Diamond Spikeweed

Diamond Ground Thorn (钻石地刺; pinyin: zuànshí de cì) is a plant in Plants vs. Zombies: All Stars. It is the upgrade of the Spikerock. It attacks zombies by going underground and spinning in place.

Plant Food upgrade
Ground-breaking crystal thorn: Attacks all enemies in its lane, dealing 100% extra damage when the enemies have a status effect (like stunned, frozen, healing, etc.) and has a 30% chance to stun its enemies. It requires Tenacious Plant Food to be activated.