Coarse Pumice Stone 7-14mm for Plants: What It Does
Organic Baghbani 7–14mm is coarse pumice stone for plants which is a natural volcanic aerator that gives roots more air and lets excess water drain fast. Mix it into potting soil at roughly 20–70% by volume, depending on the plant, to prevent waterlogging, compaction and root rot in bonsai, cactus, succulents, Monstera, adenium and large container plants. It is a mineral soil amendment, not a fertiliser: it adds no nutrients and does not break down.Why Your Pots Need It
One of the most common reasons container plants decline is water sitting around the roots. Heavy garden mitti, coco peat and ordinary potting mix slowly compress, push out air and stay soggy through humid monsoon weeks. Pumice fixes the structure of the mix itself, so you are not relying on perfect watering to keep roots healthy.Benefits of using Coarse Pumice Stone
- Better root-zone oxygen: coarse, porous granules keep air channels open between particles, which lowers the risk of root rot.
- Fast drainage: excess water leaves the pot instead of pooling at the base.
- Moisture where roots can use it: tiny pores inside each granule hold some water and release it gradually, so the mix does not dry out instantly.
- Structure that lasts: volcanic glass does not rot or decompose like bark, peat or compost, so the mix does not collapse and shrink over time.
- Lightweight: lighter than gravel or sand, which makes big pots and balcony or rooftop planters easier to handle.
- Inert and clean: no added nutrients or chemicals, so your feeding plan stays fully in your control.
- Top dressing: a 1–2 cm layer on the soil surface keeps the top drier and neater and may help discourage fungus gnats.
Best For: Starting Mix by Plant
| Plant | Why 7–14mm works | Starting mix (by volume) |
|---|---|---|
| Bonsai (pine, juniper, ficus and others) | Coarse particles give the open, free-draining base bonsai roots need | 30–50% pumice, the rest akadama or fine granular bonsai soil; adjust by species. Use 3–6mm for small bonsai and upper layers |
| Cactus and succulents (echeveria, haworthia, aloe) | A gritty mix dries fast between waterings, like desert soil | 50–70% pumice, 30–50% well-draining potting soil |
| Monstera, philodendron, pothos (aroids) | A chunky mix lets thick aerial-root plants breathe | About one-third pumice, one-third orchid bark, one-third potting mix |
| Adenium (desert rose) and caudex plants | Prone to rot, so they need a near-mineral mix | 50–60% pumice, the rest potting soil |
| Orchids in bark mix | Adds stable, long-lasting aeration to bark | 20–30% pumice added to the bark mix |
| Rosemary, lavender, thyme | Mediterranean herbs like sharp drainage | 30–40% pumice in potting soil |
| Roses, bougainvillea, citrus and other large pots | Opens up heavy garden soil | 15–25% pumice in a soil and compost mix |
Which Pumice Size Do You Need?
7–14mm is a coarse grade. For seedlings, cuttings, seed-starting, mini pots (roughly under 10 cm) and fine-textured mixes, choose our Fine Pumice Stone 3–6mm instead. Many growers use both: 7–14mm for large pots and chunky mixes, 3–6mm for small pots and upper layers.How Pumice Works in a Pot
Pumice is a light, glassy volcanic rock formed when gas-rich lava cools quickly; the trapped gas bubbles leave a sponge-like structure. In a pot, the gaps between granules drain fast and fill with air, while the pores inside each granule hold a little water. That balance of air and moisture is what roots need.Pumice vs perlite: Pumice is heavier and harder, so it tends to stay mixed through the soil instead of floating to the surface when you water, and it holds its shape longer. Perlite is lighter.Pumice vs sand or gravel: Fine sand can fill air spaces and compact, and gravel is heavy and holds little water. Pumice is lightweight and porous.Feeding: Pumice holds very few nutrients itself, so plants in high-pumice mixes benefit from regular, dilute feeding. Pair it with Organic Baghbani organic fertilisers for a complete root-zone setup.How to Use Pumice Stone
- Choose the starting mix for your plant from the table above.
- Rinse the granules once if you want to remove surface dust, and let them drain.
- Blend the pumice evenly through the potting mix. Do not use it only as a layer at the bottom – a coarse layer under fine soil can hold water above it instead of draining it.
- Pot or repot into a container with drainage holes.
- Water until it runs out of the holes, then wait until the mix has dried to the level your plant prefers. High-pumice mixes dry faster, so check more often in summer.
- Feed regularly with a dilute fertiliser.
Product Specifications
| Specification | Details |
|---|---|
| Product | Pumice Stone 7–14mm, coarse horticultural grade |
| Brand | Organic Baghbani |
| Material | Natural volcanic pumice |
| Particle size | 7–14 mm |
| Texture | Coarse, porous, lightweight |
| Nutrient content | None (inert mineral amendment) |
| Primary use | Soil aeration, drainage, chunky mixes, top dressing |
| Suitable for | Bonsai, cactus, succulents, Monstera and aroids, adenium, orchids (bark mix), large pots |
| Not ideal for | Seedlings, seed-starting, mini pots (use Fine Pumice 3–6mm) |
| Pack sizes | 1 kg, 2 kg, 5 kg, 10 kg, 25 kg |
| Origin | Pakistan/Asia |
| Bulk orders | Special discount on bulk quantity |
| Delivery | Across Pakistan in 2–4 working days; same-day in major cities |
Order and Delivery
- Select your pack size and add it to the cart.
- We call you to confirm the order.
- Your parcel is packed and dispatched the same day or the next day.
- It reaches you in 2–4 working days across Pakistan, and same-day delivery is available in major cities through our dealer network.
Frequently Asked Questions About Pumice Stone for Plants in Pakistan
Which pumice size is best for houseplants?
For larger pots and chunky mixes such as Monstera, bonsai and succulents, 7–14mm works well. For small pots, seedlings and cuttings, 3–6mm is a better fit because finer particles hold more moisture and fill small containers evenly.
Can I use pumice on its own without soil?
For some plants, such as cactus, adenium and bonsai, a very mineral mix works, but the plant will need more frequent watering and regular feeding because pumice holds few nutrients. Most plants do best with pumice blended into potting mix.
How much pumice should I add to my potting mix?
It depends on the plant. As a starting point, use 15–25% for roses and large pots, about a third for Monstera, 30–50% for bonsai and 50–70% for cactus and succulents. Increase the share if the mix stays wet too long.
What is the difference between pumice and perlite?
Both are volcanic and improve aeration, but pumice is heavier and more durable, so it stays mixed through the soil and keeps its shape longer. Perlite is lighter and tends to float up.
Does pumice contain nutrients?
No. Pumice is an inert mineral amendment and does not feed plants. Keep fertilising as usual, and a little more regularly in high-pumice mixes.
Is pumice safe around pets and children?
Pumice is a natural mineral, not a fertiliser or a chemical. Like any soil product, keep it away from children and pets who might chew or swallow it.
How fast will I receive my order, and what does it cost?
Prices are shown per pack size on this page, with a special discount on bulk quantities. After you order we call to confirm, dispatch the same or the next day, and deliver in 2–4 working days across Pakistan, with same-day delivery in major cities.
Ready to Fix Your Soil?
Choose your pack size above, add it to the cart and give your plants the open, fast-draining root zone they need. Not sure which mix suits your plant? Message us on WhatsApp and we will help you pick.
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