Monthly Archives: July 2006

Policeman’s Helmet Info

Q. My friend says there is no such plant as ‘Impatiens Grandelifera’.  Also, called ‘policemens helmets’.  I discovered them 9 years ago. Thinking they were weeds I pulled a few, took them to the master Gardner at Lakewold Gardens.  She … Continue reading

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Bamboo Invasion

Q. We are seeking your advice concerning a problem with neighbors who share a common fence-line who have planted invasive plants (bamboo) against this fence.  The large strong roots are invading our yard and landscape.  Recently they planted several more … Continue reading

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Plum losing leaves

Q. I have been treating my thundercloud plums for an aphid infestation. We have been using neem oil and insecticidal soap once a week for about two to three weeks. Now, the trees are losing a significant number of leaves. … Continue reading

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Dividing New Zealand Flax

Q. Dear Horticulture Guy; Several years ago, we planted three New Zealand Flax plants which have done very well.  In fact, they have grown so large that they are now crowding the street, the adjacent plantings around them and they’re … Continue reading

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Corn Gluten herbicide for Lawn

Q. I am interested in using corn gluten on my lawn to prevent weeds from growing.  Can you provide some info on this, including which form is best to use, where to buy it, and which weeds it prevents (does … Continue reading

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