Information Sites

Butterfly Gardening -- Clemson University

Grasses -- a really great source for grass information

Hummingbirds -- includes a dated map to trace the migration in spring

Ontario Weeds -- an excellent source from OMAFRA

Plant Diseases -- a site from the U of Guelph

Poisonous Plants -- a Canadian guide

Shrub Pruning -- a calendar of when to prune (in Virginia so do some zone adjustments)

US Department of Agriculture -- plant database -- great photos, too

Weed Identification -- from the Illinois Council of Food and Agriculture Research

What Blooms When -- a document from Harvard Arboretum documenting when plants bloom (in New England!)

Top Soil Amount Calculator -- good site if you don't want to do the math