Hansen's is a Hero of the Planet Monday, January 5th 2009 O’Fallon-based Hansen’s Tree Service was named as a finali. Read More Three More Empoyees Become ISA Certified Arborists Friday, January 2nd 2009 O’Fallon-based Hansen’s Tree Service announced three more . Read More Fire Blight Friday, July 6th 2007 Click H. Read More Previous 2 3 4 5 6 7 8		Take a look at these tomato plants! Monday, June 7th 2010 Go to the gallery section of this website & check out Walker's Garden. He planted them using our compost (nicknamed "the magic beans") and look at how big, beautiful & vibrant the plants are already! We can't wait to see the plants produce in July!! Stay tuned!