Q: Are eggshells good for your garden and should they be added to your compost? Conventional garden wisdom says yes, but I believe that we have too much calcium already in the soils here in Southern Nevada, so adding eggshells is not a good idea. What do you think?
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Q: Eleven of my 50 young pomegranate trees have leaves yellowing and dropping off. I water this area once a week by flooding. I sprayed a weed killer, 2, 4-D, near the pomegranates, but I protected each one with plastic to avoid damaging the trees. Where did I go wrong here? If the weed killer is the problem, is there any way to save them?
Q: Look what my husband did? He cut my saguaro below the seams before consulting with me. I know it looked kind of sick (the tree, not my husband), but he cut it. I am going to cut those chunks all the way down.
Q: You have converted me to the doctrine of using wood chip mulch. Is there any reason why I couldn’t use wood chips in my strawberry bed? My wife used to put strawberries in pots, and they never did well.
Q: I planted three yellow Lady Banks roses on my south wall when I moved here 10 years ago. Two years ago, my neighbor planted a white Lady Banks rose nearby. This year I noticed white roses growing on my yellow Lady Banks rose. I thought these flowers might be from their plant, but I traced it back to the base of my vine. Will my yellow roses eventually all be transformed to white? How do you explain this botanically?
Q: I can never find Cercis occidentalis, western redbud, at local nurseries. Any idea where I can locate it?
This cool, wet spring was perfect for some early insect and disease problems to appear, namely aphids and powdery mildew. Roses and plants in the rose family, like many of our fruit trees, were rapidly hard hit because of cool, wet spring weather. This will get worse.
Q: Is it too late to prune? We have artificial turf around the tree, but the borders are open for applying fertilizer. Is this good, or should we use fertilizer stakes too?
Cool, rainy weather when pear and apple are in bloom is perfect weather for fireblight disease. Fireblight is a very aggressive and dangerous plant disease that shows up as new infections in about May in Asian pear, European pear such as Bartlett and some apples. It can be a major problem on quince too.
Q: If a fruit tree gets infested with borers in the main trunk and seems likely to die, can I cut off the trunk and allow the tree to grow back from this stump?