Lava Rock Granules
VAT included · plus
Sizes are approximate. Height is measured from the bottom of the pot to the top of the plant; diameter at the widest point.
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- Plant care fundamentals: Understand the main principles behind healthy houseplant care.
- After delivery and first week: Unpacking, initial placement and settling in.
- Light and placement: Assess indoor light and choose a suitable position.
- Watering: Learn when and how to water houseplants.
- Potting mixes and roots: Choose a suitable potting mix and understand drainage.
- Humidity: Learn when additional humidity helps and how to provide it safely.
- Fertilising: Learn how and when to feed houseplants.
- Plant problems: Identify common symptoms and possible causes.
- Pest control: Identify common houseplant pests and suitable responses.
Every order is carefully packed and sent with tracking. If your plant arrives damaged or develops a problem covered by our 28-day guarantee, contact us with photos. Full conditions are available under Guarantee & Returns.
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Lava Rock Granules – durable mineral structure for custom mixes
Lava Rock Granules bring physical weight and long-lasting pore structure to potting recipes. They are especially useful in mixes that otherwise rely heavily on soft organic matter or very light perlite.
Practical use
- Mineral stability: keeps structure longer than many organic pieces
- Pot weight: helps anchor top-heavy plants
- Texture: creates gritty spaces through the mix
- Rinse first: removes loose dust before potting
More to know
A small mineral fraction can make a tall plant more stable and help the root zone resist compaction. The granules do not supply the moisture buffering of coir or the organic texture of bark, so they work best in blends.
How to use it
A grittier mix can still stay wet in a cold room or oversized pot. Check the full pot, not only the dry-looking top layer.
How to use Lava Rock Granules
- Mineral weight: Adds durable structure and weight so pots stay stable.
- Air pockets: Keeps mixes open over time because it does not break down.
- Mixing: Works well as part of chunky mixes for thicker roots.
Prep and handling for Lava Rock Granules
- Rinse: A quick rinse removes fines so water moves evenly through the mix.
Lava Rock Granules
Sale price€6,25
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Lava Rock Granules
Sale price€6,25
Taxes included. Shipping costs are calculated at checkout
Available sizes
You can’t add more of this item to your cart.
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