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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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Mixed hedge planted 2 years ago. Clipped back last Februray, grew great this year. Over the last month however leaves on whitethorns plants only have gone white and some of the trees are starting to look dead. Do you have any idea what it is and can it be cured.
My back garden willow (which I aggressively pruned in the Spring) is massively infested with black aphids, and in the last couple of weeks, their honeydew has been attracting wasps. The wasps make it difficult to be in the garden, plus, I need to prune the willow, but risk being stung. Is there anyway I can get rid of the aphids, and thereby also get rid of the wasps? I'm attaching a pic of the aphids in case I have the wrong bug.
This is a tree, Salix matsudana tortuosa, I've been told, that is suffering this year and wonder if you can help me to help it, thanks! could it be in too dry a spot?
how.do.i.get.laurels.to.grow.from.cuttings?
For some reason my septic tank is slap bang in the middle of my back lawn. i'd like to hide it but not sure if i can plant directly over it. what do you think? a few Taxus Summergold maybe and a tall conifer?
I planted a magnolia Susan this spring in the garden and it was full of flowers in May but after they were gone no leaves appeared. What do you think happened?
4 weeks ago we planted mature (10ft) Portuguese Laurel which were transported from Italy. In the past week a lot of the leaves have turned yellow. They are watered every second day for about 20 mins per tree - are they getting too little or too much?
Would you recommend a name of a fast growing hedge and one that would stand up against the winters we are having of late?
what is the best feed or fertiziler to feed leilenda hedge is there a time limit before you see results months or year and do you mix into soil should i cut or leave it now
I have a boston ivy, young plant, growing up trellis on my balcony. There seems to be these clear tiny globular things on the plants. I have brushed most of them off as my first thought was insect larvae (am hoping it's not a vine weevle) and was just wondering what it could be. Any suggestions or advice would be appreciated?
Beech hedge planted three years...about a hundred metres long. Is there a weedkiller that can safely be used to control weeds around the hedge?
what could I grow in front of these plants both are part of an informal hedge?
I thought my 18ft Cordyline had survived the bad winter as it continued to grow and flowered recently but this week I noticed the bark is falling off about a foot from the bottom of all three trunks... Assuming that this tree is now dead I am going to cut it down and let the new growth which has appeared out of the ground to continue to grow.. I was wondering should I leave the stumps of the remaining tree bare after I cut them or should I treat them with something?
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