Is there any reason why H4 retaining timber cannot be used for raised vegetable beds ?
ryanm2,
Sep 10, 6:23pm
if you line the inside, the chemicals from the timber treatment shouldn't leach into the soil too much. Good for big broccoli though.
franken1,
Sep 10, 6:25pm
There can be some leaching of chemicals from the timber into the soil close to the timber. To reduce possible contamination, line the sides with polythene before filling it with soil.
tub4,
Sep 11, 5:05pm
All of ours gardens are raised using H4 retaining timber, we stapled polythene double thickness all the way around the inside from the top to a couple of hundred mm below the timber. We found .450 tall with .150x50 on it's flat makes a good seat as well as a place to sit your cuppa while tending your patch
gabbysnana,
Sep 11, 5:24pm
not at all.
amasser,
Oct 1, 4:13am
Macrocarpa sleepers last very well.
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