Dark Matter for Soil · Specialty Growing Mix
Give your plants room to thrive.
Meet the Cactus, Succulent & Plumeria Mix — a thoughtfully assembled growing blend for plant lovers who want to give their collection a considered foundation.
Explore the collection →1-quart package · Reservation available at no cost
A more considered growing medium
Made for your plant-care ritual.
Cacti, succulents and plumerias each bring their own character to a space. This specialty mix combines mineral components, organic materials and horticultural biochar in one blend designed for your potting routine. Pair it with appropriate containers, light and watering practices for your particular plants.
Thoughtful ingredients
A blend with purpose in every component.
This mix brings together horticultural pumice, calcined clay, coarse quartz sand, composted fines, earthworm castings and other selected components. Each contributes a different material characteristic to the overall blend.
Horticultural wood biochar is included as part of the formulation. Biochar properties can vary with feedstock and processing, so follow the product label and your plant's specific care needs when deciding how to use the mix.
Whether you are refreshing a favorite pot or preparing a new addition to your collection, use this specialty blend as part of a thoughtful, plant-specific care routine.
Specialty mix · 1 quart
The blend at a glance
Considered from the ground up.
A combination of mineral and organic materials, assembled for gardeners who pay attention to what goes into their pots.
Mineral components
Horticultural pumice, calcined clay and coarse quartz sand bring distinct mineral materials to the mix.
Organic materials
Composted fines and earthworm castings contribute organic components to the overall growing blend.
Biochar included
Horticultural wood biochar is one of the listed ingredients in this specialty formulation.
Inside the mix
Know what goes into your pot.
The following ingredients are listed for the Cactus, Succulent & Plumeria Mix. Percentages have not been provided, so the list is presented without implying a particular proportion.
- Horticultural pumice
- Composted fines
- Calcined clay
- Horticultural wood biochar
- Coarse quartz sand
- Earthworm castings
- Calcium silicate
- Humic acids
- Yucca extract
Use according to the product label and the needs of your specific plants. Container drainage, growing conditions and watering practices all influence plant performance. No ingredient percentages or guaranteed growing outcomes are claimed here.
Good to know
Frequently asked questions.
Which plants is this mix intended for?
The mix is intended for cacti, succulents and plumerias. Growing preferences vary by species, so check the needs of your particular plant before potting.
What ingredients are included?
The listed ingredients are horticultural pumice, composted fines, calcined clay, horticultural wood biochar, coarse quartz sand, earthworm castings, calcium silicate, humic acids and yucca extract. Refer to the approved package label for the authoritative product information.
How much product comes in a package?
Each package is listed as 1 quart. Actual volume and handling should follow the product packaging.
How can I reserve a package?
Select “Reserve for FREE” and complete the reservation form with your name, email address and intended use. The reservation is submitted through the site's shared reservation form.
Dark Matter for Soil
Make room for your next growing project.
Interested in trying the Cactus, Succulent & Plumeria Mix? Reserve your package and tell us how you plan to use it.
← Return to the Dark Matter for Soil collection