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Going to do raised beds for tropical style garden with plants like palms, ferns, caster oil plant,cordylines and bamboo, would i start with a layer of stones then soil for drainage. Advice please.


Bamboo and fern do not really need drainage but certainly the palms and Cordies will if you want to see them over winter. Lots of grit - you buy them in large packets for a few quid in GCs. Mix the grist with the soil and mix. Simple as adnd does work. I also add in bark and rough compost.

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