I have cut my lavenders back, but not into brown stems without leaves, more like the red ring in the photo. If I lived in the north I would only cut the dead flower stems off and leave the rest for winter protection then prune in the spring.
I've cut my salvia nemorosas in half to stop them flopping but also to leave some protection. I will cut them down when the daffodils start flowering. I prune the shrubby salvias in spring.
Dordogne and Norfolk. Clay in Dordogne, sandy in Norfolk.
I'm thinking cutting the dead flowers off the lavender is not just a cosmetic thing, but it is good for the plant itself ...
From checking online images, I think mine are salvia nemorosas too, and mine flopped! I'm guessing you cut them in half vertically, chopping the tops off so they are not so heavy.
I've found nemorosa to be more resilient in winter than certain other salvias I grow (but I'm in a mild part of the country). I haven't had any problems just cutting them right back to stumps and leaving them - no special protection.
Like buzy-lizzie says, leave the lavender until April, @Pink678 I used to cut lavender in Autumn ( mid September) but they always died. Sinceleaving them until April, they survived frost and snow.
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I've cut my salvia nemorosas in half to stop them flopping but also to leave some protection. I will cut them down when the daffodils start flowering. I prune the shrubby salvias in spring.
I used to cut lavender in Autumn ( mid September) but they always died. Sinceleaving them until April, they survived frost and snow.
I ♥ my garden.