Author Topic: What is this plant (Read 9793 times)

cloddopper · « **Reply #15 on:** June 02, 2015, 07:50:50 pm »

Dunno DL .

To me it's a British knot weed p[lain & simple , have a look in Google images under the Latin name of Polygonum pensylvanicum there are some good likenesses.

Somewhere_by_the_river · « **Reply #16 on:** June 03, 2015, 10:31:32 am »

Could you mean 'redshank' Cloddopper? Wherever there's some from of cultivation there it tends to be (though I confess to being rather partial to the garden cultivar forms of Persicaria). A google search for Persicaria maculosa will find some pics and there's a good link here: http://www.gardenorganic.org.uk/weeds/redshank

Fleecewife · « **Reply #17 on:** June 03, 2015, 02:49:32 pm »

Just noticed a plant in my garden which looks just like the pic. I know it's not Rosebay Willowherb, but grows into something like a small, weedy version of that. It could be called Broad-leaved Willowherb. As I said before, you'll need to grow some on to be sure, especially with so many possibilities.

devonlady · « **Reply #18 on:** June 04, 2015, 07:38:49 am »

Rosebay willow herb is the the big show-offy one. Common willow herb has a smaller less significant flower head.

Penninehillbilly · « **Reply #19 on:** June 04, 2015, 11:51:27 am »

Hi WYF, our RB willow herb is growing like crazy, how about a new picture?

Quote - under the Latin name of Polygonum pensylvanicum

thats american? is it over here then? we don't have anything like that up here, just a small lower growing type. (apart from Japanese knotweed of course

)

cloddopper · « **Reply #20 on:** June 05, 2015, 10:59:11 pm »

I didn't realise the thread was still running . Alison has been pulling some weeds out the raised beds that mainly contain composted horse muck, coir waste and vermiculite there was plenty of knot weed .

I could have put up some pictures of different stages of my knot weeds growth & also some of the other horse resistant weeds that have come from the same beds .