{"product_id":"mollys-clay-pebbles","title":"Molly's Clay Pebbles - Expanded Clay Pebbles (LECA) for Propagation, Semi-Hydro and Drainage Layers, 8-12 mm","description":"\u003c!-- VP-MC-LECA-TLDR-2026-10-23 --\u003e\n\u003cdiv class=\"vp-tldr\" style=\"background:#f7f4ec;border-left:4px solid #2f6b3a;padding:18px 22px;margin:0 0 24px;border-radius:6px;\"\u003e\n\u003cp style=\"margin:0 0 10px;font-weight:700;font-size:1.05em;\"\u003eQuick answer: what are Molly's Clay Pebbles?\u003c\/p\u003e\n\u003cul style=\"margin:0 0 0 18px;padding:0;\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat it is:\u003c\/strong\u003e lightweight expanded clay aggregate (LECA), screened to a consistent 8 to 12 mm and packed low dust.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFor:\u003c\/strong\u003e semi-hydro growing, water propagation, drainage layers and chunky custom mixes.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIn the bag:\u003c\/strong\u003e 100% expanded clay pebbles, 5 dry quarts (5.5 L), in a resealable stand-up bag. Fills about fifteen 4-inch pots.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBefore use:\u003c\/strong\u003e rinse to remove natural dust. Soak them as well if you're setting up semi-hydro.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eA single component, not a potting mix.\u003c\/strong\u003e For a ready-to-use blend, choose one of Molly's potting mixes.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- \/VP-MC-LECA-TLDR-2026-10-23 --\u003e\n\u003cp\u003eBetter roots start with better structure. Molly's Clay Pebbles are expanded clay pebbles made for indoor plant care. Each bag holds low-dust LECA screened to a consistent 8 to 12 mm, for the open root environment growers want for drainage, aeration and semi-hydro growing.\u003c\/p\u003e\n\u003cp\u003eUse them on their own for semi-hydro or propagation, around orchid roots, as a drainage layer, or as an airy component in a mix you build yourself.\u003c\/p\u003e\n\u003ch3 style=\"margin-top:1.75rem;\"\u003eWhy growers choose it\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eConsistent 8 to 12 mm, low dust.\u003c\/strong\u003e Screened to remove excess dust and fines, for a clearly stated grade and a predictable particle size.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGood value.\u003c\/strong\u003e A 5 quart (5.5 L) bag fills about fifteen standard 4-inch pots. The resealable bag stands up, so it's easy to pour and store.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSemi-hydro and propagation.\u003c\/strong\u003e Use them on their own to support cuttings during water propagation, or as a soilless semi-hydro substrate.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCustom chunky mixes.\u003c\/strong\u003e Blend with potting mix or other components for aroids, orchids, monstera, philodendron, pothos and alocasia. The pebbles add structure for drainage and airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrainage layer.\u003c\/strong\u003e A porous layer for the base of terrariums and decorative pots.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:1.75rem;\"\u003eHow to use\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eRinse before use to remove natural dust.\u003c\/li\u003e\n\u003cli\u003eFor propagation, set cuttings in rinsed pebbles and keep a little water in the bottom of the container.\u003c\/li\u003e\n\u003cli\u003eFor semi-hydro, soak the pebbles first and grow in a container with a water reservoir. Semi-hydro plants also need a nutrient solution made for that method.\u003c\/li\u003e\n\u003cli\u003eFor drainage layers, add a layer at the base of terrariums and decorative pots.\u003c\/li\u003e\n\u003cli\u003eFor custom mixes, blend them into your own mixes where you want large, light particles.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin-top:1.75rem;\"\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: 100% expanded clay pebbles\u003c\/li\u003e\n\u003cli\u003eParticle size: 8 to 12 mm, screened\u003c\/li\u003e\n\u003cli\u003eBag size: 5 dry quarts (5.5 L), filled by volume\u003c\/li\u003e\n\u003cli\u003eCoverage: about fifteen standard 4-inch pots (varies with pot shape and use)\u003c\/li\u003e\n\u003cli\u003ePackaging: resealable stand-up bag\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"vp-system-note\" style=\"margin:2rem 0;padding:1.25rem;background:#F5F9F5;border-left:3px solid #2E7D32;border-radius:4px;\"\u003e\n\u003ch3 style=\"margin:0 0 .5rem;color:#2E7D32;font-size:1.1rem;\"\u003eWhere it fits with Molly's mixes\u003c\/h3\u003e\n\u003cp style=\"margin:0;color:#444;line-height:1.55;\"\u003eMolly's potting mixes are ready to use and already blended for air, moisture and drainage, so you don't need to add anything to them. Molly's soil-free components are single materials for growers who want more ways to grow, propagate and customize. For a complete mix, see \u003ca href=\"\/products\/mollys-aroid-mix-premium-tropical-plant-soil-mix\"\u003eMolly's Aroid Mix\u003c\/a\u003e, \u003ca href=\"\/products\/mollys-succulent-mix-premium-gritty-soil-mix\"\u003eMolly's Succulent Mix\u003c\/a\u003e or \u003ca href=\"\/products\/mollys-orchid-mix\"\u003eMolly's Orchid Mix\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- VP-MC-LECA-FAQ-2026-10-23 --\u003e\n\u003cdiv class=\"vp-faq\" style=\"margin:2.25rem 0;\"\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eAre clay pebbles the same as LECA?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. LECA stands for lightweight expanded clay aggregate. Molly's Clay Pebbles are expanded clay pebbles screened to 8 to 12 mm.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eDo I need to rinse them before use?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. Rinse before use to remove natural dust. If you're using them for semi-hydro, soak them as well.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eCan I grow a plant in clay pebbles alone?