They are unlocked in order; the next one is. The Kernel. At the beginning of the game, the player has six slots and can buy more from Crazy Dave's Twiddydinkies. I'm not positive about this, but I believe there are only 9 seed slots available in the iPhone/iPod version of the game. Foods, Spicy, Herbs, Nutrition, Ginger Substitute. . votes, 31 comments. Nishaan minced ginger. Still requires 10 seed slots. K subscribers in the PlantsVSZombies community. 10 seed slots plants vs zombies. It's quite expensive - $80, However, you will probably want it if you replay the. All together, it costs $, to get all 10 seed slots. 10 seed slots plants vs zombies. The Wall-nuts and (non-gold) magnets are ditched, replaced with relatively inexpensive Kernel-Pults in Pumpkins. The Largest Plants Vs Zombies discussion board, with topics ranging. You must first buy the seventh ($), eighth ($), and ninth ($20,) seed slots. · You can't get 10 seed. More like this. [HOST] › › Real-Time › Defense. 10 seed slots is the max on the PC version, at least.