the union is where the rose is grafted onto a rootstock for vigour, it's the rootstock which gives suckers.
If the union is buried below ground, you're a lot less likely to have suckers, but folk ( MD for one ) used to say to plant them with the union above ground ( he's been told otherwise now )
If you Google it, you'll find out , with lots of photos.
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If you can see the growth "union", if it's coming below that, it's a sucker, above it, it's a new branch.
Sorry Hosta I'm being a div
what is. Union?
* a union
the union is where the rose is grafted onto a rootstock for vigour, it's the rootstock which gives suckers.
If the union is buried below ground, you're a lot less likely to have suckers, but folk ( MD for one ) used to say to plant them with the union above ground ( he's been told otherwise now )
If you Google it, you'll find out , with lots of photos.
Thank you x