Board Thread:Plants vs. Zombies 2: It's About Time/@comment-25226017-20140725232047/@comment-26020460-20141116193310

<- It looks like this. A support cactus can shoot dark spikes which slow down zombies, or in the bottom right you get a button next to the Power-ups which looks like a mugshot of the plant - click it for the plant to stop for a few seconds, but then for 30 seconds all cacti around it turn into Super Cacti aka cacti with a blue cape which shoot 2x faster.