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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 an olive tree (c.6 ft) in a pot (c. 2ft diameter) for around 5 years. Want to know when is the best time to re-plant it as the roots are appearing and it has never really grown very much and what size pot should I aim for.
I cannot seem to grow Rhododendron. I set the Rhodo's in Brown Gold. Dug a deep hole and filled it with brown Gold. However even a large Rhode is now starting to turn black - this will spread and kill the entire plant. A smaller Rhode is already ravished and died as per pictures. Thanks Gerry. If you have any solutions. I live on the side of south facing hill. Open to elements. I thought Rhodo's were hardy.
Last Spring I sowed a lot of seeds. The labels got mixed up on some & it ended up I was unsure what I planted. Most I managed to get sorted out, but this one is unique - no other seed like this germinated and I don't know what it is. I have it in a large tub with some morning glory seedlings. It is about 17 inches tall now. Can you tell what it is?
What plants can I take cuttings of for propagating in June or July ?
How far to keep away from mature trees building a wall?
I am living in Roscommon and looking to plant a couple of native oak trees. The soil is slightly alkaline. Would oak grow in this soil and if so are there any stockists near me. My local suppliers tend to stock English oak when they have oak in stock.
My cherry blossom tree is planted now about 9yrs and it's not growing. Flowers very briefly with about a diameter of 2inch's since the day I planted it.
We are lucky to be moving to a beautiful riverbank site shortly. I would like to plant a weeping willow/s at the waters edge. It is a stoney riverbank which floods regularly. How do I go about this, will the tree disappear with the first flood?Also I would love to set wildflowers on the sloping riverbank from the house. At present it is covered with grass, which is mowed/strimmed regularly during the growing season. Much of this ground is river stone, so I don't think rotavating is an option. What is the best way to introduce native wildflowers to this spot? I would really appreciate your expert advice on my first world problems!
We have a topiary tree with inner frame in the shape of a horse. It's probably about 10 years old now. Is it possible to remove it from current location and replant, sell on or donate?
I have a fig tree growing in a polytunnel for 3 years. Lots of fruit but tree is now too big. I'd like to move it outside but don't want to kill it.
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.
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