Also avoid non-porous rocks like pea gravel, river rocks, fish rocks, sand, glass marbles, etc. You can use a few rocks here and there as decoration as long as the soil has plenty of air to breath. DO use top dressings that double as drainage material. My favorites are pumice, shale, and Turface.
Also, can you use aquarium gravel for succulents?
To control these floaters, succulent aficionados apply a layer of fine gravel on top of the potting soil to keep it all in place when water is applied. … You can also use aquarium gravel for more unusual or brightly colored composition of succulent, pot and surface material.
Also know, can I use pea gravel for succulents?
Basically, succulents need well-drained soil to survive. … The trick to planting succulents in a container without drainage holes is to add a layer of pea gravel into the container you are planting the succulent in, before adding any soil.
Can you plant succulents in just rocks?
Succulents have unique adaptations that have made them hardy and versatile enough to survive a variety of harsh conditions. Therefore, your succulent should be able to survive on or in rocks so long as they have just enough soil to cover their roots.
As long as you’re using fertilizer when watering, you could probably just use clay. The gritty mix is a pretty popular planting medium for succulents. I like clay pebbles because they never get too compacted, and repoting is a breeze.
For the most part, succulents can grow in rocks without soil and water. The key is to have a rock that allows for easy absorption of water and nutrients. One possible issue with growing succulents in rocks without soil is the inability to provide them everything they need over time.
Any type of all purpose potting soil for indoor plants will work as the base to make your own succulent soil. Use whatever you have on hand (as long as it’s fresh, sterile potting soil). … Succulents need a well draining potting soil, not one that holds moisture.
Frequent additions to succulent growing medium include: Coarse Sand – Coarse sand included at one half or one third improves soil drainage. Don’t use the finely textured type such as play sand. Cactus may benefit from a higher mix of sand, but it must be the coarse type.
Adding rocks to topsoil prevents water loss by shading the soil and reducing the temperature below it. As a result, less water evaporates out of the atmosphere. Additionally, the rocks prevent drafty winds from removing water out from the soil as it acts as a shield when it coats the top layer.
Including a permeable membrane between the base of the trench and the top layer of gravel is highly recommended. A membrane will ensure the gravel does not mix in with the base layer of hardcore or the soil beneath, and is also a strong, permeable and will prevent weeds from sprouting through your gravel.
Put a layer of gravel in your plant’s drainage tray, or down inside a decorative planter, then sit your plant pot on top. The gravel will hold water and increase humidity, while keeping your plant’s roots up out of the puddle. Gravel comes in handy when sitting a plant inside a decorative planter.