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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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Im making a new bed. I hear that it's better to plant in spring if you live in the north. The bed is on the top of a hill and exposed to wind. What plants could be planted now or should I wait?
I have a magnolia tree which is now about 9 ft tall. It flowered in its first year but poorly. I moved it to a spot where it seemed to thrive but it has not flowered since that first year. It has large white/pink tulip shaped flowers (or could have.) Any recommendations?
I recently bought a white horsechestnut at a good price. probably sitting in a pot for years at nursery. there is some leafburn and bark damage. could you have a look at pictures and give me a prognosis. it has a good central leader so i took a chance once planted in ground it might recover next year. also where its planted will be a windy spot. could you give me some advice on care. i also took great care when planting adding composted manure and compost and well watered.
Looking for your advice on what to do with my new flower bed 10mx5m in the front of the house. I will be planting in two weeks but im not sure whether to lay the weed barrier and bark mulch on top,weed barrier and top soil on top or just plant and laying nothing at all and continue weeding until the plants eventually will cover.
Planted Hydrangea macrophylla early summer, was thriving for first 6-8 weeks but now some of the leaves are looking burnt and a bit dried out, but more distressingly all the flowers are fading in colour and turning brown, soil is moist I'm sure it doesn't need water but I have no idea what is happening to it.
I collect chestnuts, acorns, sycamore 'helicopters', beech nuts, rowan berries etc over the last few years during Autumn, and stick them in pots in compost over winter, usually in the garden shed. Often they won't germinate, but they regularly do. I now have a couple dozen tree saplings / seedlings and think they should probably be potted on for further growth. They range from 3-4 inches to 2-3 feet tall. When's best and any advice for best results?
I planted a hydrangea earlier this year, which was thriving - lovely dark green foliage & growing rapidly. Since the start of our 'summer' it has started to be effected by, what looks like, mildew. It has started to turn a pale yellow and is losing its leaves. I've treated the mildew with a baking soda solution however the shrub is still failing, badly!
I've a syringa vulgaris lilac bush that is not in great soil. While its healthy, its struggling to grow. I have it about 5 years and want to transplant it to a better area. It's nearly 4ft tall. Would replanting damage it and do you know what type of soil would be best? I'd like to do it now that the flowers have died off. Thanks!
I'm planning a new build the site has been chosen (not in Dublin) but there are approx 150 year old, 50-60 foot tall beech and chestnut trees on the site, could you recommend a safe distance the house should be from these trees root wise? Going at least the height of the trees from the house anyway.
I bought a wisteria plant 3-4 weeks ago. Want to grow it in a pot so bought a good big one but the leaves are turning brown and the plant is not growing.Wonder if the cold weather has anything to do with the fact that it is not doing well. Thank you.
Our red acer has seeds growing at the moment it is May 25th 2015, first time for this tree, when i can take them and try to grow new trees from them? Appreciate any help.
I would appreciate advice on how to deal with this problem. I had two 9ft Holly Alaska's planted last November. I had to tie the stakes to the fence over the winter to support as the strong winds were uprooting them. They have lost all their leaves from the top half - for about 4ft. I now notice that both growing tips have started to die back and have turned brown from growing tip down 12/14 inches. Should I prune off the dieback?
Just a quick query about my laurel hedge its along the side of my house some more exposed than others exposed ones have taken a battering with leaves falling of where the others have grown good do you think the leaves will come back the branches are still green fed them chicken manure in march should i feed them again this year.
I would like to plant both climbers in one large clay pot circa 17" diameter and 17" high. North facing wall at my front door with canopy and wall trellis. Will they work planted in the same pot and is that size pot adequate for healthy growth
I have bought 2 large pots diameter approx 80cm. They are for my patio which is very open and on a very windy site. I would like to plant a tall shrub/tree in each and plant some low lying plants around the bottom. Ideally I would like them to be low maintenance and as a permanent fixture. What would you suggest please?
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