pH and Cactus
My Northern Garden lets us know that your local city water may be more alkaline than you think. And if you’re not thinking about it, then maybe you should get out a pH tester right now.
Adjusting pH for houseplants is one thingan entire garden is another. Malcolm uses a watering system that involves a sump pump, a 45-gallon garbage pail, and an octopus hose system.