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Nov 26, 2013 10:48 AM CST
|what is happening to the lower leaves of my plant they are turning yellow they are in my alpine house and getting plenty of fresh air|
Nov 26, 2013 11:12 AM CST
| to ATP!
It would be helpful if you could post a photo.
Confidence is that feeling you have right before you do something really stupid.
Nov 27, 2013 9:07 AM CST
|Welcome to All Things Plants from me, too!
Not all Draba species are evergreen. Yours might be going through its natural wintering cycle. Or it could be drying out and adapting to the paucity of water. During winters in its native habitat, it would likely be covered with snow at 12,000ft, even in Yunnan. Is this the first winter you have had it (so can you compare it to other years)? It is difficult to tell without any other information.
What region are you gardening in?
What temperatures is the draba exposed to in the alpine house?
How are these temperatures compared to outside?
Does it still receive direct sun, or is it shaded?
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