Neither plain sand nor regular soil is ideal; succulents need a gritty, well-draining mix that combines potting soil with inorganic materials like coarse sand, perlite, or pumice to mimic their arid native environments, preventing root rot by allowing excess water to escape quickly. While sand improves drainage, fine sand retains water, so coarse grit is essential, often mixed with potting soil for nutrients.
Succulents typically grow in well-draining, sandy or rocky soils with low organic matter. Therefore, a mixture of cactus potting soil and coarse sand or perlite would be a great choice as it mimics its natural environment and provides good drainage.
When planting outdoors in the ground, aim for a sandy loam that is 50% to 80% coarse sand or fine gravel. For potted plants, select coarse grit minerals about 1/ 8" to 1/ 4" in diameter. This will ensure rapid drainage and keep your succulents from rotting in soggy soil.
To DIY potting mix for succulents, you need to mix sand, soil, and perlite or pumice in the ratio - 2:2:1. If you are using cups, it means 3 cups of soil and sand each and one-and-half cups of pumice or perlite. Perlite or pumice helps the soil breathe, while pumice helps retain nutrients.
The only sand that works for succulents is extremely coarse rocky sand. Anything else will make the soil compact and hold too much water. Sand at the bottom of a pot will just create a solid barrier and prevent drainage as well.
Mixing sand with potting soil helps improve drainage and aeration, preventing waterlogged conditions that can harm plant roots. It also reduces soil compaction, promoting healthier root development.
Signs of Inappropriate Soil
One of the most common pitfalls is poor drainage, which can cause root rot. If you notice your succulent's leaves are yellowing and mushy, or if the soil takes an eternity to dry out, you're likely dealing with inadequate drainage.
Sometimes sand can sit on top of the clay and suffocate the roots. So make sure, if you have clay soil that needs improving you really do a small amount at a time and it's a good idea to do some aeration beforehand too. That way, the sand really will be working its way down to the soil bed.
Water infrequently. They're used to desert-like environments, so less is best. Keep them in direct sunlight. A well-lit kitchen or bedroom will do.
Though perlite and sand help increase drainage, they each have specific applications where they work best. Use perlite for houseplants, container veggies, and seed starting. Use sand for cacti, succulents, and shrubs that live in dry conditions.
Grow succulents in well-drained potting soil in containers that provide good drainage. Cacti & Succulent mixes are good options, but you can also add amendments like perlite and sand to potting soil to increase the drainage. Succulents thrive in average home temperatures and humidity.
A succulent soil mix consists of sand, potting mix, and perlite or pumice, with the ratio varying by plant type and preference. A good starting point for most succulents is two parts sand, two parts potting mix, and one part perlite or pumice.
Your succulent does better when the excess moisture in the soil is drained. The roots of a succulent become stable with a top dressing. The plant grows much healthier as it gets the support of rocks. The aesthetic value of succulents is added to a great extent.
Gardening in raised beds filled with sand can be an effective way to experiment with this idea. According to the Fantastic Gardeners team, the roots of your plants should be washed to remove any soil before being planted in sand. They should then be watered in well.
Succulents need a lot of light generally. However, cheap succulent pots that are deep means that light will not reach the lower leaves, and they will start to wilt and rot. The best is to choose shallow pots for plants with hair roots. These roots grow on the soil surface, absorbing water effectively.
Monitor the soil moisture to ensure it dries between waterings. Outdoor Succulents: In warm, dry climates, water every 5 to 7 days. In cooler or more humid conditions, water every 2 to 3 weeks.
Adding rocks can actually trap water, harm your plants' roots, and even damage your container over time. So, what really belongs in the bottom of your planter? High-quality potting soil—nothing else.
Potting and Repotting
However, you can use Epsom salt as a means of helping your succulents through transplant shock by increasing your soil's magnesium content. With more magnesium in the soil, your succulent will easily absorb the nutrients it needs to recover from the transplant.
Rich Soil is a foraged material that has a chance to be found while harvesting any crops. An easy method of collecting it is to plant crops like Wheat Seed, which grow to harvest very quickly and will give a faster chance to produce Rich Soil.
Sand or top dressing is perfect for preventing the fungus gnats from laying eggs in your soil. Simply cover your potting mix with a small layer of sand and you are good to go. This creates a barrier that the gnats cannot get through. If they can't lay the eggs, they can create an infestation.
Growing in pots allows you to move your succulents indoors during harsh winter months, particularly important for tender varieties that can't withstand temperatures below 5°C. Ground planting, however, can work exceptionally well in well-draining areas with appropriate soil conditions.
The first sign of overwatering that you should watch out for is discoloration and change in the leaves form. You'll see that the leaves will start to become yellow or pale (starting from the bottom), soft, and squishy.