Sunflower: can be found as a natural spawning plant in your Minecraft world. Can be crafted or trader for sun, which is the currency needed to trade for new plants.
Peashooter: shoots a pea projectile similar to the regular bow in Minecraft.
Fire Peashooter: shoots a flaming pea
Snow Pea: shoots a pea that causes a "chill effect" when it hits a mob. This slows and weakens for a bit of time.
Primal Peashooter: shoots a large pea that has decent knockback
Threepeater: shoots three peas at a time
Goo Peashooter: shoots a "goo" pea that poisons and slows enemies.
Gatling Pea: Peashooter that can be rapidly fired and does a lot of damage.
Electric Pea: Summons lightning when its pea hits a mob.
Torchwood: Use torchwood in your main hand and a peashooter variant in your offhand and torchwood will summon an additional fireball when you use the peashooter.
Chomper: Melee plants that does a lot of damage.
Snap Pea: Melee plant like the chomper as well as a ranged plant. It uses zombie heads as ammo and deals great damage for its ranged and melee attacks.
Cherry Bomb: One use Instakill plant that explodes when it hits a mob. (only the warden and gargantuar won't be one shot by it)
Doomshroom: Like the cherry bomb, but it can do environmental damage too.
Jalapeno: Like the cherry bomb, but it does fire damage too.
Sunshroom: Like the sunflower, but can spawn in some biomes that the sunflower can't
Twin Sunflower: like the sunflower, but can be crafted for two suns at once.
Puffshroom: can be found naturally like a sunflower, but once dropped will be a projectile plant with low durability and damage.
Fume shroom: the next evolution of the puffshroom
Blover: does almost no damage, but has a lot of knockback and will send enemies far away.
Hypnoshroom: can be "fed" to zombies to tame them. (only works on the custom mod zombies)
Caulipower: does exactly what the Hypnoshroom does.
Snap Dragon: Shoots a short range fire projectile
Cold Snap Dragon: Shoots a short range chilling projectile
Ender Snap Dragon: Works like the regular snap dragon, but has a lot of knockback (inspired by ender dragon)
Wall-nut: A plant that can be worn as a helmet for armor
Infi-nut: like walnut, but with less armor and can cast a regen buff
Endurian: like walnut, but with thorns (thorns enchant has a glitch where it pops up a bunch when you inspect the item)
Primal Wall-nut: Wall-nut but with more armor and knockback protection.
Magnifying Grass: A projectile plant that does a lot of damage. It uses sun as ammo.
Bonk Choy: Melee Plant that can be used as a multi-tool like pickaxe, axe, shovel.
Plantern: Purely decorative, but it is a naturally occurring plant that emits light like a torch.
Marigold: naturally occurring plant that drops raw gold when broken.
Ghost pepper: A weaker version of Jalapeno, but can also be used as a melee weapon
Banana Launcher: launches bananas that explode.
Coconut Canon: same as banana launcher, but does more environmental damage.
Cat tail: launches a cat and gives a quick speed buff to player. (rare chance to spawn cat when hit enemy)
Sapfling: Launches a projectile that when it hits a block it will make a sap residue that slows mobs that walk on it.
Lava Guava: One use explosive plant that summons lava after hitting a mob.
Wasabi Whip: Melee plant that sets mobs on fire.
Chili bean: Poisons mobs that you hit with it.
Guacadile: Does decent melee damage and can shoot projectiles. The projectile shoots further while the player is in water.
Lightning Reed: Summons lightning when its projectile hits a mob, but does less damage than an electric pea. It can summon lightning on environment too (which electric pea cannot do)
Sun Bean: Player can eat this to gain a sun.
Pumpkin: plant that can be used as a chestplate
Celery Stalker: a plant that can be used as leggings (rare chance to give player invisibility buff)
Holly Barrier: a plant that can be used as boots.
Aloe Vera: Plant that heals player (heals damage undead too)
Potato Mine: Can be used as a one time projectile explosive. (can also be found naturally as a plant and will explode if you walk on it.)
Poisonous Potato Mine: Potato mine w/ poison (inspired by poisonous potato in Minecraft)
Levitater: doesn't explode like potato mine, but does cast a levitation debuff on mobs.
Spikeweed: a naturally occurring plant that does damage if you walk on it.
Iceberg Lettuce: Adds chill effect when in contact with a mob or player
Melon-pult: launches a mini explosive watermelon
Winter Melon: launches a mini explosive watermelon with chill effect.
Glistering Melon-pult: launches a mini explosive watermelon with insta heal effect (inspired by glistering melon and its ability for being used to brew healing potions)
Zoybean pod: when you hit a mob with this plant. It has a high chance of summoning a zomboid which will help you fight undead enemies.