Invasive plants (forum)

snottiegobble starts with ...
I thought I would start a thread on this subject because so many of us have cursed the day we brought a certain plant into the garden so here`s a start:

CHINESE ARTICHOKES. Every tiny bit of tuber that you miss when harvesting re grows. Not worth all the bother anyway!
SOAPWORT. lovely pink perfumed flowers, but once established the fast travelling rhizomes are there amongst all your other plants roots for ever.
INDIAN STRAWBERRIES.small attractive, but very invasive plants with lots of runners.
The little red fruit are tastless to us. but not to the birds so you will have seedlings everywhere as well.
OK. Your turn!!
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Time: 30th April 2010 6:45pm

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About the Author snottiegobble
bunbury
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amanda says...
Rocket...just took out 4 wheel barrow loads 2day....the tiny seeds have spread everywhere. Nothing eats it - may make a good bug spray? Chooks and guinea pigs won't touch it.
At least it's seasonal tho'.

Couch..**#$@@ ... a stowaway in some horse poo..now in my orchard..grr.

Cape wattle and most acacias, fountain grass, cape beard, crownless(?) thorn.

Time: 30th April 2010 6:54pm

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About the Author amanda19
Geraldton. WA
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Brendan says...
Mustard Lettuce. Not real worried about it tho, I love it with tomato & garlic on a sandwich, but I'm fighting a losing battle as my pet wallabies won't touch it:-( And the feral stuff is soo hot!
I'm sure this is what they make mustard-seed oil from.

Also, passionfruit, brazilian cherry and a plant called Red-leaved Alternanthera (Alternanthera brasiliana 'Rubiginosa'). That last one is taking over my 5 acres, and the wallabies spread the seeds because it sticks to their fur:-(

Time: 1st May 2010 6:41am

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About the Author Brendan
Mackay, Q
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Phil@Tyalgum says...
Miners lettuce sounded like a good idea at the time. Also grows under dry shade like conifers, cypress and doesn't need any water. Trouble was convincing other people it was edible! Makes a good groundcover and nice to nibble on the younger leaves, but hard to get rid of. Fortunately it disappears over the cooler months. Did very well on the farm in Victoria.
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Time: 1st May 2010 8:52am

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About the Author TyalgumPhil
Murwillumbah
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Speedy says...
weeds... all growth is good,
anything that grows in my area is fixing carbon, cycling nutrients, adding fertility to the soil.
There are nuisance weeds like Salsola , Bathurst burr, Caltrop and spiney burr grass that I'd rather be rid of.
oh yeah couch in the lawn....a tough survivor here, but has rhizomes and creeps into the garden beds, unlike the buffalo grass which has only stolons.

Apart from those ones, they're all welcome, including some I've introduced , inc. salsify, sand rocket , various chicory varieties, large leafed purselane cardoon etc.
even lettuce self seeds here in the watered areas of the garden and I let them go till picking size.
All of those, I use as food.
The more that grows on it's own , the less I have to look after and the more time I can spend on trees or other things.

I guess one advantage of low rainfall and the need to water is that nothing really goes too rampant.
My garden is in what was a bare paddock , so anything I do here is an improvement on the biological desert that it was a couple of years ago.
Also, no bushland for my garden escapes to get into.

I like most weeds, but the ones I don't like , I kind of have to admire them for their resiliance and 'determination' to change soil conditions to something better.



Time: 1st May 2010 2:38pm

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About the Author Speedy
Nth. Vic.
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snottiegobble says...
Yeah, a lot depends on the soil & climate. Here in spring & early summer nasturtiums,& periwinkles can be a real headache, & arum lillies even grow amazingly well in pine plantations. There are a lot of African imports causing headaches.
Guildford Grass is not grass but actually a corm & its stem is thin & wiry & looks like grass as it spreads so thickly. Problem is its tougher than any lawn mower so it drives the lawn fanatics crazy around here. I call their lawns "bonsai lawns" cause they are never allowed to be above 1 cm tall!
Love your selection of fruit trees Phil & the view is pretty good also!


Time: 2nd May 2010 2:52am

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Phil@Tyalgum says...
Hey thanks for the comment, most of my trees are pretty young so hoping for good results to come.

Time: 2nd May 2010 8:51am

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About the Author TyalgumPhil
Murwillumbah
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amanda says...
Well said Speedy - if u can't beat em, join em hey?? or least get them working!I admire some of my 'weeds' too. My block would blow away in the wind without a lot of them....

Time: 2nd May 2010 11:31am

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About the Author amanda19
Geraldton. WA
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Julie says...
I was a bit taken aback when I saw some of the plants on this list. It is for WA, so don't know how it applies to other states.

http://www.growmeinstead.com.au/search.aspx?keywords=&type=1&fields=3&region=10&invasive=1&page=1

Time: 26th May 2012 7:59pm

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About the Author Julie
Roleystone WA
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snottiegobble says...
I wouldnt take it too seriously Julie, its probably just a ploy by this nursery group to sell more "good" botanicals. There are an awful lot of olive plantations in WA, & people arent going to pull out their Nellykelly passionfruit ( although I agree that the rootstock is very invasive), & councils are still using gazanias to beautify difficult areas & settle sand.
The most annoying & difficult weed for me to constantly deal with (particularly in the raised vegie patch) is Creeping Oxalis!


Time: 31st May 2012 12:53pm

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About the Author snottiegobble
Bunbury/Busso
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MaryT says...
SG you can eat oxalis; http://www.alafarmnews.com/index.php?view=article&catid=50%3Athe-herb-farm&id=1306%3Aoxalis-pretty-and-you-can-eat-it&tmpl=component&print=1&page=&option=com_content&6ed3af3a7fb3f305843385fa292f20df=a5173a16bda8c630f657144eefd68f47

Time: 31st May 2012 3:57pm

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About the Author MaryT
Sydney
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snottiegobble says...
Mary, it does warn against ingesting too much oxalic acid so with my constitution I will give it a miss! I do however grow OCA, which are a tuber forming oxalis from the temperate regions of the Andes in Equador. With oca only the tubers are eaten & they must be aired in the sun for at least 2 weeks after harvest for the acid to become depleted! I was very successful growing oca in Vic. but here is a different story!

Time: 31st May 2012 6:43pm

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About the Author snottiegobble
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MaryT says...
sg I googled oca and you know they tell you everything about it except what it tastes like? Apparently pigs love it so it can't be bad :)

Time: 31st May 2012 6:49pm

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Original Post was last edited: 31st May 2012 6:51pm
About the Author MaryT
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snottiegobble says...
Mary, they can be eaten raw in salads or cooked like spuds! They look like large multicoloured witchety grubs, pink purple yellow & white segmented skin & taste of a mixture of apple, pumpkin & potato mostly with yellow flesh, but there are other varieties emerging!
A colourful meal for us included ocas, carrot, pumpkin, broccoli, japanese turnip, & Purple Congo spuds ( mashed).
Cannot get the latter here probably due to their overwhelming desire to live & resprout no matter what!!

Time: 31st May 2012 7:04pm

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About the Author snottiegobble
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MaryT says...
Oca sounds nice; sg. Wonder why it's not sold in shops? I can't really grow root crops due to lack of space - already I have sweet pototo and yam and taro and shallots (what am I doing!?)

Time: 31st May 2012 7:44pm

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About the Author MaryT
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Mike says...
SG the purple congos are in rusty's sometimes and probably come from the atherton tablelands.It seems purple is a popular colour in tubers and I should have thrown a purple flashed yam in as well.
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Time: 31st May 2012 8:05pm

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