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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 wisteria planted near a wooden arch its about 3 years old how and what do i prune to get it to trail up the arch? It has flowered and now its put out pieces like runners!
i have a large heather bed some of it is going out of bloom when can i prune or how much can i prune
My lavender of about 6 years is gone "all over the place". It smells nice in Summer but the shape doesn't vaguely resemble a circle and there's also tall grass growing up throughit. Is it time to dig it up and replant a new one or is there something I can do to save it?
I live in an estate that is about 10 years old and all of the trees in it have been staked since they went in. I have read in several places that it is best to remove stakes within one to two years and wonder if we should do so now. I would not query this except for the fact that at times the wind through the estate is very strong and there is some concern that the trees need the stakes to support them otherwise the wind might blow them down. Is this likely and what do you suggest?
My beautiful 15 year old Cornus Controversa Variagata has some dead branches on it this spring and other branches are quite sparse with buds growing up instead of laterally. The rest of the branches look quite healthy. Should I cut off the dead branches and the buds that are growing upwards. Do you think I could lose the tree. There is no sign of insect damage or any other damage on the tree.
Is it possible to graft Crataegus laevigata 'Paul's Scarlet' on to the ordinary thorn yearlings found in the hedgerows?
I have a 6 yr old Wisteria climbing over a small summer house. I want to knock down the house ,but I dont want to loose my Wisteria .There is nowhere nearby to retrail it over. I would like to therefore to convert the wisteria into a small tree .The wisteria trunk is upright to 5' 8" and about one and a half inches in girth. I have trimmed back all the trailers in late summer and any suckers and lower trunk branches .Can you guide me in the right process to conversion?
I am trying to remove an ivy from my mother's house that has started to go up under the roof. I have managed to remove the ivy but it is leaving terrible marks on the walls that I cannot remove. Any advice on how to remove these marks.
My small-type weeping willow, fully grown now, was torn apart under its two forking stems three years ago. I tied the two parts together and it is surviving well. I also nailed two metal strips over the joint, and the bark starts to grow over them now. Should I remove (with some damage) and replace the strips? Thanks, and regards.
My 8 year old son and his friend have just stripped all the bark off a horse chestnut (one of a pair that have been growing for about 18 years each side of an entrance gate) up to a height of about 4' 6". There is not one piece left from ground level even on the branches. Is there anything that I can do to save the tree ? can it be wrapped or anything ? please Im despreate.
I have an escollonia hedge about 3years, I think it needs trimming but I'm not sure when the right time would be,
can branches be encouraged to grow on the "bare" side of the weeping mountain ash. all the weeping branches are on the one side at the moment. can i nick the bark on the trunk to encourage shoots
I have some miniature Azaleas in my garden, just wondering as the flowers fade on the shrub can you dead head them to help keep the shrub in bloom?
I had a cordyline 'Red Star' growing in a container for about two years, and when I planted it in the border last year it sprouted from ground level. As I would really like to preserve the original crown and gain height, would it help if I remove all the ground level growth?
We had a Virginia Creeper planted 4 years ago, to climb a 'plain' breeze block wall. I must confess we never really trained properly in the interim. Most of it collapsed over the winter. Before it starts to grow again what is the best approach to 'retrain' it to climb properly.
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