Hmm. The leaves dying on the lowest part of the branches is what lavenders do naturally over winter so I think you should just pull them off when the weather improves. As lavender doesn't usually sprout new growth from brown wood, I'm not convinced it is a suitable plant for "lollypopping" and I replace mine every few years when they get too leggy. I would wait until the frosts have passed then prune each branch tip back, leaving 2 or 3 pairs of leaves, only cutting into material which is green, never back into brown. That should get it to bush out and help hide the bare branches in the centre. PS: there's some cultural information here: https://www.hgtv.com/outdoors/flowers-and-plants/herbs/lavender-trees
A trowel in the hand is worth a thousand lost under a bush.
Hi Paul B3, this one looks like Lavandula Dentata, much more tender than the usual Lavenders seen.
This one has been hit by damp and harsh frost. They cannot tolerate long periods of frost. Not a plant for the recent harsh weather we had. It will need pruning and re-shaping back as soon as it's more milder.
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PS: there's some cultural information here:
https://www.hgtv.com/outdoors/flowers-and-plants/herbs/lavender-trees
This one has been hit by damp and harsh frost. They cannot tolerate long periods of frost. Not a plant for the recent harsh weather we had. It will need pruning and re-shaping back as soon as it's more milder.
My mistake ; I can honestly say it's not a plant I've come across . Will remember that one now !
Thanks again for the info !