Holiday Plants: 9-11:30 a.m. today, Clayton Hall at Pasco County Cooperative Extension Service (at Pasco County Fairgrounds), 36702 SR 52, Dade City. Master Gardeners present free seminar on post-holiday care for holiday plants, plus $1 plant sale, $2 melaleuca mulch; registration suggested. Call (352) 521-4288 or (727) 847-8177, ext. 4288.
Orchid Gardening: 2-4 p.m. today, Dunedin Public Library, 223 Douglas Ave. Dunedin Garden Club meeting with Orchid Gardening programming. Call (727) 733-5727.
Pioneering Naturalists: 2-3 p.m. today, Weedon Island Preserve, 1800 Weedon Drive NE, St. Petersburg. Learn about Florida's first naturalists and their efforts to preserve Florida's landscapes and natural habitats; free. Call (727) 453-6500 to register.
'Seasonal Sensations': 5-10 p.m. nightly today through Jan. 3 at Florida Botanical Gardens, 12520 Ulmerton Road, Largo. Stroll through a 425,000-light holiday wonderland, with brilliant lighted displays, holiday garden railway, music; free. Call (727) 582-2100.
'Trees & Traditions': 1-4 p.m. today, Heritage Village, 11909 125th St. N, Largo. Holiday trees decorated in global themes in decorated buildings throughout the Village, docent-led, self-guided tours, also available to view, 10 a.m.-4 p.m. Tue.-Sat., 1-4 p.m. Sun. through Dec.; free. Call (727) 582-2123.
Ikebana Flowers: 10 a.m.-2 p.m. Tues., Cypress Run Golf Club, 2669 St. Andrews Blvd., Tarpon Springs. St. Petersburg Chapter of Ikebana International presents demonstration on Hana Tsutusumi, or flower wrapping, plus luncheon; $30. Call (727) 442-0537 or (727) 773-9619 to reserve.
Easy Holiday Arrangements: 7 p.m. Tues., Tampa Garden Club, 2629 Bayshore Blvd., Tampa. Meeting of Moonlight Garden Circle; demonstration on making easy holiday arrangements with fresh flowers. Call (813) 251-5753 or (813) 251-5059.
Holiday Flowers: 10 a.m. Wed., Sunset Park Garden Center, 4624 Browning Ave. (off Henderson Boulevard), Tampa. Sunset Park Garden Club meets with presentation of flower arrangements, plant exchange, luncheon. Call (813) 839-4603 or (813) 837-4533 to attend.
Holiday Conservation Celebration: 6:30-7:30 p.m. Wed., Pinellas County Extension Service, 12520 Ulmerton Road, Largo. Book signing with Florida nature photographer John Moran, exhibits, auction of plants, holiday crafts; free admission. Call (727) 544-7341.
Potting, Growing Orchids: Marie Selby Botanical Gardens, 811 S Palm Ave., Sarasota offers classes on:
- Learn how to properly pot and mount different orchid species, 11 a.m. Wed., $25.
- Learn how to grow orchids in central Florida climate, 10 a.m.-1 p.m. Dec. 9, $40.
Call (941) 366-5731, ext. 239, to register.
'Lights in Bloom': The gardens' flora and fauna are illuminated with 500,000 lights in giant displays of birds, flowers and more in over 150 rainforest-themed displays, special children's "secret garden',' 20-foot "tree" made of 800 bromeliads, festive music from performers, historical mansion decorated by interior designers, trains, miniature "villages'' and more in annual Lights in Bloom at Marie Selby Botanical Gardens, 811 S Palm Ave., Sarasota, from 6-9 p.m. beginning Fri. Dec. 8-Dec. 23, Dec. 26-30. Tickets: $12 adults, $6 kids 6-11, kids 5 and under free with adult. Call (941) 366-5731, ext. 241, or visit www.selby.org.
Wildlife Treats: 11 a.m.-noon Dec. 9, Weedon Island Preserve, 1800 Weedon Drive NE, St. Petersburg. Make treats for backyard wildlife, both furred and feathered, plus easy, natural gifts for neighbors. Call (727) 453-6500 to register.
Wreaths and Feeders: 10 a.m.-3 p.m. Dec. 9, Country Club Nursery, 9850 Starkey Road, Largo. Make a holiday wreath, or kids can make pine cone bird feeders; free. Call (727) 397-4438.
Holiday Centerpieces: 10-11:15 a.m. Dec. 9, Botanical Gardens at University of South Florida, off Bruce B. Downs Boulevard, Tampa. Take home holiday floral centerpiece you create in workshop; bring pruners; $25, $20 members. Limited seating. Call (813) 974-2329. Reserve by today.
Christmas at Pinewood: Tours of decorated mansion and gardens with "Marvelous Moods of Christmas'' theme, 10 a.m.-5 p.m. Mondays-Saturdays, 1-5 p.m. Sundays, through Jan. 1 (closed Dec. 24-25), plus 60-bell carillon recital at 1 and 3 p.m. daily at the Pinewood Estate at Historic Bok Sanctuary, 1151 Tower Blvd., Lake Wales. Tour admission: $17 adult, $8 for ages 5-12, $6 members, children under 5 admitted free; includes Historic Bok Sanctuary admission. Call (863) 676-1408 or www.boksanctuary.org.
Old World Charm: 7 p.m. Jan. 8, Coquina Key Community Center, 3850 Pompano Drive SE, St. Petersburg. Bring concrete garden planters or accessories to Coquina Key Garden Club workshop; wash is applied to create a timeless "Old World'' look. Register through Dec. 15. Call (727) 823-2886 or (727) 895-5116.
Address submissions to Garden Calendar, Newsfeatures, St. Petersburg Times, P.O. Box 1121, St. Petersburg, FL 33731. Deadline is two weeks before publication.