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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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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.
I am planning on purchasing a lean-to glasshouse. It is a very exposed site beside a lake, subjected to strong winds. What type of glass would you recommend? Is there a strength difference between safety & horticultural glass?
My dad grew this plant in a glasshouse this summer assuming he had courgette seeds, any idea what they are?
I bought a plastic hanging basket preplanted with cherry tomatoes. They are just ripening but the plant appears to be dying and half the tomatoes are diseased looking . What is it and what can we do?
I would like to know where I can get the Edible Barbadenis Aloe Vera plant, please.
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