An ideal category image is 300px X 300px. Also, make sure the image is compressed to a 50% compression level on this website:
http://jpeg-optimizer.com/
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Images are compressed and resized to 600 X 600. Make sure you are starting with a square image that is at least this size please.
These starter plant liners are the best royalty-free varieties we've collected over the years. Typically they are less expensive because no royalties have to be paid, and you are not required to buy tags. You do not need permission to propagate these plants.