Sinclair Horticultural Supercoarse Perlite Plant Compost Additive 100 Litre

Unlock healthier roots and brighter growth with Sinclair Horticultural Supercoarse Perlite Plant Compost Additive 100 Litre. This supercoarse perlite is engineered to dramatically improve aeration in growing media, thanks to its high air-filled pore space. By creating a light, open root zone, it supports robust root development while reducing the risk of waterlogging.

Because it holds less water than peat, mixing in perlite supercoarse yields a well-drained environment that encourages strong, resilient plants. It’s especially effective for specialist potting where air access around roots is critical, such as orchids, bromeliads, tropical plants, and bonsai.

What is Perlite? Perlite is a natural volcanic glass that’s mined and then heated in large kilns until it pops into round, white granules. This lightweight additive lightens soil and seed-starting mixes, increases airflow to roots, and balances moisture—providing enough water retention while enhancing drainage for healthier growth.

How to use Perlite

• Garden beds: Apply a layer alongside compost and other soil amendments in spring, then work into the top layer of soil. One application helps keep soil light and loose for several years.
• Container gardens and potted plants: Use up to one-third perlite per container to maintain a well-aerated, well-drained root zone.

For generations, Sinclair has championed horticulture. Now part of the Westland family, based in Cheshire, Sinclair brings over 165 years of expertise to your grower toolkit. You’ll benefit from proven, trialled recipes developed from a long history of horticultural know-how, plus specialist technical support to help you optimize your mixes and outcomes while advancing sustainability.

Why choose Sinclair Horticultural Supercoarse Perlite — it’s about more than lightening soil. It delivers:

• Enhanced aeration that promotes vigorous root growth and better uptake of nutrients.
• Improved drainage to prevent compacted media and root rot, especially in containers.
• Balanced moisture with air space that supports plants requiring steady but not waterlogged roots.
• Versatility ideal for potting mixes, seed-starting media, and growing media for delicate specimens like orchids and tropicals.
• Long-lasting effect a single application maintains light, loose soil structure for years when incorporated with other soil amendments.

If you’re cultivating orchids, bromeliads, tropical houseplants, or bonsai, Sinclair Horticultural Supercoarse Perlite provides the critical balance of air, moisture, and drainage your plants crave. Add it to your potting mix or garden beds and watch roots expand in a healthier, more resilient growing medium.