On Sat, 9 Feb 2019 17:30:43 -0500, Dave Smith
> wrote:

>On 2019-02-09 4:59 p.m., U.S. Janet B. wrote:
>>
>> After decades of service, my old rhubarb died. It used to produce
>> really broad stalks and lots of them
>> I replaced it a couple of years ago but all the new plant produced
>> were blossom stalks and a few skinny stalks.
>>
>> I ordered a new rhubarb yesterday. It promises to produce few or no
>> blossom stalks. It looks like it will produce nice broad stalks.
>> https://www.growerssolution.com/rhub...e-rhubarb.html
>> Until I started looking around online for rhubarb I didn't realize
>> that some rhubarb has a nasty habit of producing a lot of blossom
>> stalks. The blossom stalks steal all the plant energy and the stalks
>> themselves are throw aways.
>>
>
>I didn't think that it was possible to kill rhubarb, but I lost some
>thanks to a black walnut tree. I started over but it takes a couple
>years before those things start producing. I am afraid that the new
>location is starting to be affected by another nearby black walnut. The
>nearby black current and blueberries aren't producing at all.
>
>
>> I'm looking forward to a new crop in 2020. We enjoy rhubarb sauce,
>> pie and kuchen.
>
>Mine all goes to pies or coffee cakes. I found that all you need to do
>to freeze rhubarb is to stick it in a back and put it in the freezer,
>not sugar needed.
>

I assume that you are keeping all the black walnut leaves picked up?
That's about all you can do. I don't know if encroaching roots are
able to 'poison' the soil. Good luck with that.
Janet US