tree dahlias
William Aley via pbs (Tue, 12 Mar 2019 15:48:31 PDT)
I’ve was growing imperial dahlia in Silver Spring Maryland zone 7 with heavy compost and manure top dressing in a very protected NE corner of a brick house. I managed to keep them alive for 5 years. Two years ago I relocated to Washington NC, zone 8. The plants have grown well reaching 8’ the first two years. I repopulate my tubers by cutting the stems and burying two nodes into the compost and dress with pine needles. I had early emergence in February but a last chill knocked them back some. Last years canes have sprouted and we appear to be past our cold weather. Taking end of year cuttings and over wintering in a warm area helps propane for me.
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Will Aley
Washington, NC
On Mar 12, 2019, at 2:46 PM, Kathleen Sayce <kathleen.sayce@gmail.com> wrote:
A horticulturist friend and I were discussing the tall group of Dahlia species, often called tree dahlias, last week, and wondering about where to get seeds.
I grew Dahlia imperialis, seed from Thompson and Morgan, and lost it during an ice storm in 1985—my own fault, I did not dig the tubers up in November because it was flowering, and in December came the snow and ice.
Dahlia campanulata might be a better species to try, flowers earlier in fall, and isn’t as tall. Can anyone on the list recommend a source for seeds?
Kathleen
PNW coast
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