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Over the years, Gerry has answered more than 5,000 of your gardening questions. His knowledge is based in science and practical experience, and by working on radio and television.
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Can I feed bay trees with tomato feed or can you suggest a suitable food. They are sparse and a little sad looking at the moment.
About 8 yrs ago I planted Rubus Tricolor on a long, large bank to give me quick ground cover. Well I got that for a few years but now it's like something out of 'Day of the Triffids'. It is growing at a huge rate every year & it seems like the more I cut it back (& that is a huge job) the stronger it grows & the further it travels. I really need it gone at this stage, therefore could you recommend a suitable weedkiller.
The sambucus nigra in the garden hasn't been happy these past few years; we've tried pruning, then not pruning but nothing has helped. The leaves have some brown marks on, probably not distinguishable in the photo.
An otherwise healthy-looking Aralia in the garden now has this leaf curl; is that just because of the dismal summer that we've had or something more sinister?
I have an 8 yr old Beech hedge which has begun to die back in the past 3 years in sections. I have heavy clay. On reading your problem section, if the die back is caused by a root rot or fungus is there anything I can treat the ground with in order to replant and should i use a different plant type?
See attached photo of what looks like a small brown crustacean on my wisteria. The branches of my blackcurrents were also covered in these. When picked off, the surface underneath them is slightly white. The inside of the crust is covered in a minute amount of whitish powder.
I have a 10m high beech tree. The leaves at the top half of it seem to all have brown blotches and are dying, the bottom half has some but is still in a much better state. 2 years ago a similiar tree about 15m away died. A close by beech hedge is struggling with aphids but the large beech does not appear to have any. What is causing this. Can the tree be saved by cutting the top half.
Is it possible to take cuttings from a large bay tree which is planted in the ground? The tree is in good condition.
We have seed feeders in the garden for the birds; however long periods go by when no birds visit - I am wondering is there a reason. Also, we have a Nyger seed feeder for the goldfinches, but they only visit infrequently.
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