♻️ Organic — Questions & Answers
3 answered questions in this section, written and reviewed by the PlantSavvyWorld editorial team. Last reviewed 2026-09-06.
How much worm castings should go into a potting mix, and what do they actually do?
Ten to twenty per cent by volume is the useful range for most container mixes. Below that the effect is marginal; above roughly a quarter the mix starts to hold too much water and compa…
Read the full answer →My compost heap just sits there. What am I doing wrong?
A stalled heap almost always comes down to one of three things: the carbon-to-nitrogen ratio, moisture, or oxygen. Fix those and decomposition takes care of itself.…
Read the full answer →Which organic pest controls are actually effective and which are a waste of time?
Effectiveness varies enormously, and being organic is not the same as being useful. It is worth being blunt about which is which.…
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