Thanks for pics. Sorry but that is not Cornus racemosa. The shape of your leaf doesn't match description. Your leaves are fat and wide. Quote link below. "Leaves are simple and opposite, 2 to 3½ inches long, ¾ to 1¾ inches
wide, lance-elliptic, the tip tapered to a long, slender point,"
Impossible to say what Cornus it is from your 2 pics. Does it have flowers /berries. That is one very large shrub...too big to spray with chemicals. Suggest you cut it down to a stump and try to dig the stump out.
Don’t be sorry - thank you for taking time to check & assist me!
It does flower - white/cream & to my eye similar to Elderflowers & at a similar time (thought it might be an Elderflower until I saw leaves weren’t right) Followed by dark purple berries. Tree/shrub has clearly been cut before but it is very vigorous! I was hoping to cut & dig as much as possible & then spray anything that appears that I can’t access to dig up.
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Sorry but that is not Cornus racemosa.
The shape of your leaf doesn't match description.
Your leaves are fat and wide.
Quote link below.
"Leaves are simple and opposite, 2 to 3½ inches long, ¾ to 1¾ inches wide, lance-elliptic, the tip tapered to a long, slender point,"
https://www.minnesotawildflowers.info/shrub/gray-dogwood
"Leaves simple, opposite, 5-10 cm long, half as wide, narrow-elliptic,"
https://landscapeplants.oregonstate.edu/plants/cornus-racemosa
"As a latish flowering shrub this cornel has much to recommend it, for it is usually laden with blossom shortly after midsummer."
Read more below
http://treesandshrubsonline.org/articles/cornus/cornus-racemosa/
Impossible to say what Cornus it is from your 2 pics.
Does it have flowers /berries.
That is one very large shrub...too big to spray with chemicals.
Suggest you cut it down to a stump and try to dig the stump out.
It does flower - white/cream & to my eye similar to Elderflowers & at a similar time (thought it might be an Elderflower until I saw leaves weren’t right) Followed by dark purple berries. Tree/shrub has clearly been cut before but it is very vigorous! I was hoping to cut & dig as much as possible & then spray anything that appears that I can’t access to dig up.