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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 some perennials that were bought for me in the last month but because of a bad back was unable to plant them as yet. Is it too late to plant them now? or could i plant them and give them a good mulch? or should i just cut them back and leave them in their pots and plant them in early spring?
I have a Verbascum densiflorum and a friend wants some seeds. I have crumbled some dried flowers from one of the spikes (that grew to about 10 feet!) but I can't identify anything as a seed. How can I identify the seed or is it possible that there is none?
I sowed hardy perennials in late Sept/early oct. some have germinated and are tightly packed in the pot. I think it is too late to prick them out. Will they survive in my plastic greenhouse? I have each pot in a ziplock freezer bag which is open now, but I can close over the winter. I have overwintered older seedlings(from summer sowing) in plastic boxes with snap lids before. this is my first attempt at autumn sowing. Should I do anything else?
Can I divide Oriental Poppies and Astilbe now?
I've noticed some damage on the leayes of lupins. What could be the problem, i.e. what pests are common to these flowers?
Should I deadhead my jasione as the old flowers look very dull? how far down the stem should i cut?
I am getting rid of a flower bed which has alot of Geranium Endressii in it. I was just wondering if I sprayed them with a weed killer would it kill the roots also as there are too many of them to dig up.
I planted out my Everlasting Sweet Pea earlier this year. At that time I had very little in my new garden. My Verbena was very small then. Since then I have spotted these sweet pea in other gardens and they seem to be very bushy and strong. I am afraid for my Verbena which gives me great joy and even in the bad summer that we've had has attracted lovely butterflies. Can I move my sweet pea or when should I do that?
I got a gift of this beautiful shrub. It hasn't thrived at all. I started gardening in April of this year. The flowers are beside a beautiful wall of an old walled garden. I am aware that years ago this area had glass houses and in places there may be old foundations. I have cared for and encouraged the shrub but to no avail. My friend has been able to cut hers as cut flowers. I hope you will be able to help me and I would appreciate same.
This monarda we bought last year was helathy and flowering but seems to be struggling; I've given it plenty of water and it's in a courtyard which gets afternoon sun; anything I can do for it?
I have some poppies growing that I planted, as opposed to wild ones. They have finished flowering now and look a bit straggly. Should I cut back parts of them or should I leave them alone?
I am looking for a plant called the Pride of Maderia (Echium candicans), can I buy some of them from you?
I want to move my agapanthus from the front garden into the rear garden. When is the best time to move them also can I divide them up as they are in a big clump?
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