Dahlia Tubers 30-Day Update - May 2026
In mid-April, I began unwrapping, dividing and potting-up my dahlia tubers . And, I ended up with more than 90 one-gallon nursery pots of tubers. Were all of them viable? I wasn't sure. But, today, I am feeling a higher-degree of confidence in what the viability-rate looks like. By early May, many of them were sprouting, but some still lagged behind and didn't get started. I tried to get a good division that included a body, a neck and some portion of the crown. Turns out, I didn't get it perfect, but did pretty well. I recently moved the tubers up out of the basement window wells to the screened porch. Below is a look at the layout showing more than 80 viable dahlias. #6 on my 2026 to-do list was to "Go even Bigger on Dahlias" . I'd say that I can cross that one off my list: Some are barely moving like this one below with a tiny bit of green foliage tipping through the potting mix: While others are more than a foot tall like t...