to Jan. 10

Treefest 25 theme-decorated trees, plus music and a visit by Santa; 5 to 7 p.m. Free. Runs daily from 9 a.m. to 5 p.m. Bucks County Visitors Center, 3207 Street Rd., Bensalem; 1-800-836-2825; www.visitbuckscounty.com.

Wednesday, Nov. 26

Bus Trip to Longwood Gardens Final day to register for a tour of Longwood's East Conservancy and private areas. Bus leaves the Pennsylvania Horticultural Society at 8:30 a.m. Dec. 5, returns 3 p.m. Fee: $10 in advance, includes snacks and refreshments. Information: citygardening@pennhort.org; 215-988-8872; www.pennsylvaniahorticulturalsociety.org.

Up ahead

Greens Sale Pre-Order: Wreaths, door swags, poinsettias, centerpieces, evergreens, more (prices vary); pre-order payment required by Nov. 28: www.awbury.org. Information: 215-849-2855, Ext. 15; linda@awbury.org. Awbury Arboretum, Francis Cope House, 1 Awbury Rd. (entrance off Chew Avenue, between Washington Lane and Haines Street).

Planting Ornamentals Properly Program with master gardener Julie Philips, 7 p.m. Dec. 11 at Montgomery County Cooperative Extension, 1015 Bridge Rd., Collegeville. Fee: $15; preregistration and payment required seven days in advance. Information: 610-489-4315; http://montgomery.extension.psu.edu, click on "Horticulture."

House Plants - Your Winter Garden Ginny Page discusses keeping your house plants healthy and vigorous, 6 to 7 p.m. Dec. 3 at the South Philadelphia Free Library branch, 1700 S. Broad St. Free; preregistration required: citygardening@pennhort.org; 215-988-8872.

Holiday workshops

Cornucopias, Wreaths, Boxwood Trees Classes at Triple Oaks Nursery 7 to 9:30 p.m. Wednesdays, Nov. 26 to Dec. 17 (no class Dec. 10). Fee: $63.13, check payable to Gloucester County College, Division of Lifelong Learning, plus $135 materials fee, check payable to Triple Oaks Nursery. Preregistration required: 856-425-2217. Holiday advent wreath ($40), 6:30 p.m. Nov. 28. Evergreen wreath ($50), every 45 minutes from 1 to 3:15 p.m. Dec. 5 to 8. Botanical centerpiece ($55, includes refreshments), 6:30 p.m. Dec. 19. Preregistration required: 856-694-4272. Information: www.tripleoaks.com. Triple Oaks Nursery, 2359 Delsea Dr., Franklinville.

Wreaths and Centerpieces Classes from 9:30 to noon Dec. 1, 3, 5, 8 and 10. Fee: $25 each; $20 each for groups of five or more; preregistration required by Nov. 28 at www.awbury.org. Information: 215-849-2855, Ext. 15; linda@awbury.org. Awbury Arboretum, Francis Cope House, 1 Awbury Rd. (entrance off Chew Avenue, between Washington Lane and Haines Street).

Dried-Flower Holiday Decorations Demonstration on drying flowers to make a kissing ball, flower tree and wreath 11 a.m., noon and 1 p.m. Dec. 2. Free with admission: $15; $13 students, seniors; $5 ages 2-11 (house admission, $5 additional). Winterthur Museum and Country Estate, Galleries Reception Area, Route 52 (five miles south of Route 1), Winterthur; 1-800-448-3883; 302-888-4600; www.winterthur.org.

Holiday Decorations Make items to sell at the Friends of the Wissahickon greens sale, benefiting Wissahickon Environmental Center: Bows 10 a.m. to 2 p.m. Dec. 2 and 3 at Wissahickon Environmental Center, Northwestern Avenue and Forbidden Drive. Door swags 10 a.m. to 2 p.m. Dec. 9 at Valley Green Inn, Forbidden Drive near Valley Green Road. Decorated wreaths 10 a.m. to 2 p.m. Dec. 10 and 11 at Valley Green Inn. Free, includes refreshments; registration required. 215-685-9285.

Fruit Wreath Demonstration in traditional Williamsburg style (Della Robbia), plus display of examples; 10 a.m. to noon. Dec. 3. $20 includes continental breakfast; register by Dec. 1. Peddler's Village, Routes 202 & 263, Lahaska; 215-794-4059; www.peddlersvillage.com.

