Symbiosis

Plant a lot of seeds to defeat the alien army. After all, they want nothing but to conquer your world. No matter what happens, you must not allow these aliens to succeed. Symbiosis is presented to you by SolidGames.com and is sponsored by Armor Games. This strategy game has been played 4,874 times by our visitors and currently has a rating of 90% after 62 votes.

Also from this series:
Symbiosis Greenland