How To Look After Rainbow Cactus. This means that every rainbow you see will have these seven colors in this order from the top of the arc of the rainbow to the bottom of the arc. Depending on the size of the cutting this can take from three days to a week or more.
Its gotta be that subtle-yet-bold coloration. During these waterings make sure the plant is thoroughly watered. Keep the plant in an east or west facing window or a south facing one in case there are net curtains that assist in protecting it from harsh light.
From April water weekly and allow excess.
Let the cutting dry for a few days to allow for the wound to dry and callous over. Step 1 Take a cutting from a healthy cactus. The raindrops act like miniature prisms refracting or breaking sunlight into. Gently cut or break off an entire pup from the plant1 X Research source You can also buy cacti.