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Molly's Succulent Mix - Premium Gritty Soilless Potting Mix for Succulents, Cactus and Bonsai

Molly's Succulent Mix - Premium Gritty Soilless Potting Mix for Succulents, Cactus and Bonsai

Regular price $23.99 CAD
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  • Soil-free formula. No fillers, no surprises.

Benefits

Manages water: the gritty, porous texture drains freely and resists compaction, so water moves through rather than pooling around the roots. It still holds a little moisture.

Mostly mineral: about 80% of the mix is volcanic grit: lava rock, akadama, hyuga and pumice.

Made without soil: it doesn't bring garden soil into your pots.

Supports root development: a small amount of peat-based mix adds mycorrhizae, which colonize the roots.

Slow to break down: the lava rock, hyuga and pumice don't decompose and the hard akadama breaks down slowly.

Ingredients

Ingredients, largest first: red and black lava rock, Double Red Line hard akadama, hyuga, pine bark, pumice, and a small amount of a peat-based growing mix with mycorrhizae.

Peat: low peat content. About 80% of the mix is mineral.

Description

Quick answer: what is Molly's Succulent Mix?

  • For: succulents and cacti, including Echeveria, Sedum, Haworthia, jade, Aloe and Lithops, plus caudex plants and drought-tolerant bonsai.
  • What's in it: red and black lava rock, akadama, hyuga, pine bark, pumice and a small amount of a peat-based growing mix with mycorrhizae. About 80% mineral.
  • Why it works: succulent roots take up water fast and then need to dry out. The gritty structure drains within seconds, so roots aren't left sitting in wet mix.
  • Heavy by design: it's mostly volcanic mineral, not peat.
  • Not for: Hoya, Christmas cactus or Easter cactus, which prefer a mix that holds more moisture. Use Molly's Aroid Mix for those.

More guidance: Best soil for succulents and cactus, Potting soil vs potting mix.

Succulents and cacti come from rocky, fast-draining ground, and their roots are built for a quick soak followed by a dry spell. A mix that stays wet for days works against that.

Molly's Succulent Mix is mostly volcanic grit (lava rock, akadama, hyuga and pumice) with a little pine bark to stop it drying to a brick. Water runs through quickly and the mix dries out between waterings.

What's in the bag

  • Red and black lava rock: the main ingredient. Hard, porous grit that keeps the mix open.
  • Akadama (Double Red Line hard grade): Japanese volcanic clay granules that hold a little moisture inside each granule. The hard grade breaks down slowly.
  • Hyuga: a light, porous volcanic stone from Japan, widely used in bonsai mixes.
  • Pine bark: a small organic share that keeps the mix from drying to a brick.
  • Pumice: light volcanic stone that holds a little water and lets the rest drain.
  • Peat-based growing mix with mycorrhizae: a small amount. The mycorrhizal fungi colonize roots and support root development.

About 80% mineral by volume. Low-peat, with no worm castings and no garden soil.

Plants this is for

  • Rosette succulents: Echeveria, Sedum, jade (Crassula), Sempervivum, Aeonium.
  • Haworthia and Gasteria: shade-tolerant succulents that still want gritty drainage.
  • Aloe: vera and other species.
  • Cacti: Mammillaria, Echinopsis, Opuntia, golden barrel.
  • Lithops: living stones.
  • Caudex plants: Adenium (desert rose), Pachypodium.
  • Drought-tolerant bonsai: juniper and pine.

Not for: Hoya, Christmas cactus (Schlumbergera) or Easter cactus, which prefer more moisture. Use Molly's Aroid Mix.

Watering: soak and dry

  1. Water until it runs out of the drainage holes.
  2. Empty the saucer; don't leave the pot standing in water.
  3. Wait until the mix is dry all the way down before watering again. Indoors that's typically every 10 to 14 days in the growing season and every 3 to 4 weeks in winter.
  4. Signs of thirst: slightly wrinkled leaves and a lighter pot.

