| ARBORISTS |
| Illinois Arborist Association | http://www.illinoisarborist.org/index.html |
| International Society of Arboriculture | http://www.treesaregood.com/ |
| Tree Care Industry Association | http://www.natlarb.com/ |
| BOTANIC GARDENS |
| Chicago Botanic Garden | http://www.chicagobotanic.org |
| The Morton Arboretum | http://www.mortonarb.org |
| Garfield Park Conservatory | http://www.garfield-conservatory.org |
| Missouri Botanical Garden | http://www.mobot.org |
| CATALOG |
| Cyndi’s Garden Catalogs List | http://www.gardenlist.com/ |
| EMERALD ASH BORER |
| EAB Information | http://www.emeraldashborer.info/ |
| Purdue University | http://www.entm.purdue.edu/EAB/ |
| USDA Forest Service | http://na.fs.fed.us/fhp/eab/ |
| EXTENSION SITES |
| University of Illinois Extension | http://www.extension.uiuc.edu |
| Illinois Master Gardeners | http://www.extension.uiuc.edu/mg |
| University of Wisconsin-Extension | http://www.uwex.edu |
| GARDENING FOR KIDS |
| Kids Gardening | http://www.kidsgardening.com |
| Un. of IL Extension: Great Plant Escape | http://www.urbanext.uiuc.edu/gpe/index.html |
| GENERAL HORTICULTURE |
| Un. of IL Extension Hort Corner | http://www.urbanext.uiuc.edu/hort/index.html |
| Purdue University Consumer Horticulture | http://www.hort.purdue.edu/ext/hort.html |
| Plants for Wet Sites | http://www.ces.ncsu.edu/depts/hort/hil/hil-646.html |
| Horticulture Links | http://www.ces.ncsu.edu/depts/hort/consumer/hortinternet |
| USDA Hardiness Zone Map | http://planthardiness.ars.usda.gov/PHZMWeb/ |
| HOUSEPLANTS |
| Purdue Houseplant Problems | http://www.ces.purdue.edu/extmedia/BP/BP-55.html |
| Int. Carnivorous Plant Society | http://www.carnivorousplants.org |
| INSECTS/DISEASES |
| Un. of IL Extension IPM | http://www.ipm.uiuc.edu/hyg/insects/index.html |
| Un. of IL Ext. Plant Problems | http://www.urbanext.uiuc.edu/focus |
| Un. of IL Ext. Bug Review | http://www.urbanext.uiuc.edu/bugreview/index.html |
| Iowa State Entomology Dept. | http://www.ent.iastate.edu/ |
| LAWN |
| U. of I. Ext. Lawn Talk | http://www.urbanext.uiuc.edu/lawntalk/index.html |
| NEWSLETTERS |
| Chicago Botanic Garden’s Newsletter Signup | http://www.chicagobotanic.org/email_app.html |
| Morton Plant Health Care Report | http://www.mortonarb.org/tree-plant-advice/category/97/plant-health-care-reports.html |
| Home, Yard & Garden Pest | http://www.ag.uiuc.edu/cespubs/hyg/html |
| ORNAMENTAL GRASSES |
| Iowa State Un. Picture Key | http://www.eeob.iastate.edu/research/iowagrasses/picture-key.html |
| Ohio State Un. Fact Sheet | http://ohioline.osu.edu/hyg-fact/1000/1238.html |
| Un. of IL Ext. Orn. Grasses | http://www.urbanext.uiuc.edu/grasses |
| PLANT DATABASES |
Chicago Botanic Garden's
Illinois’ Best Plants | http://www.bestplants.org |
| Missouri Botanical PlantFinder | http://www.mobot.org/gardeninghelp/plantfinder/Alpha.asp |
| Ohio State Univ. Plant Facts | http://plantfacts.osu.edu |
| Upper Midwest Plants | http://www.midwestlandscapeplants.org/index.cfm |
| Un. of IL Plants: Woody Ornamentals | http://wp.nres.uiuc.edu/plant/ |
| USDA Plant Database | http://plants.usda.gov |
| VA Tech Woody Plant Key | http://www.cnr.vt.edu/dendro/dendrology/idit.htm |
| PRAIRIE |
| Prairie Establishment & Landscaping | http://dnr.state.il.us/conservation/naturalheritage/prairie/table.htm |
| Tallgrass Prairie in Illinois | http://www.inhs.uiuc.edu/~kenr/tallgrass.html |
| WEEDS |
| Rutgers’ Weed Images | http://www.rce.rutgers.edu/weeds/default.asp |
| Un. of IL ACES | http://web.aces.uiuc.edu/weedid/ |
| GARDEN INFORMATION PHONE NUMBERS |
| Plant Information Hotline | (847) 835-0972 |
| Lenhardt Library | (847) 835-8201 |
