"Altum" wrote in message
et...
I can't get pickerel weed to grow. I thought it was sturdy stuff. It
languished last year. I got a few stalks and a bloom but it wasn't growing
fast or well. I think I had it too deep, submerged about 8". this year I
moved it to about 5", and finally to where the water is at its roots. It's
put out little shoots but the first batch rotted and the current shoots are
about 4" tall and have stopped growing.

That is unusual. Mine can reach 3' tall with big blue flower spikes. I
plant mine either in plain clay soil topped with gravel or plain gravel.
It's smaller in gravel. Could it be the PH of your water? Ours is hard and
alkaline. It likes all day sun and does better in moving water (grows
taller).

It's in a pot of Schultz Aquatic Soil. The pot has holes in the bottom so
I put some weed cloth in it to hold the soil in. It's fertilized with a
water lily tablet. All my other plants are growing fine (gotta thin that
darned anacharis). What am I doing wrong?

I don't fertilize mine but do add 1 Tbsp of Potash per 1000g to the pond
water once a month.

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