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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!
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