Siege of Trees, Greater

Siege of Trees, Greater

Transmutation
Level: Druid* 9
Components: V,S
Casting Time: 10 minutes
Range: close (25 ft. + 5 ft./2 levels)
Target: one Gargantuan, Huge, or Large plant per three caster levels
Duration: 1 hour/level (D)
Saving Throw: None
Spell Resistance: no

As siege of trees, but you can affect larger-sized plants. Each plant acts as a catapult of its size.