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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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I have a bay tree in a pot, the leaves have turned almost dirty looking & I've been told it has black rot?? Is there any cure to bring its leaves back to full colour?
Hi Gerry, I have three salix on my patio along with other container plants such as Acers and Phormiums. There is orange rust on one of the salix trees, do I need to treat this or dispose of it?
I have a lilac tree about 10 yrs old. It started to lean over but was stopped falling by a coal bunker. The bark at the bottom of the trunk has lifted all the way around. We supported it up again and watered well - but the leaves have all withered and it looks dead. This happened just after it was in flower.
My neighbour's large sycamore tree reaches over into my garden, where I am growing various vegetables for consumption. It is infested with Sycamore aphids, and my plants are being covered with the sticky honeydew. It is not the end of the world, I suppose, but is there anything that can be done to lessen the problem?
This was planted in our heavy clay soil (which is gradually being improved with grit, farmyard manure and our own compost) in February 2004. It has been doing very well since, flowering well this year and now covering the roof of the shed. But it seems to be dying and there are no new young shoots. It is not entirely dead: when I scraped a tiny part of an area close to the base it was green not brown. I have started to but back all the dead part in the hope that it will revive but I would love to know what I have done wrong. How on earth could anyone kill a clematis montana rubens?
I have a 290lt composter, from February '08. (from V & W Recycling, Dundalk). It's half full now, with fruit, veg., eggshells, egg boxes & grass cuttings. It has a lid & a solid base. Today, when checking the hatch at the bottom, absolutely nothing has happened. I even added "accelerator" last month. It's in an open site, getting the sun. What am I doing wrong??Many thanks.Maire
hi there gerry,we planted some green beech hedging in winter, as a boundary hedge. something is stripping the bark, or scratching the bark of the new plants, could this be hares, as they can be seen running thru the garden, in the morning,the site is very rural.Any ideas ?cheers john.
planted tree mallow last year.grew and flowered very well. pruned it this springnto within 1 foot of base. had to saw through thick woody stems. new buds appeared but now are wilting. i mulched with farmyard manure when it began to wilt and continue to feed it. I water it most nights. the new stems, about an inch long are still wilting. can i do any more ao have i killed it?
Hi Gerry, I have a silverbirch tee nin my garden which is approx. 20 years old, It has had neither a bud nor leaf for the past 2 seasons. There are no signs of damage or decay on the bark. Kind regards, Denise.
Can you advise how I might treat a young oak tree that has a shiny gloss on the leaves - it looks like it has some type of disease.
hi gerry, our street has about 6 silver birch trees, all around 20-25 yrs old . no troubles until now, but this year they are infested with white and green flies, we park under these trees and there is a sticky coating and flies all over the cars every day. the trees are as high as the houses--2 stories--so no chance of spraying!!. can you advise --or will a severe frost in the winter take care of the problem if we wait it out? thanks grerry.
Gerry whats the best thing to stop rabbits from eating my trees and plants.
We have major problem with Midges. We live next to a forrest with a stream running through our garden. We are thinking of trying to introduce bats as an natural predator. How do we go about this, and what are the pit falls, to having bats if we were successful. Is there other natural predators that would be equally beneficial. thank you.
hi gerry!
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