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Peat-based mix
Holds moisture with naturally acidic pH.
SpongypH 4.5–6
Drainage
Moderate
Water retention
High
Best plants
Acid-loving plants, blueberries, camellias
Pros
Excellent moisture retention, acidic for ericaceous plants
Cons
Environmental concerns with peat harvesting; can become hydrophobic when dry
Amendments
Lime to raise pH if needed; consider peat-free alternatives