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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 a Bougainvillia about 7 years old It is thriving on homemade compost. It is full of green leaves and purple Flowers and some of my family want cuttings when can I take cuttings?
Im doing agricultural science for the Leaving this year and for my project Im using potasium nitrate as my fertilizer. Im wondering where I can get it pure or almost pure or if there is a brand of it in garden centres.I have a fertilizer of NPK ratio 15-5-30. What percent potasium nitrate would that be?and would it be good for tomatoes.
I would love if you can help to name this plant, it's been in the family for generations growing in a tub. We devide and share out the bulbs every couple of years but have no name for it. It produces these beautiful flowers in August/September and needs little attention.
I am wondering about protecting my container plants, dahlias, bay trees, petunias, dianthus, etc, from frost over the winter. I have a large covered area that I could put them in but I am not sure if this would entirely protect them. Should I buy one of those plastic/temporary greenhouses and put them in this instead?
I need to find a supplier who sells heavy duty foil for polytunnels and greenhouses to change my own greenhouse before winter. My greenhouse was covered with something like that but due to weather little holes appeared, this is why I need something stronger. I don't want to throw my wee greenhouse away, it has a good and strong frame, and besides a new one is expensive.
I have an aeonium canariense (two tone - green and sort of aubergine! Anyway - I potted it on to a bigger pot in June and it thrived. But in the last week it appears to wilt during the day. What should I do?
I have been growing 4 different species of chilli peppers in my greenhouse, in pots. Whilst I planted the seeds quite late (mid May, owing to the fact that I was building my greenhouse!), 3 of the plants have started to produce chillies.However, the leaves are withering a bit at the moment, despite keeping them watered, and there is no sign of whitefly/greenfly etc. The actual peppers look healthy enough.Any ideas what the problem is, if any, or is this usual?
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