Pot size and repotting

Choose a pot only slightly larger than the root mass, with drainage holes. An oversized pot holds extra moisture in the unused mix. The lava rock, hyuga and pumice don't decompose and the hard akadama breaks down slowly, so most plants can stay in the mix until they outgrow the pot, typically 2 to 3 years.

Sizing and coverage

Filling empty pots, a 3 dry quart bag fills about 6 four-inch pots or 3 to 4 six-inch pots, and a 5 dry quart bag fills about 10 four-inch pots or 5 to 6 six-inch pots.

Related guides: Succulent and cactus care, Best soil for succulents and cactus, Growing succulents indoors.

Packaged in a heat-sealed resealable bag.

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Review
Molly's Aroid Mix product bag
Molly's Aroid Mix product bag

🌿

Less Work, More Growth

Our mixes are designed to make indoor plant care simpler. They lower the risk of overwatering and hold a steady level of moisture between waterings, so you spend less time troubleshooting.

🌱

Healthier Roots, Happier Plants

Our soil-free blends are built around the root zone. Better airflow, faster drainage and a structure that resists compaction give roots the air and water they need.

🌿

Why Choose VeryPlants?

  1. Each Molly's mix is formulated for a different plant group. See this product's ingredient list and care guidance to choose the right blend for your plants.
  2. Built for containers, not gardens. Outdoor soil works because rain, wind, and earthworms refresh it constantly. Indoor pots get none of that. Our mixes are engineered for the way plants actually grow inside your home: chunky, fast-draining, slow to compact.

Frequently asked questions

What plants is Molly's Succulent Mix for?
Succulents, cacti and bonsai: Echeveria, Sedum, Haworthia, jade, Aloe, Kalanchoe, the common cactus families and Lithops. It also suits drought-tolerant houseplants such as ZZ plant and snake plant, and drought-tolerant bonsai such as juniper and pine. For Hoya, Christmas cactus and Easter cactus, use Molly's Aroid Mix.
Will it work for cacti as well as succulents?
Yes. The mineral-heavy structure suits cacti, and the mix works as it comes for typical houseplant cacti.
What's the difference between succulent soil, cactus soil and succulent potting mix?
In practice they describe the same product: a mineral-heavy, fast-draining medium for succulents and cacti. Soil is the more common search term; mix is more accurate, because a good succulent medium contains very little actual soil.
How is Molly's Succulent Mix different from cactus soil at the garden center?
Cactus soils based on peat or potting soil hold water for longer. Molly's Succulent Mix is about 80% volcanic mineral (lava rock, akadama, hyuga and pumice) with a little pine bark, so water drains through in seconds and the mix doesn't compact.
What's in Molly's Succulent Mix?
Red and black lava rock, akadama, hyuga, pine bark, pumice and a small amount of a peat-based growing mix with mycorrhizae, largest ingredient first. About 80% of the mix by volume is mineral.
Why is the bag so heavy?
Because it's mostly volcanic mineral rather than peat or coir. The weight comes from the lava rock, akadama, hyuga and pumice that make it drain fast.
Should I add fertilizer?
Fertilize 3 to 4 times a year at the dose on your fertilizer's label. You can skip midwinter and feed in spring, summer and fall.
How often should I water succulents in Molly's Succulent Mix?
Water until it runs out of the bottom, then wait until the mix is dry all the way down. Indoors that's typically every 10 to 14 days in the growing season and every 3 to 4 weeks in winter. The mix dries faster than soil-based blends.
Can I use Molly's Succulent Mix for bonsai?
Yes, for drought-tolerant species such as juniper and pine. For tropical bonsai that need more moisture, such as Ficus, blend it 50/50 with Molly's Aroid Mix.
Can I mix it with regular potting soil?
You can, but you usually shouldn't: potting soil brings back the slow-draining texture succulents struggle in. If a plant needs a little more moisture, blend in Molly's Aroid Mix or up to 25% coco coir instead.
How many pots will a bag fill?
Filling empty pots, a 3 dry quart bag fills about 6 four-inch pots or 3 to 4 six-inch pots, and a 5 dry quart bag fills about 10 four-inch pots or 5 to 6 six-inch pots.

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$23.99