How to create pokeblocks+?

According to the Youtube guide linked below, every Berry has a chance of creating Pokeblock+.

However, if you mix one off the following 'Super Rare' Berries in with any other berry types, you'll guarantee yourself a Pokeblock+:

• Spelon
• Pamtre
• Watmel
• Durin
• Belue

If you don't yet have access to these Berries, mixing any of the following list of berries will always give a Pokeblock+ when mixed together:

Red

• Occa
• Chople
• Payapa
• Haban
• Roseli

Blue

• Apicot
• Ganlon
• Coba
• Yache
• Passho

Yellow

• Liechi
• Chilan
• Charti
• Maranga
• Wacan
• Shuca

Green

• Kebia
• Babiri
• Tanga
• Rindo
• Salac

Pink

• Kasib
• Petaya
• Colbur
• Kee

Sources:

• Verilsify
• Serebii