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+--- Thread: Invasive garden plants (/showthread.php?tid=672)
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Invasive garden plants - Spec - 25-11-2020
[attachment=1662]The boss has threads about annual and perennial weeds but I would like to see a list of plants to avoid, the thing that has given me the biggest problem over the past two years is an invasive flowering plant, considered by many, myself included till last year as a nice plant to have in the garden, its one that now to me is well named, crocosmia Lucifer, a tall plant with upward facing red flowers, last year it became a bit of a problem so I thinned it out or so I thought,this year it completely swamped my flower beds[attachment=1659] the photo shows one of the areas where I had left it but unfortunately it got too vigorous and was smothering all the other flowers so it had to come out I finished up digging out three recycle bins full of it and having a look round the garden today I have more digging out to do [attachment=1660] there is also a couple of clumps of monbretia which are absolutely solid so they are coming out as well w and the bulbs on show came from underneath an apple tree I removed yesterday is there any plants you would advise not to plant
RE: Invasive garden plants - Veggie - 25-11-2020
I've spent most of today digging up Montbretia so, for once Spec, we're in agreement!!
RE: Invasive garden plants - JJB - 25-11-2020
I second that, crocosmia, grape hyacinths, and Spanish bluebells are all on my 'to die' list. A close second this year is Canterbury bells ( I think) they have expanded and self seeded everywhere.
RE: Invasive garden plants - Small chilli - 25-11-2020
I’ll add periwinkle & Michaelmas daisy to that list.
I’ve not got any of that Montbretia in the garden, but it grows wild in lots of places.
RE: Invasive garden plants - Veggie - 26-11-2020
I agree with Vinca/periwinkle and I'll raise you Red Campion - the wild one - that spreads everywhere.
RE: Invasive garden plants - Bren - 26-11-2020
Mine are grape hyacinths, Lady's mantle, Forget-me-nots and violas. Especially the violas it pops up in all my veg beds
Oddly I don't mind the Teasels and Honesty.
RE: Invasive garden plants - toomanytommytoes - 26-11-2020
Japanese Anemone. Spreads vigorously via underground runners and pops up everywhere.
Herb Robert self seeds like mad, but it's not that much of annoyance and it's easy to pull up. I absolutely hate the smell of it though.
Concur with forget-me-nots, Spanish bluebells and crocasmia/monbretia.
RE: Invasive garden plants - Small chilli - 26-11-2020
With you on the herb Robert. Very unpleasant aroma! Luckily don’t get much of that up here.
I’ll add feverfew to the list of pops up unannounced and more importantly uninvited. Also stinks, I really hate the smell of that as well.
RE: Invasive garden plants - Norfolk Grey - 28-11-2020
I feel bad listing anything as invasive - I just like that I can leave them to it and have no quarms about hacking them back as I know I won't kill them. Yay plants I can't kill and don't need fussing.
However, toadflax, valerian, buddleia and tree mallow also fit into the above mentioned plants
RE: Invasive garden plants - Veggie - 06-11-2023
Rather than starting a new thread, I'm resurrecting this one!
I've been looking at plants I'd like to grow but several are said to be invasive/active spreaders. Lots of the plants named on this thread are actually quite nice in small doses, even Montbretia and Vinca. I'm trying to imagine having a patch for invasive plants - where they could fight each other for dominance - but, hopefully stay out of the rest of the garden.
As kids we played a game where you couldn't be caught if you said you were In Cree and crossed your fingers - so I would put these plants in Cree where they'd be safe from weeding .
What do you think? Would it work and which plant would achieve dominance?