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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 bought a Crittal Greenhouse 2nd hand and need to replace a lot of glass any ideas where I might get some in the Bray/ South Dublin area
I am growing cherry tomatoes in a grow bag. The top level of leaves have a discolouration in comparison to the leaves on the lower level. Is there something wrong here?
Can you suggest a reason as to why begonias, although covered in lush healthy leaves, are not producing flowers? They are potted since beginning of May! I didn't use fresh compost but, replaced the top few inches and added some Fish-Blood & Bonemeal NPK 5 : 1.3 : 4.2 Would removing some of the leaves encourage flowering?
1.5 metre high Orange tree in container (pit planted Jan. 1999) dropping leaves continuously with no apparent reason/visible damage. Leaves are pliable/healthy and smell of orange if rubbed but they are falling directly from the stem. Kept on enclosed, unheated porch year-round. Used an all-purpose pre-mixed liquid plant food for the first time in early May and the leaf drop started a week or so later. Flushed the container a few times since. Never had this problem before. Has never flowered but I don't mind. Could the roots be burned? Does it need repotting? Should I cut it back?
The flowers on the first truss of my tomato plant have begun to brown and wilt. Do I need to hand pollinate? I am growing in a greenhouse and watering pretty much daily.
Can you recommend anyone who can erect a polytunnel near Tubbercurry, Sligo?
I bought this plant a few months ago thinking it was a Christmas Cactus however it has only just flowered in the past two weeks. Also the flowers close at night or if the sun doesn't shine they don't actually open. Have you any idea what this plant is?
3 year old vine, produced healthy leaves this season but now leaves have curled up, brown spots, withered and died - any solution?
I have one Black Hamburg grapevine in a glasshouse. It is 30 years old. Grape crops were excellent up to 6 years ago when it was attacked by mealybugs brought in on an ornamental plant. How can I get rid of this pest chemically? I have tried control by cleaning off old bark, squashing egg-nests, etc., but the pest lives on despite these efforts.
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