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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 you please advise most suitable bamboo to grow in a semi shade spot, non invasive / clump forming types only and will also act as a screen. Also bamboo needs to be hardy to cope with recent winters.
My solidago was covered with black flies last year and year before. any idea what they are and is there any solution I can spray them with to eradicate the same problem this year. Breda from Camross, Wexford.
I am a beginner gardener. I have lots of bulbs growing, which I planted deep (6").I would like to leave them there permanently. Could you please tell me if I could plant something over the top so that when they are finished, the weeds don't take over? I was thinking of some ground cover. Would the bulbs be able to get through Geraniums next spring or do they get too thick? Have you any other suggestions please? It is a sunny location with slightly acidic, sandy soil but I put loads of manure on top last autumn.
We have a wet area in our garden and we are looking to plant some reeds there. Could you tell me where i could source them in ireland please ?
I have a five year old variegated phormium which has outgrown its position very considerably. How can I move or remove it. The root is very tough. Any advice would be much appreciated. I never expected it would grow so big so soon.
i've a large and flourishing bamboo plant in the wrong position in my garden. I want to put it into trough style planters and it should divide up into 4-6 plants. when should i divide it and what sort of compost / soil should i use in the pots that i'm putting the divided plants into?
How and when should i divide and transfer arum lily. The lily seems to have been transfered with a weed so how to destroy weed and not lily. This is my grannys lily which i don't want to kill.
I bought a largish potted outdoor plant in Lidl last summer that produced daisy looking flowers during summer and early autumn.Sorry, I don't know the name of it! It now appears to be dead, all the branches brown and crunchy, no green on it whatsoever. Should I chuck it out or do you think it might be an annual that will come back in summer? And if so, what should I do with it in the meantime as it looks rather dismal at the moment.
I have two Stipa gigantea (Golden oats)grasses in my garden that have very large dry, straw-like tufts. They are about 15 years old and right now look a bit like hay stacks. I have tried to pull the old dry stuff away but it's proving a very hard job... as I imagine removing it altogether would also be. I would like to keep them if they can be tidied up so would appreciate some advice.
My large blue/puple iris rhizomes are now almost fully exposed over ground. I noticed last year that they didn't bloom well and subsequent greenery didn't seem to last. Should I cover them completely with soil?
I want to move a few things around in the garden to group things together.. can you tell me the best time of year to move perenials?
Should I now cut off the leaves of my Hellibores ? or should I wait until frost is gone ( or likely to be gone )
I have a beautiful white lupin and I saved a lot of seeds last year. When should I try to germinate them and how?
I would like to divide and transplant a very large fern (Dryopteris wallichiana) as it has got too big for where I planted it. Could you please advise me as to how and when I should attempt this?
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