March 6 - Beautiful Landscape Fair. 10 a.m.-2 p.m., at Rosevilles Harriet Alexander Nature Center (One-half mile north of Highway 36 on Dale Street.) The event will showcase environmentally sustainable landscaping and lawn care professionals and practices. For information, call Mary Morse at 651-917-7577.

March 9 - Spanish Language Seminar. MNLA Landscape Contractors Education Day. Earle Brown Center, University of Minnesota-St. Paul. Call MNLA at 651-633-4987.

March 13 - Nurturing the Landscape. 9 a.m.-12:30 p.m., University of St. Thomas-St. Paul. The Well-Tended Perennial Garden: The Facts on Maintenance, Tracy DiSabato-Aust; and When Good Trees Go Bad, Gary Johnson. For more information, call the Minnesota State Horticultural Society at 651-643-3601.

March 18 - Management Ideas for the Landscape Industry. Presented by Management Concepts Inc. Plymouth Inn. For information, call 937-643-3000.

March 18-19 - Plant Exploration: Protocols for the Present, Concerns for the Future. Chicago Botanic Garden. For more information, call 847-835-8261.

March 20 - Expanding Your Horticultural Horizons. 9 a.m.-2:15 p.m., Earle Brown Center, UM-St. Paul. A Passion for Plants, Christopher Woods; Using Bulbs in the Garden, Brent Heath; and Perennials for Cold Climates, Mike Heger. For information, call the Minnesota Landscape Arboretum at 612-443-2460.

March 23-25 - Certified Irrigation Contractor Study Course and Examination. Presented by the national Irrigation Association and MNLA. Earle Brown Center, University of Minnesota-St. Paul. Call MNLA at 651-633-4987.

March 23 - Introduction to Minnesota Trucking Regulations. 8:30 a.m.-11:30 a.m., Detroit Lakes City Administrative Center. Seminars are also offered on Auditing Driver Logs; Basic Hazardous Materials Communications and Packaging; Drug and Alcohol Testing; Hours of Service; How to Prepare for a DOT Safety Audit; and Vehicle Inspection Repair & Maintenance. For more information, call the Office of Motor Carrier Services at 651-405-6060 or toll-free 888-472-3389.

March 27 - Designing a Perennial Landscape. 9 a.m.-12:30 p.m., Minneapolis Convention Center. Perennials for the Plains & Prairies, Sara Williams and The Rain Water Garden, Fred Rozumalski. For more information, call the Minnesota State Horticultural Society at 651-643-3601.

March 30-31 - Shade Tree Short Course. 8 a.m.-3:30 p.m., Bethel College, St. Paul. Recovering From Storms and Other Natural Disasters. For more information, call Tracy Benson at 612-624-3708 or 800-367-5363.

April 10 - Landscapes of Woods, Wetlands and Wildflowers. 9 a.m.-12:30 p.m., Earle Brown Heritage Center, Brooklyn Center. Inspiration from the Forest, Ken Druse and Restoring Minnesotas Native Landscapes, Andy Sudbrock. For more information, call the Minnesota State Horticultural Society at 651-643-3601.

April 24 - The Evolving Garden. 9 a.m.-2:15 p.m., Earle Brown Center, University of Minnesota-St. Paul. Garden Renovations: Preserving the Spirit of the Original Design, Iain Robertson; The New American Garden, Carole Ottesen; The Changing Landscape, Mary Maguire Lerman. For more information, call the Minnesota Landscape Arboretum at 612-443-2460.

August 5-6 - MNLA Summer Meeting and Trade Show. Bailey Nurseries, Inc., St. Paul. Call MNLA at 651-633-4987.

September 15-18 - International Plant Propagators Society meeting. Bloomington Marriott. For information, call John Daniels at 651-463-3288.

September 22-26 - Bedding Plants International National Conference. St. Paul River Centre.

March 9 - Spanish Language Seminar. MNLA Landscape Contractors Education Day. Earle Brown Center, University of Minnesota-St. Paul. Call MNLA at 651-633-4987.

March 23-25 - Certified Irrigation Contractor Study Course and Examination. Presented by the national Irrigation Association and MNLA. Earle Brown Center, University of Minnesota-St. Paul. Call MNLA at 651-633-4987.

August 5-6 - MNLA Summer Meeting and Trade Show. Bailey Nurseries, Inc., St. Paul. Call MNLA at 651-633-4987.