Posted: 26/04/2017 at 19:28
My first reaction, having just planted a bare root rose last week, was to suggest that yours should be planted asap. But looking at the soil in the pic, and taking account of your description of it, I think I would be tempted to pot them up - making sure that the pots are large enough not to compromise the roots, and making sure that they were kept out of intense, direct sunlight, and were kept well watered. I wouldn't keep them in a conservatory; they are outdoor plants, and the over-heating that can occur in a conservatory will not help them a bit. Outdoors (sheltered) would be preferable, I think.
When to plant into the ground I am less sure; perhaps it would be best to wait until the plants become dormant (autumn) rather than risk them in the forthcoming summer. But there will be others better able to comment than I can. And, of course, the soil structure will be benefit from some medium that improves it - such as well rotted manure.
So - maybe not a lot of help, but I hope a bit of a guide in relation to difficult growing conditions that you face. At least you have done the right thing by getting the roots into water in the short term, rather than risking them drying out! And glyphosate does not affect the soil - it is a plant-contact weed killer, so the soil will not have been compromised by your using it, I believe.