iTunes has an enormous number of free gardening shows from podcasts and television shows that you can download at no cost, for viewing on both Mac's
and PC's.
If you install the
FREE Apple iTunes application on your Mac
or PC, then you can subscribe and/or download any of the programs you like onto your computer to watch anytime.
Apple - iTunes - Download iTunes Now
Once iTunes is installed if you click on this link it should take you to the long list of gardening programs that you can download and watch at your convenience.
Connecting to the iTunes Store.
There are also thousands of other free movies and podcasts available on iTunes.