Vine weevil grub

How much can a single grub eat?
I discovered a rootless geum. When I turned out the pot, there was only one grub. Was he voracious or have the others moved on?

 

Hi

didnt realise vine weevil liked geums , slowly over the past years I just don’t replace what they like anymore.

I think ? Too early for them to hatch out so , nothing else to eat yes it ate it all

 

I lost over 20 different forms of Geum to Vine weevil so yes they definitely like them And one is enough!

 

I too can testify to the vine weevil scourge affecting geums. However, I find that if spotted soon enough, the rhizomatous type roots allow them to recover quickly and regrow. I split an affected plant into much smaller ‘plantlets’, give them a good root wash and replant. They will sulk for a day or two but then come round. You generally get a bonus of many more plants too!

 

If you want more vine weevil can you successfully divide them?

 

where there is one there is likely dozens as the vine weevil lays many many eggs.





look at them go! busy b*stards.


no wonder they like guem as our native ones roots taste like cloves and are quite fleshy.

we had vine weevils kill a large potted cammelia once, just keeled over dead one day. ah well. dont think much can be done about them beyond attracting birds

 

Even more info for you. All vine weevils are female. There are no male ones.

 

So I posted this photo on here, but don’t remember what thread it was. For those of you who said it was vine weevil, you right. I took both my rhododendrons out of the pots and noticed all the feeder roots gone, then saw a couple of the blighters.

I had the same the year before with a couple died. So is my rhododendron too far gone to save. If so I will purchase a couple more from Lidls as they are lovely plants, but have to make sure the same thing doesn’t happen again. I have heard of using nematodes, is this a good way to go?

 

@GreenFingeredPete I use Provado vine weevil killer on plant pots and it's good. It may be called Provanto now, but I still have my old bottle. It's a milky white liquid that you dilute and drench pots with. It does work.

I think you need to get some new rhodies.

 

Worth trying nematodes if you repot it, they'll clean up any grubs still lurking in the compost. Provado works well too like cactus_girl says but the nematodes are good if you want to avoid the chemicals. I'd get fresh compost in there either way, the old stuff is probably riddled with eggs by now.

 

Hi

so annoying with shrubs in pots , I use a inch of gravel,slate on top of the soil in pots and havnt had any vine weevil in the pots since using

 

I also use Provado but I clean all plants of grubs ( the birds like them ) and then plant the viable ones in pots and water them with the dilute Provado. Depending on what the plants are, they either stay in their pots or go back in the ground after a couple of weeks.
The worst thing is that unless you catch them actually laying their eggs, you often don't find out until the grubs have eaten into the roots

 

Certain plants that I overwinter in pots get the Provado treatment as a matter of course around september time.
It also seems to deter other winter pests such as scale insect and mealy bugs, possibly aphids as well.

 

Anyway I went to a garden centre today as I wanted a rambling rose. I noticed their rhododendron for sale for £40 each, so I went to Lidl and bought 2 for £8.99 each.

Anyway the vine weevils haven’t touched my strawberry plants, which are near my rhododendron which is strange.

 

I see this Provando product on Amazon, but not sure if it is suitable and kill off vine weevil?

https://www.amazon.co.uk/Concentrat...d2lkZ2V0TmFtZT1zcF9zZWFyY2hfdGhlbWF0aWM&psc=1

If I did buy this, do I only apply it once in late September?