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Alkaline soil mix
Higher pH for lime-tolerant plants.
MediumpH 7–8
Drainage
Good
Water retention
Moderate
Best plants
Lavender, clematis, Mediterranean herbs
Pros
Suited to Mediterranean and chalk-loving species
Cons
Blocks iron uptake for acid-lovers; not for blueberries or azaleas
Amendments
Avoid peat; use loam, grit, and lime if needed