@fizzyliz The Aubretia needs shearing to the ground them plenty of water. It looks like you still have a few Lavender flowers perhaps wait a little then deadhead removing stalks. I like the salvia just as it is with it's seed heads. Plants with lovely seed heads add another dimension to a border.
I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
Yes there are two ways to deal with Salvis Nemorosa. I have tried both. Cut back the second flush were disappointing but growing conditions do vary. I now leave then for the lovely shaped seed heads. A matter of preference.
I have worked as a Gardener for 24 years. My latest garden is a new build garden on heavy clay.
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I like the salvia just as it is with it's seed heads. Plants with lovely seed heads add another dimension to a border.
I would shear the aubretia as @GardenerSuze says. It will make new growth to flower next year and will stop it getting straggly.