Board Thread:Plants vs. Zombies Wiki discussions/@comment-35403335-20180425134158/@comment-35198094-20180524191432

I think Primal Wall-nuts work quite well. They can stop the All-Stars, survive the Gargantuars, and have a fast recharge.

I'd recommend you to use your plant food on planting more Electric Blueberries, as they have a very slow recharge (like most other PotWs) and can instantly kill zombies.