Holiday Decorations Decorative outdoor container, 10:30 to 11:30 a.m. Nov. 29 ($25; bring pruners, gloves). Critter ornaments 1:30 to 3:30 and 6:30 to 8:30 p.m. Dec. 4 ($20 each, ages 13 to adult; bring pruners, work gloves, hot glue gun if available). Centerpiece 1 to 3 p.m. Dec. 7 ($32; bring floral scissors or pruners, light work gloves). Wreath 1 to 3:30 p.m. Dec. 14 and 7 to 9:30 p.m. Dec. 15 ($32 each; bring pruners, work gloves). Preregistration required. Tyler Arboretum, 515 Painter Rd., Media; 610-566-9134, Ext. 212; www.tylerarboretum.org.

Wreath/Centerpiece Class at 7:45 p.m. Dec. 4 at Narberth Area Garden Club meeting. $10; bring clippers, bowl (if making centerpiece). Narberth Borough Hall, second floor, Conway and Haverford Avenues, Narberth. Information: 610-664-5429; www.narberthpa.org/nagc.

Wreath 11 a.m. to 3 p.m. Dec. 5 and noon to 4 p.m. Dec. 6 and 7. $44; preregistration required, bring shears or scissors. Wyck Historic House, 6026 Germantown Ave. Information: www.wyck.org or 215-848-1690.

Wreaths Classes 7 to 9 p.m. Dec. 5 and 10 a.m. to noon Dec. 6. Advanced wreaths 7 to 9 p.m. Dec. 4 and 2 to 4 p.m. Dec. 6. Registration required; bring pruners and dish gloves. Swarthmore College, Scott Arboretum office, Route 320 & College Avenue, Swarthmore; 610-328-8025; www.scottarboretum.org. Fee: $50.

Wreaths Classes 9 a.m. to noon Dec. 5 and 1 to 4 p.m. Dec. 6. Fee: $109, includes materials; preregistration required, bring pruners, 4 yards of festive ribbon, embellishments as desired. Longwood Gardens (Acer Room), Route 1, Kennett Square; 610-388-1000, Ext. 559; www.longwoodlearning.org.

Wreaths Made with native plants, natural materials; 10 a.m. to noon Dec. 6. Fee: $42; prepayment required by Dec. 3. Bowman's Hill Wildflower Preserve, River Road (Route 32), New Hope; 215-862-2924; www.bhwp.org.

Topiary Snowman Class 10 a.m. to noon Dec. 6. Fee: $65; preregistration required: 610-847-1300; jfritz@epix.net. Linden Hill Gardens, 8230 Easton Rd. (Route 611), Ottsville; www.lindenhillgardens.com.

Holiday Outdoor-Light Display Class 4 to 7 p.m. Dec. 6. Fee: $59, includes materials to start your own display; preregistration required, dress for weather. Longwood Gardens (Betula Room), Route 1, Kennett Square; 610-388-1000, Ext. 559; www.longwoodlearning.org.

Holiday Critters Made with natural materials; 10 a.m. to noon Dec. 6. Fee: $15, 8 years to adult (children must be accompanied by an adult); preregistration required: 302-831-2667; http://ag.udel.edu/nccmg. New Castle County Cooperative Extension, 461 Wyoming Rd., Newark.

Holiday Decorations Wreaths 10 a.m. to noon and 1 to 3 p.m. Dec. 6. ($55 each, bring garden gloves, pruners). Tabletop tree centerpiece with lights, noon to 2 p.m. and 6:30 to 8:30 p.m. Dec. 18 ($60). Centerpiece 1 to 3 p.m. Dec. 20 ($55, bring clippers, box for centerpiece). Kids' holiday centerpiece 10 a.m. to noon Dec. 20 ($33). Preregistration required; all materials supplied. Morris Arboretum, 100 Northwestern Ave.; 215-247-5777, Ext. 156 or 125; www.morrisarboretum.org.

Handmade Gifts From Nature Wrapping paper, personalized cards, ornaments and gift boxes 7 to 9 p.m. Dec. 9. Fee: $10 ages 10 to adult; preregistration required. Schuylkill Center for Environmental Education, 8480 Hagy's Mill Rd.; 215-482-7300; www.schuylkillcenter.org.

Native Holiday Centerpiece Class 1 to 3 p.m. Dec. 10. Fee: $50; preregistration required: 302-234-4244, www.mtcubacenter.org. Bring hand pruners. Mount Cuba Center, 3120 Barley Mill Rd., Hockessin, Del.