To further your knowledge and interest in landscaping and gardening, Greenwood Nursery provides this listing of free online gardening and landscaping courses.

BBC How to be a Gardener

http://www.bbc.co.uk/gardening/htbg/

Houseplant Maintenance

Introduction to Organic Gardening

Low Maintenance Gardening

Perennial Gardening

Wildlife in the Lawn and Garden

http://www.gardening123.com/courses/default.asp?MS=10

Free gardening mini-classes:

https://www.craftsy.com/gardening/shop/free-gardening-classes 

Note: While these courses are from reliable sites to the best of our knowledge, we take no responsibility for them nor offer any technical support for them.