Forum:My Plant Deck - Needs Help Fast!!!

I have just made a new plant deck the cards i have are very limited i just started buying the Crossroads of Chaos packets. I know i am a bit behind in the packets area but meh i'll just get others aswell

here is my decklist feel free to comment and rate

I havn't got and Black Gardens yet but i dunno why they are so good as i look at the card it seems a bit negative to me could anyone explain to me y it is very good for a plant deck.