Hi Aaron,

nice Yuccas! The first photo sure looks to be some form of east coast Yucca recurvifolia/gloriosa hybrid. By what I see, it's not the 'true' recurvifolia or gloriosa since it has mixed traits. I think I see an erect seed pod (potential nice hybrid seed inside!). The blooms start above the leaves too.

Erect seed pods = recurvifolia not gloriosa
Blooms starting above leaves = gloriosa not recurvifolia

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The last photos show nice Yucca aloifolias as far as I can tell. Great specimens.....I usually don't see them with cleaned up trunks.....nice look. These must be a zone 7a location? Or perhaps a very dry zone 6 location? Nice.

The last photos show nice Yucca aloifolias as far as I can tell. Great specimens.....I usually don't see them with cleaned up trunks.....nice look. These must be a zone 7a location? Or perhaps a very dry zone 6 location? Nice.

I thought they must have been aloifolia. They had a few of them around. This was after a cold winter and seen no burn on the plants. I so wanted a start from them.
Yes it was a zone 7 on the river and only 400elv. 😉

i agree with tim. 1st one gloriosa-recurvifolia. 2nd one aloifolia. i have 2 aloifolias in the garden planted last spring.now they are under the snow. before this cold it looked very well. we'll see what will left of them after the melting of a snow and in the spring time. aloifolia is the only yucca specie which can produce seeds without the yucca moth.

My guess is that your Aloifolia are history looking at your temps...

Never know though,they have obviously survived zero (F) temp in the Southeast U.S.

However the duration of your cold looks to be the prob.

Mine has seen single digits every winter(except this one-so far)and showed no signs of trauma.

In a warm enough climate they can grow 6'(from 1-2' tall plant)in a couple years.