I ended up picking up the Digital Soil PH Meter. It works well - feels sturdy, and reads a pH almost instantaneously. I checked the area we just planted the azaleas - 6.5. I think thats too high, I read somewhere that 4-5.5 is ideal. I guess I need to get something to work into the soil, plus some pine bark mulch or pine needles to mulch with. I found out that hardwood bark mulch (which we used last year) raises the pH. No wonder the existing Azalea lost its color and looked sick. Apparently at a high pH it can't pull nutrients from the ground.
I also bought some potting soil for some Camellia cuttings - we're going to try to root them. Got stimulator for them too. I'm not expecting too much from that experiment, but wouldn't it be cool to wind up with 3-4 baby Camelias?
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