You can and should go ahead and thin this time of year. Remove weak stems. It's a great time to wire juniper.
Wiring helps with backbudding by exposing the interior to wire the sun.
My comment that "I have already thinned for the year", doesn't mean that I wouldn't thin again if the tree needs it, it means that I've already done it.
I usually do it twice a year on my refined juniper. Once in spring, I thin more. The second thinning in fall is to keep it even everywhere.
Wiring helps with backbudding by exposing the interior to wire the sun.
My comment that "I have already thinned for the year", doesn't mean that I wouldn't thin again if the tree needs it, it means that I've already done it.
I usually do it twice a year on my refined juniper. Once in spring, I thin more. The second thinning in fall is to keep it even everywhere.