My LSU Purple broke dormancy last month in the crawlspace of the house. Celeste and Chicago Hardy stayed dormant. So I put the LSU under my grow lights I use for starting seeds. The light is an AC Infinity with variable intensity. Cranked up to 100%, it seems to be keeping the internodes close along with the morning to midday sun.
It will go in the ground for good in late April after suitable harding off once any danger of frost is gone
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