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Posted: May/23/2009 2:26 PM PST
Does anyone know what causes this? On some of my annuals, marigolds, dianthus & lobelia are the worst, when I transplant them outside, no matter how long I have hardened them off, the leaves will turn a dark burgundy color. The plants seem to go into shock and will not grow any new green leaves for 2-3 weeks. I have been gardening for 20 years and this happens every year to me. I have talked to many friends and they never have this happen. HELP please. We have such a short growing season in Anchorage that a 3 week delay is not very good! Renee