Storing new plants before planting

[GatoradesDream]

I am having some raised beds built and they won't be ready for another 6 weeks or so.

I have a rough idea of what I'd like to plant in them and there are some reasonably priced specimens currently available online and at my local garden centre (mainly the evergreens I want). I'm quite price sensitive at the minute as I'm going to be needing to buy approx 30 decent sized shrubs/grasses etc. plus small trees.

My question is about timing. If I was to purchase them now could I store them in the pots they come in? Would frost be a problem? Should I store them in my garage (no light?), Outside? And watering? I'm a novice to new planting having previously lived in a house with a mature garden which I didn't change much over my years there.

I'm looking at things like rosemary, lavendar, euonymus, corydline etc. All of which will come potted. Also maybe some June Berry shrubs or small trees - I will probably again go for potted rather than bare root due to timing.

Thanks in advance for any help with this.

I posted a reply to this yesterday, but it seems to have disappeared!

So, briefly -

OK in pots outside.
Definitely not in garage - they need light.
They need to be moist not wet. Tip pots over to drain if they get too wet. For most of winter rain will give you as much water as you need.

Bare root can be heeled in - use a spade to open a slit in the ground and slide them into that, then close up the slit.

Thank you very much, off to order and hopefully keep alive!