Item Number: PSO150
Perlite (4 Cu Ft)
Perlite for Superior Drainage & Aeration
Perlite is a gardener’s go-to for loosening compacted soil, improving drainage, and increasing aeration. Coarse horticultural grade perlite is a lightweight, naturally occurring volcanic rock that has been heat-expanded into a porous, absorbent medium—ideal for seed starting, propagation, and custom potting mixes. It works as a soil amendment or as a hydroponic medium—for both home gardeners and commercial growers.
Key Features:
- Perlite (coarse) – ideal for seed starting, propagation, and container gardening
- Granule size: 1/16" to 5/8" for optimal drainage and aeration
- Enhances soil structure and prevents compaction
Sterile, odorless, pH-neutral, and non-toxic - Long-lasting—resists breakdown over time
- CDFA registered - organic input material
Benefits:
- Perlite improves water retention while promoting fast drainage
- Reduces the risk of root rot and supports healthy root growth
- Maintains oxygen flow in the soil, essential for plant vitality
- Perfect for mixing with coco coir, compost, or other soil amendments
- Does not affect pH—ideal for sensitive plants and hydroponic systems
Ideal Uses:
- Hydroponic medium for indoor or greenhouse setups
- Seed starting and plant propagation
- Potting mix for cuttings and young plants
- Helpful for succulents, cuttings, or any plants sensitive to excess moisture.
- Container gardening and raised beds
- Loosening heavy or compacted soils
Why Choose This Horticultural Grade Perlite?
Our NorCal Horticultural Grade Perlite is professional-quality and ready to mix into any growing setup. Whether you're cultivating cuttings, improving drainage in pots, or building a hydroponic growing medium, this product delivers reliable performance for both home gardeners and commercial growers. Looking for more ways to grow stronger healthier plants? See our complete collection of growing mediums and soil amendments and soil testing supplies

Check Your Zone Compatibility:
Compatible with your zone.
Growing Zone for

Our Guarantee To You
Since 1976, we've served our customers at every stage of growing. Please contact us at any time. We are happy to support and assist you.
Shipping Information
Shipping Information
Does not qualify for Flat Rate Shipping.
Shipping Weight: 30.0 lb
Dimensions: 27.5"L x 15.5"W x 13.5"H
Features
Features
- Use for Propagation
Characteristics
Characteristics
Use Instructions
Use Instructions
Useful Information
Useful Information
Guarantee
Guarantee
Share


I'm renovating my raised beds and adding new compost. Adding perlite is a great product to improve drainage and reduce compacting in planting beds, and the 4 cubic foot bag of perlite is a great buy.
great price big bag
I'm assuming this perlite was a certain grade at one time but by the time I received it, it was mostly powder, seriously. I would not recommend this particular product.
I use this for better aeration in my soil and works great. Only thing is it starts to work its way to the top of soil overtime. might try Pumice next time.
Very good product for transplant mix. Has a good mix of large and fine grains, which is perfect for most cell flats. I use it in cells as small as a 200 cell flat with no problems. I don't understand why the previous reviewer felt the need to sift it, this is completely unnecessary.