When considering planting a San Pedro cactus, there are a few things to keep in mind. Are you potting a cactus with the potential to become very large? Do you prefer it as a lawn ornament? What sort of soil is in the area where you’ll be planting it? San pedro cactus are an incredibly hardy breed of cactus and many will adjust to wild variations in light, temperature and soil acidity once they have time to settle in and put down a good root system. If you cannot assure this on your land, keep your san pedros potted. Simply remember that this large cactus requires a very large pot.
Soil Quality and Content
San Pedro cacti prefer an alkaline soil ph of about 7.5-9.0. Any higher than this and the plant will likely receive chemical burns or simply not grow. Alkaline soil is easy to test for. If vinegar bubbles on top of it, the soil is alkaline. If not, the soil is acidic. A local nursery will have a great many additives that can be placed in the soil and mixed in to assist fixing the ph.
Be certain that soil is sandy with very little glass or debris. Young San Pedro cacti will often wither in soil that isn’t sandy and loose.
Sunshine and Heat
Despite being a cactus, the San Pedro prefers a moderate amount of sun and heat. Too much will scorch your cacti right off the face of the earth in the space of a few days. Planting San Pedros so they receive around 8 hours of full sun per day is ideal. Older cacti may be able to cope with longer exposure to heat and sun than this, but younger ones will yellow quickly.
If you are facing a sizzling hot summer, try giving your cactus a tarp sun break if yellowing begins to occur.
Many succulent plants will get along well together, most of them requiring alkaline soil and very little water. San Pedro cacti love the companionship of two succulents in particular: the yucca and the aloe vera.
These common beginner succulents will leech excess water away from the roots of the San Pedro cactus, keeping those tender roots safe from fungus and a variety of other ailments that plague the over-watered cactus.
San Pedro cacti are beautiful column situated cactus and well suited for those just starting to plant cacti. Despite the ban on consuming their psychotropic containing flesh, the plants themselves are absolutely legal to own in most countries around the world. It is always best to check with local laws in regards to exotic plants such as this cactus.