What's a good site for planting tips?

I'm entering a compitition and don't know any good sites... So can you more experenced people give me tips and some sites... I'm growing a English Ivy, Hibiscus, and Foxtail Fern. Thank you!!!!
What's a good site for planting tips?
I read a lot of useful tips on this site:

http://www.gardening-information.info/bl...
Reply:www.gardenweb.com

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