Glossary
NPK
Growers call it the three numbers on a fertilizer label: nitrogen, phosphorus and potassium, in that order. For cacti no single ratio is agreed: gardens and extension services recommend a balanced feed, a low-nitrogen one such as 5-10-5, a high-potassium tomato feed, or one higher in phosphorus than nitrogen, and none is put ahead of the others.
Words that go with it
- ChlorosisGrowers use it for yellowing caused by the plant making less chlorophyll.
- EC (electrical conductivity)Growers call it a meter reading of how much fertilizer is dissolved in water.
- Foliar feedingGrowers call it spraying diluted nutrients onto the plant's skin instead of watering…
- LockoutGrowers use it for when soil chemistry, usually the wrong pH, stops a plant taking up a…
- MycorrhizaeFungi that partner with plant roots, growers say.
- pHGrowers call it how acid or alkaline the water and soil are.
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Learned from the sanpedrocact.us community wiki (CC BY-NC 4.0) and from @sanpedromastery6262 on YouTube.
Every photograph in the yard pages and the shop is of a plant grown here, except where a listing says it was grown by somebody else — it says so on the listing, above the price.
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