Temperate Plants Mod 1.7.10 adds in sixteen new plants that spawn in Forge Biome Dictionary biomes marked plains, forest, mountain, and hills. They are just for decoration and be planted on grass. You can use the config file to change their names and spawning rarity if you want.
Temperate Plants Mod 1.7.10 Installation:
Download links for Temperate Plants Mod 1.7.10
For Minecraft 1.5.2
For 1.6.2/1.6.4
For Minecraft 1.7.2
For Minecraft 1.7.10