Reply To: Yellow color at the base of cutting Home › Forums › Cactus and Succulent Care › Yellow color at the base of cutting › Reply To: Yellow color at the base of cutting July 29, 2018 at 1:11 pm #276 AnonymousInactive Didn’t see the loph…I mix 50% fox farm ocean forest with pumice and worm castings for trichs, and 70% pumice with akadama, zeolite, azomite and worm castings for lophs. Mine are outside so I quit adding organic soil.