Roger Brook

Latest posts by Roger Brook

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Posted: 15/02/2016 at 14:31

Glyphosate kills couch very well and couch can easily be completely  and permanently killed when it  is open to spraying. It is much more of a challenge when growing intermingled with plants but under the canopy of shrubs, for example, is easy to selectively spray.

There are two secrets.

1.The couch needs to have had chance to make a good top of green leaves to drink up the weedkiller

2. The couch needs to be intact as a plant. Lots of little pieces chopped up by cultivation are not sufficiently exposed on account of erratic regeneration from each 'root' (rhizome).


Is it too late to pot up?

Posted: 20/09/2015 at 14:33

In my opinion you can in principal pot on at any time of the year. That is not to say that in particular cases it might not be appropriate.

Whats all this about repeated potting on? it is sometimes appropriate for economies of greenhouse space and for heavy handed waterers but most of my potting is straight into the final pot.

Asian Caterpillar

Posted: 27/08/2015 at 11:52

It suddenly seems to be all over the press about box caterpillar.

By coincidence I wrote a post about its control yesterday



What have I grown?

Posted: 26/07/2015 at 16:24

Definitely dahlias!

My chocolate coloured leaved ones have profusely self sown themselves last year and this Spring I have a lovely brown carpet. I am waiting to see how variable the flowers will be

I'd please

Posted: 29/06/2015 at 17:43

It's a very coarse weed and will grow much higher yet. You see it in very rough places like around old building sites although we have it in the corner of our adjacent field germinating in the tilled soil.

I did not know it was called mugwort but would have said from general experience that it was an artemesia or close relative. It normally does have a characteristic smell but this is not compulsory.

I googled mugwort and the picture at the top  was a dead ringer for the one in your picture.

Oh come on......

Posted: 26/06/2015 at 18:33

I always expect to read sensible gardening comment from you Verdun. Stick to what you know!

I like to have a good rant about all kinds of topics but unless it's about gardening not in public!

Yes there is a huge 'industry' of grants and vested interests in both directions and things are not clear cut but the potential dangers of climate change are too big to ignore

Eating paper?

Posted: 16/05/2015 at 16:56

We have an indoor pest that eats paper! Our free flying love bird Poppy loves it and perforates the edges of everything - calendars, books, cheques and even a five pound note.

He has also suddenly discovered he loves the leaf of our streptocarpus and eagerly devours it. It's the only plant he touches and on separate occasions has pulled off the  flowers and eaten a complete leaf!

Toms flowering

Posted: 13/05/2015 at 18:06

My instincts are to leave the flower on. Good joke by Welsh Onion but I would consider  the flower indicates health rather than the opposite.

Can someone identify this awful growth in my garden please?

Posted: 28/04/2015 at 18:47


The link is  to a most fantastic fun video of horsetail spores dancing!

Can someone identify this awful growth in my garden please?

Posted: 28/04/2015 at 18:28

I have never used  Kurtail but isn't it a defoliant rather than a root killer? I would use glyphosate myself. 

What a super picture of the spore production machinery! Wish I had one like it when I blogged about this weed last year!

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