 | Our Reg solves your gardening questions |
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Reg Moule is here to answer your gardening questions | | Reg Moule has been solving BBC Radio Gloucestershire listeners' gardening problems for years. Here are some more questions he has answered for online readers. |
| | | | In March this year I had my 20-year-old Sumac tree cut down as it was in a very poor condition. It had very long roots growing just under the surface of the lawn and I now find my lawn is covered in shoots coming up from the roots which didn't happen last year when I had the tree. I presume it means the roots are still alive under the lawn and growth is being shown in these new roots? As fast as I mow the lawn they are back again in their hundreds. Can I kill off the roots or shoots permamently. The roots seem to go in all directions under the lawn some being close to the surface. Maggie Powell, Warwick | Yes, this is very common with sumac trees - when you cut the main plant down the roots all sprout a forest of suckers. The bset treatment is to buy a paint on systemic herbicide like Growing Success Deep Root Gel. This comes in a drum with a brush built in to the lid so that you can brush it on to the foliage of the individual suckers from where it travels down into the root system. You cannot spray as you would also kill the lawn <<Back to gardening questions index | My roses are suffering quite badly with blackspot but I have a growing population of ladybirds - how do I get rid of the former and retain the latter? Also it it possible for the blackspot to infect a clematis that grows through one of the roses>? It looks about to die
Nicky, Kidderminster | Black spot does not attack clematis but other fungal problems do so, and in both cases a spray with Bio Systhane Fungus Fighter would help. You will need to make several applications about 10 days apart and fungicides do not kill ladybirds, however some insecticides do. If you clematis has totally and suddenly wilted this is due to clematis stem rot fungus and you should just cut the plant off just above the soil, wait for it to re-shoot and then apply the fungicide mentioned above. <<Back to gardening questions index | Is there a product that I can spray on my beds to kill the grass growing amongst my plants, that won't harm my plants? I pull it up but it is very persistent.
Kate Brennan, Warrington |
No, I'm afraid there is not. There was several years ago but it got banned.
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