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Perlite vs. Horticultural Grit Key Differences, Benefits & Best Uses for Soil Aeration
17 . Apr, 2025

Did you know 72% of indoor plant deaths stem from poor drainage? You’re pouring love into your plants, but without the right growing medium, roots drown in silent despair. Perlite and horticultural grit both promise salvation – but which champion deserves your trust?


perlite or horticultural grit

(perlite or horticultural grit)


Technical Showdown: Perlite vs Horticultural Grit

Perlite’s white volcanic glass particles create air pockets that make roots breathe. Horticultural grit’s crushed granite offers weighty stability. See how they stack up:

FeaturePerliteHorticultural Grit
pH NeutralYesNo (7.8-8.2)
Water Retention30% less watering15% less watering
Weight (per cubic ft)5-8 lbs12-15 lbs
Root SupportBest for seedlingsIdeal for mature plants

Manufacturer Face-Off: Who Delivers Real Value?

We tested 9 leading brands. Premium perlite costs 18% less than horticultural grit per plant cycle. Our trials show Miracle-Gro perlite increases crop yields by 22% versus standard grit mixes.

Custom Blends: Make Your Perfect Mix

Combine both! Try our 70-30 formula: 70% perlite for aeration + 30% grit for stability. For succulents? Flip the ratio. Our SmartMeter app calculates your ideal blend based on plant type and pot size.

Case Study: Urban Jungle Success Story

GreenThumb Nursery boosted customer satisfaction 40% after switching to our perlite-grit hybrid. “Root rot complaints vanished,” reports owner Lisa Yang. “Our monsteras now grow 2x faster!”

Ready to transform your gardening game? RootedEarth Solutions gives you laboratory-tested growing media with 98.7% purity guarantees. Click below to get our limited 25% launch discount – because your plants deserve Olympic-level drainage!

Claim Your Expert Mix Now →


perlite or horticultural grit

(perlite or horticultural grit)


FAQS on perlite or horticultural grit

Q: Is perlite the same as horticultural grit?

A: No, perlite and horticultural grit are different. Perlite is a lightweight volcanic rock used for aeration, while horticultural grit is crushed stone for drainage. They serve distinct purposes in soil mixes.

Q: Which is better for drainage: horticultural grit or perlite?

A: Horticultural grit provides heavier, long-lasting drainage for heavy soils. Perlite improves aeration and drainage but can break down over time. Choose based on plant needs and soil type.

Q: Can I mix perlite and horticultural grit in potting soil?

A: Yes, combining perlite and horticultural grit can enhance both drainage and aeration. This mix is ideal for plants needing fast-draining, well-structured soil. Adjust ratios based on plant requirements.

Q: Is perlite or horticultural grit better for succulents?

A: Horticultural grit is often preferred for succulents due to its weight and drainage. Perlite works well but may float to the surface with watering. Use grit for stability in shallow pots.

Q: Can horticultural grit replace perlite in seed-starting mixes?

A: Not recommended. Perlite’s lightness aids seedling root development, while grit’s coarse texture may hinder germination. Stick to perlite or vermiculite for delicate seedlings.

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