19-21 Indiana Arborist Association Annual Conference. Marriott Inn, Indianapolis, Ind. For more information, visit www.indiana-arborist.org.

20-21 Maryland Arborist Association Winter Seminar. Turf Valley Resort & Conference Center, Ellicott City, Md. To learn more, call 410-321-8082, e-mail mdarborist@comcast.net or visit www.mdarborist.com .

21 4th Annual Rio Grande Valley Urban Forestry Conference. Palmview Community Center, McAllen, Texas. For more information, visit www.isatexas.com .

22 Tree Pruning with Dr. Ed Gilman. Tallahassee, Fla. For details, visit www.floridaisa.org.

23-February 27 Arborist Certification Workshops. Lincoln Land Community College, Springfield, Ill. To learn more, visit www.illinoisarborist.org.

25 UCFC/ISA Utah Chapter Annual Meeting. Mi Ranchito Grill Mexican Restaurant, Sandy, Utah. For details, visit www.utahurbanforest.org.

26-28 Soil & Plant Relationships. Rutgers University, New Brunswick, N.J. For more information, call 732-932-9271 or visit www.cpe.rutgers.edu .

27-29 WinterGreen 2010 Conference & Trade Show. Gwinnett Civic Center, Duluth, Ga. For details, e-mail info@ggia.org or visit www.ggia.org.

29-30 Think Trees Conference. Albuquerque, N.M. For more information, call 505-243-1386 or visit http://thinktreesnm.org.

31-February 2 45th Annual Shade Tree Symposium. Lancaster Host Resort, Lancaster, Pa. To learn more, call 215-795-0411 or visit www.penndelisa.org.


1-2 2010 Great Plains Shade Tree Conference. Embassy Suites, Lincoln, Neb. For details, visit www.nearborists.org.

3-5 New England Grows. Boston Convention & Exhibition Center, Boston, Mass. To learn more, visit www.NewEnglandGrows.org.

4 Up by Roots Workshop. Houston, Texas. For details, visit www.isatexas.com .

4-April 21 17th Arborist Certification Preparation Course. Brea Conference Center, Brea, Calif. To learn more, call 949-454-2409 or visit www.tedstamen.com .

7-11 Tree Care Industry Association Winter Management Conference. Hilton Waikoloa Village, Waikoloa, Hawaii. For more information, call 603-314-5380 or visit www.tcia.org.

8-9 Southwest Park & Recreation Training Institute Arborist Workshop. Hulbert, Okla. For details, call 817-392-5705 or e-mail Melinda.adams@fortworthgov.org.

9-10 Manitoba Green Show. Victoria Inn, Winnipeg, Man. To learn more, call 866-383-4711, e-mail rebecca@canadanursery.com or visit www.landscapemanitoba.com .

9-12 ProGreen Expo. Colorado Convention Center, Denver, Colo. For more information, visit www.progreenexpo.com .

13 Long Island Arboricultural Association Annual Tree Conference. Farmingdale State College, Farmingdale, N.Y. To learn more, call 516-454-6550 or visit www.longislandarborists.org.

14-16 2010 Ohio Tree Care Conference. Greater Columbus Convention Center, Columbus, Ohio. For details, visit www.ohiochapterisa.org.