How do you remove barrel cactus babies?

Please remove the barrel cactus [Ferocactus spp] babies by pulling or cutting across a jointed part. Let the cut callus over. Pot in potting mix with a top dressing of small washed grit. Keep temperature levels at 64 degrees F/18 degrees C, in sun or bright shade. Fertilize and water when the soil almost dries out, every 10-14 days during the growing season.