Best Gardening Perlite of 2025

* We independently evaluate all recommended products and services. If you click on links we provide, we may receive compensation.
Gardening Perlite is a highly useful and versatile product that has become increasingly popular among gardeners and horticulturists. It is a type of volcanic glass that has been heated to a high temperature, causing it to expand and become porous. This lightweight and sterile material is ideal for improving soil drainage, aeration, and moisture retention, and can be used in a variety of gardening applications. Gardening Perlite is also free of harmful chemicals and can be safely mixed with other soil amendments to improve plant growth and health.
At a Glance: Our Top Picks
Top 10 Gardening Perlite
Gro-Sure Perlite for Healthy Plants
Gro-Sure Perlite is a naturally occurring material that significantly improves aeration and drainage in your planting medium. This enhancement is crucial for healthy root growth, allowing your plants to thrive. When rooting cuttings, this product provides the ideal environment for developing roots, ensuring successful propagation. Additionally, it is perfect for potting on seedlings, giving them the best start possible in their new homes. By using Gro-Sure Perlite, you can enhance your gardening success effortlessly.
Swiftair Perlite for Horticultural Gardening
Swiftair Perlite is an excellent choice for all types of gardening, whether you're starting small or managing larger projects. This organic material, made from volcanic rock, enhances your soil, improving drainage and aeration, which is vital for healthy root development. With a particle size of 2-5mm, it optimises water retention and absorption, ensuring your plants receive the moisture they need. Additionally, it accelerates rooting and reduces the risk of fungal diseases, making it a must-have for your gardening efforts.
bhomescent Premium Horticultural Perlite for Potting
bhomescent Horticultural Perlite is a versatile gardening aid available in multiple sizes to help minimise waste. This natural mineral prevents water loss and soil compaction, ensuring your plants thrive. It is particularly useful for seed starting and rooting cuttings, providing the ideal environment for growth. Additionally, it expands up to 15 times when heated, creating a porous structure that retains air and water, which is essential for healthy plant root development.
PLANT!T Perlite for Soil Improvement
PLANT!T Perlite is an excellent choice for enhancing your garden. You can use it for soil conditioning, which increases aeration and drainage in compacted soils, making them easier to manage. If you're repairing or laying down a lawn, raking PLANT!T Perlite into spiked holes provides additional aeration and drainage. When planting trees and shrubs, it helps to loosen and aerate the soil, encouraging better root development. This natural, pH neutral growing medium is derived from volcanic rock, ensuring a healthy environment for your plants.
Premium Perlite for Plant Growth and Soil Health
UK GROW Perlite is a high-quality product designed to enhance your plants' growth and improve soil health. Its superior aeration capabilities allow roots to access more oxygen, promoting healthier and stronger root systems. Additionally, it boosts drainage efficiency, preventing waterlogging and protecting your plants from root rot. This versatile Perlite is ideal for all plant types, making it a valuable addition to your gardening supplies. You’ll appreciate how it supports robust growth and optimises soil conditions with ease.
E4Emporium Horticultural Perlite for Plants
E4Emporium Horticultural Perlite is an excellent choice for your gardening needs. This versatile growing media is ideal for seed germination, as it provides superb aeration and retains water effectively. When starting seeds, you'll appreciate how its structure helps maintain moisture and temperature levels, promoting healthy plant growth. It can be used both indoors and outdoors, ensuring your plants stay hydrated for longer periods. With its crushable nature, this perlite makes potting and planting tasks easier and more efficient.
R&R SHOP Expanded Perlite for Gardening
The R&R SHOP Perlite is designed to enhance your gardening experience. With a dry matter content of 100%, it provides excellent water retention of 300-400 ml/L, meaning you won’t have to water your plants as frequently. Its pH level of 6.5-7.5 ensures that nutrients from fertilisers remain effective without altering the soil's acidity. Additionally, the granule size of 2-6mm promotes optimal aeration, making it particularly beneficial for young plants and cuttings.
Grow Chem 5L Perlite Potting Mix for Plants
The Grow Chem Perlite Mix is an essential gardening medium that promotes robust root growth for your plants. Its lightweight granules ensure optimal moisture levels without the risk of waterlogging, making it perfect for both indoor and outdoor use. You’ll find that its high surface coverage and porous properties enhance soil structure, allowing roots to breathe and preventing them from sitting in damp soil. This versatile mix is also ideal for propagation and semi-hydroponic setups, helping your plants thrive.
Perlite for Gardening and Soil Health
The Gardening Perlite is an exceptional product for improving soil quality. It boasts a grade of 1 to 6mm, ensuring excellent aeration and drainage with over 90% total porosity. This means your plants will have better access to air and water, promoting healthier growth. Additionally, it helps to increase water infiltration and reduce evaporation, making your irrigation more efficient. With its neutral pH, it easily regulates soil acidity, allowing you to create the ideal conditions for your plants to thrive.
20L Premium Perlite for Gardening Projects
The UKGROW 20L Perlite is perfect for your gardening needs. With a generous 20L capacity, you can tackle multiple projects without running out of material. Its premium P35 grade ensures the perlite is sized at 3-5mm, optimising aeration and water retention, which is vital for healthy plant growth. The durable bucket design means you can reuse it for years to come, making it a smart investment. Plus, the resealable lid keeps your perlite fresh and free from moisture, ensuring it’s always ready for use.
Frequently Asked Questions (FAQs)
1. What is perlite used for in gardening?
Use perlite to aid drainage Succulents and other plants sensitive to moist soil benefit from having perlite added to the potting compost. The perlite will trap air in the compost and encourage water to drain through, ensuring the plant's roots will never sit in damp soil.
2. Can you put too much perlite in soil?
Can you put too much perlite in potting soil? Too much perlite in potting soil will cause water to drain out too quickly. A possible sign of too much perlite is when the plant starts the shrivel or yellow and the soil remains dry even though you water regularly.
3. Is perlite good for all plants?
When growing plants in perlite, be aware that it may cause fluoride burn, which appears as brown tips on houseplants. It also needs to be moistened prior to use to reduce dust. Due to perlite's large surface area, it is a good choice for plants that require levels of high humidity.
During our gardening perlite research, we found 31 gardening perlite products and shortlisted 10 quality products. We collected and analyzed 43,011 customer reviews through our big data system to write the gardening perlite list. We found that most customers choose gardening perlite with an average price of £16.55.
The gardening perlite are available for purchase. We have researched hundreds of brands and picked the top brands of gardening perlite, including Westland, Swiftair, bhomescent, PLANT !T, UK GROW.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.