London (change)

David K

Latest posts by David K


Posted: 26/06/2015 at 12:27

As far as I know there is no chemical control available to treat cabbage root fly. However, you may wish to try growing under fleece in future (it ain't going to go away) or use nematodes.......a species for use against cabbage root fly larvae and other pests, including the larvae of carrot fly, onion fly, leatherjackets, chafer grubs, sciarid flies, caterpillars, gooseberry sawfly, thrips and codling moth.

Will wood bark as a mulch cause nitrate deficiency?

Posted: 26/06/2015 at 09:33

As a gardener of many years I've also known this to be so (after all, it makes sense to be so) having said that, I never found it making any noticeable difference in my garden. I have two rose beds which are mulched with bark chippings and the roses themselves are very healthy.

I would just add that my source of supply is from my local Forestry Commission (I live on the edge of a pine forest) and find that due to the fact that my bark chippings contain pine needles, results in me having no problems with cat fouling.   


Posted: 25/06/2015 at 10:36

Chris - Some tomato plant leaves yellow due to a lack of sunlight on mature plants. Other causes may be due to lack of nitrogen in the soil, under or over watering, or magnesium deficiency......the latter can be treated with Epsom salts.

If plants are fruiting and are yellowing on the lower leaves, this isn’t something to worry about normally.

Greenfly on lupins

Posted: 25/06/2015 at 09:47

Angela - The 'shiny sticky' substance you mention is honeydew secreted by those aphids and a wash with a mild soapy solution is the best way to remove it. You may also notice the presence of ants on your lupins, they feed on this substance. In fact, they actually farm these aphids by moving them from one plant to another.

It may be worth noting that the aphids found on lupins are a separate species that feed solely on lupins and are much larger than those found on other plants.

Growing Sweet Peas 2014/2015

Posted: 24/06/2015 at 17:09

Well done, there was no need to worry.

I see from your profile that you are fairly new to gardening, this would no doubt account for your being a tad over enthusiastic. I would take deep breaths & keep a lid on that enthusiasm.....just enjoy your garden.  

There are many experienced, old hands on this forum who are very generous with their help.

Care of box hedge

Posted: 23/06/2015 at 16:22

Hi, Shirley......the time honoured date amongst gardeners of he old school is for clipping box on Derby Day, not to be adhered to too rigidly, but it does  help to focus the mind on early June. You may wish to clip again in September, but just be wary of not clipping prior to frosty weather.

I prefer clipping mine by hand (cos I'm old fashioned), believing damage can be caused by cutting back too hard with those darned leccy thingies.

Monty and those gardening sins...

Posted: 21/06/2015 at 08:40
Outdoor girl wrote (see)

Oh dear ... this thread  took a turn I was not expecting. I suppose I should have said that at least Monty does some things the way normal mortals do too.  Another example of foot in mouth syndrome. 

I'm sure you stumbled unwittingly into the dragon's den, Outdoor if I had started such a thread!  

Growing Sweet Peas 2014/2015

Posted: 20/06/2015 at 17:49
baza wrote (see)
Doing it everyday unless we have rain


That's good...they do look healthy.

Growing Sweet Peas 2014/2015

Posted: 20/06/2015 at 17:22

Well done, Baz......hope you don't mind me saying, but given the depth of soil in those containers, you'll need to be feeding & watering them constantly over the coming weeks.

Camera Corner

Posted: 19/06/2015 at 22:33


Another rather nice sunset for you, Lily.

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