Re: Cold hardy
The corm MAY have some extra hardiness but this will be confined to the part of it that came with the pup,the new corm will be adapted to the new growing environment so there shouldnt be any lasting benefits or disadvantages. A plant grown in too cold a climate adapt within its capabilities,as Michael said,it uses all its availiable mechanisms to produce hardy tissue to survive where its growing. That is restricted genetically as it can only addpt using mechanisms it has and cannot ''invent'' new ones. Random mutations can happen during puping,etc and these MAY give random benefits including extra cold hardiness but the chance for that isnt great. Such pups or parts of the clump would be obviously more cold tolerant but i dont think the whole clump would become more cold tolerant or anything,just the just that mutated. That is pretty rare though so chance are even a 30year old clump doesnt have a more cold tolerant part than another growing in South Fla unless it shows obvious cold tolerance difference compared to most of the clump.
With seeding plants its different though. Seeds from plants growing in a marginal environment tend to give hardier plants and as the generations pass,cold hardiness becomes greater by a tiny bit for each generation each time. So seeds of plants growing in a marginal environment do give an extra bit of cold hardiness compared to seeds from plants in ideal places.
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