Every plant in the game has one of these six types:

• Healing
  
• Relaxing
  
• Aromatic
  
• Stimulant
  
• Poisonous
  
• Aether

Healing Potion (75G)

• Healing + Healing + Healing

Flash Rate (75G)

• Stimulant + Stimulant + Stimulant

Vision Potion (90G)

• Relaxing + Relaxing + Healing

Defence Potion (90G)

• Stimulant + Stimulant + Aromatic

Bone Glue (90G)

• Healing + Healing + Relaxing

Energy Potion (180G)

• Stimulant + Stimulant + Aether

Petrification Potion (225G)

• Aromatic + Stimulant + Poisonous

Liquid Ice (225G)

• Healing + Relaxing + Aether

Speed Potion (300G)

• Aether + Aether + Stimulant

Strength Potion (375G)

• Stimulant + Poisonous + Aether

Sleep Potion (75G)

• Relaxing + Relaxing + Relaxing

Forest Breath (75G)

• Aromatic + Aromatic + Aromatic

Sloth Vibes (90G)

• Relaxing + Relaxing + Aromatic

Love potion (112G)

• Healing + Relaxing + Stimulant

Oceans Kiss (112G)

• Healing + Aromatic + Stimulant

Poopy Dupy (112G)

• Relaxing + Aromatic + Stimulant

Candy Way (180G)

• Aromatic + Aromatic + Poisonous

Rainy Morning (180G)

• Aromatic + Aromatic + Aether

Plant Multiplier (225G)

• Healing + Aromatic + Aether

Seed Multiplier (225G)

• Aromatic + Stimulant + Aether

Luck Potion (225G)

• Healing + Stimulant + Poisonous

Breath of the Sea (300G)

• Aether + Aether + Aromatic

Smooth Secrets (112G)

• Healing + Relaxing + Aromatic

Swamp Lady (225G)

• Healing + Aromatic + Poisonous

Fairy Wind (225G)

• Relaxing + Aromatic + Aether

Mana Potion (225G)

• Healing + Stimulant + Aether

Liquid Fire (225G)

• Relaxing + Stimulant + Aether

Antidote (225G)

• Relaxing + Aromatic + Poisonous

Poison (250G)

• Poisonous + Poisonous + Poisonous

Golden Needle (250G)

• Aether + Aether + Aether

Elixir of Wisdom (375G)

• Healing + Poisonous + Aether

When you make all these potions it should unlock the 'Master Alchemist' achievement.