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes, in a semi-hydro setup: a container with a water reservoir and a nutrient solution made for semi-hydro. In a regular pot without a reservoir, use a potting mix instead.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eCan I mix them into soil?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. Clay pebbles are a common addition to potting mix. They add structure that helps prevent compaction and supports aeration and drainage.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eAre they good for orchids?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. Clay pebbles can be used to build an airy, breathable mix for orchids' epiphytic roots.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eCan LECA be used in a terrarium?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. Molly's Clay Pebbles can form the base drainage layer in a terrarium.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eCan I use them outdoors?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. Use them as a drainage layer in outdoor planters, or as a decorative mulch with an interesting texture and shape.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eAre they reusable?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eYes. Clay pebbles are long-lasting and can be reused. Clean them thoroughly before you reuse them with a different plant.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eHow many pots does a bag fill?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eAbout fifteen standard 4-inch pots. Pot shape and how you use the pebbles change the coverage.\u003c\/div\u003e\u003c\/details\u003e\n\u003cdetails style=\"border:1px solid #e6e6e6;border-radius:8px;margin:0 0 .6rem;\"\u003e\u003csummary style=\"font-weight:700;padding:14px 16px;cursor:pointer;list-style:none;font-size:16px;\"\u003eDo I need to add clay pebbles to Molly's mixes?\u003c\/summary\u003e\u003cdiv style=\"padding:0 16px 14px;line-height:1.6;color:#333;\"\u003eNo. Molly's Aroid, Succulent and Orchid mixes are complete and ready to use. Clay pebbles are for semi-hydro, propagation, drainage layers and mixes you make yourself.\u003c\/div\u003e\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n \"@context\": \"https:\/\/schema.org\",\n \"@type\": \"FAQPage\",\n \"mainEntity\": [\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Are clay pebbles the same as LECA?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. LECA stands for lightweight expanded clay aggregate. Molly's Clay Pebbles are expanded clay pebbles screened to 8 to 12 mm.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Do I need to rinse them before use?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. Rinse before use to remove natural dust. If you're using them for semi-hydro, soak them as well.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Can I grow a plant in clay pebbles alone?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes, in a semi-hydro setup: a container with a water reservoir and a nutrient solution made for semi-hydro. In a regular pot without a reservoir, use a potting mix instead.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Can I mix them into soil?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. Clay pebbles are a common addition to potting mix. They add structure that helps prevent compaction and supports aeration and drainage.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Are they good for orchids?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. Clay pebbles can be used to build an airy, breathable mix for orchids' epiphytic roots.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Can LECA be used in a terrarium?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. Molly's Clay Pebbles can form the base drainage layer in a terrarium.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Can I use them outdoors?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. Use them as a drainage layer in outdoor planters, or as a decorative mulch with an interesting texture and shape.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Are they reusable?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"Yes. Clay pebbles are long-lasting and can be reused. Clean them thoroughly before you reuse them with a different plant.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"How many pots does a bag fill?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"About fifteen standard 4-inch pots. Pot shape and how you use the pebbles change the coverage.\"\n   }\n  },\n  {\n   \"@type\": \"Question\",\n   \"name\": \"Do I need to add clay pebbles to Molly's mixes?\",\n   \"acceptedAnswer\": {\n    \"@type\": \"Answer\",\n    \"text\": \"No. Molly's Aroid, Succulent and Orchid mixes are complete and ready to use. Clay pebbles are for semi-hydro, propagation, drainage layers and mixes you make yourself.\"\n   }\n  }\n ]\n}\n\u003c\/script\u003e\n\u003c!-- \/VP-MC-LECA-FAQ-2026-10-23 --\u003e\n\u003cp style=\"font-size:0.9rem;color:#555;margin-top:1.5rem;\"\u003e\u003cstrong\u003eCare and handling:\u003c\/strong\u003e Not for consumption. Keep out of reach of children and pets. Store dry.\u003c\/p\u003e\n\u003cp class=\"vp-p65\" style=\"font-size:0.9rem;color:#333;margin:1.5rem 0 0;\"\u003e\u003cstrong\u003eWARNING:\u003c\/strong\u003e This product can expose you to chemicals including crystalline silica, which is known to the State of California to cause cancer. For more information go to \u003ca href=\"https:\/\/www.P65Warnings.ca.gov\" rel=\"noopener\" target=\"_blank\"\u003ewww.P65Warnings.ca.gov\u003c\/a\u003e.\u003c\/p\u003e","brand":"Veryplants","offers":[{"title":"5 Quart (5.5 L)","offer_id":68046786986135,"sku":"MC-LECA-5DQ-US","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0660\/4026\/6992\/files\/mollys-clay-pebbles-01-front.jpg?v=1792707867","url":"https:\/\/veryplants.com\/products\/mollys-clay-pebbles","provider":"VERYPLANTS US LLC","version":"1.0","type":"link"}