Is this typical of this heirloom?

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No, not at all typical and I've grown it many times since I was the person who introduced it to folks, originally with an SSE listing, along with Red Barn, Great Divide and Mule Team, which were all bred at the same time by Joe Bratka's father.

Is there anything different about where you have those plants or how they are being treated?

It isn't at all unusual to see curled leaves b'c they are usually the result of stress of one kind of another. And since different varieties can handle stress differently I wouldn't be all that worried about it/

Carolyn

Carolyn

i think you are right about the stress- my soil is much drier than it should be but the box cars are definitely more stressed appearing than any other plant. they are planted separately and all the plants are underwatered (so it appears) so all the conditions are the same. i hope to rectify it by normalizing the watering. thanks