garden and learn about plant care and insects. Admission: $10, Longue Vue members; $12, non-members. More information: 504.293.4722, lvaughn@longuevue.com or longuevue.com.

The benefits of green roofs, Wednesday, Jan. 29, 6:30 p.m., New Orleans Botanical Garden, City Park. Ecologist Colleen Butler will discuss the benefits, design and construction of green roofs, the average cost of installation and other considerations. The presentation is sponsored by the U.S. Green Building Council, Louisiana Chapter. Admission: $15. More information: 504.330.1292 or usgbclouisiana.org

Looking ahead

Iris society meeting and talk, Feb. 1, 10 a.m., Longue Vue House and Gardens, 7 Bamboo Road. Discussion will focus on iris cultivation and plans for the April convention of the Society for Louisiana Irises. More information: louisianairisgnois.com.

New Orleans Old Garden Rose Society Meeting, Feb. 4, 7 p.m., John Calvin Presbyterian Church, 4201 Transcontinental Drive, Metairie. The meeting is open to the public. Admission: free, members; $5, non-members.

Rose workshop, Feb. 7-8, Natchez Grant Hotel, Natchez, Miss. The American Rose Society Gulf District presents a mid-winter workshop on rose care. Keynote speaker Mark Windham, a plant pathologist at the University of Tennessee in Knoxville, will address rose diseases. Other speakers include Don Adlong, with the Central Arkansas Rose Society; Leo Watermeier, curator of the Armstrong Park Rose Garden in New Orleans; Mississippi State University entomologist Blake Layton; Jim Mills with K M Rose Nursery in Buckatunna, Miss.; Tim and Cindy Riley with the Mississippi Old Garden Rose Society, and rose hybridizer Gene King from Monroe. Admission: $60 for the Friday dinner and Saturday program; $35 for Saturday program only. More information: 985.543.4125 or aowings@agcenter.lsu.edu.

Learn to harvest urban rainwater, Feb. 8, 9 a.m. to noon, Parkway Partners, 1137 Baronne St. Demetria Christo will give tips on catching Urban Rainwater. Available at the Parkway Partners greenhouse will be vegetable and herb starts, fruit trees and spring bedding plants. Experts available to help with fruit tree care and selection.

Termite talk, Feb. 12, 6:30 p.m., Garden Study Center, New Orleans Botanical Garden, City Park. Research entomologist Ed Freytag with the New Orleans Mosquito, Termite and Rodent Control Board will discuss termite biology, identification, house inspections and pest control. Admission: $15 Pre-registration required: 504.483.9473 or scapley@nocp.org.

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