My friend and great gardener RB brought these to me this afternoon; I could not resist photographing them. I knew right away what they were, but I could not believe their extraordinary size. They are hollow stalks; this picture I took of the interior wall.
I have never seen dahlia stalks grow to this size-neither had RB. He said this was his best year ever growing dahlias-and he has been growing them 20 years. He puts his tubers in the ground in a sheltered spot in late June. All he grows in this plot of land is dahlias-mostly the very tall plants with dinnerplate size flowers. In August they are good; in September they are spectacular. Not having had a really hard frost even yet, he had flowers all of October. And plants every bit of 8 feet tall. I cannot imagine what a job it will be digging the tubers this year. He cuts the stems very tall, and leaves them for a week or so before digging. The flowers on these giant dahlias were similarly overscaled. These stalks speak to his skill as a gardener, and how a plant can more than thrive given a favorable season and great culture. Very impressive, RB!