Advice for a novice...

[Potstubsdustbins]

If you could add your whereabouts to your profile it would help tailor the advise given. A general location will do something like mine Nottingham

[Bill HH]

One further point, don't be put off by failures, it is how you learn, and it never stops.

[starloc]

For more fitting in a small space, plant things like marketmore cucumbers and Waltham butternut squash round the edges, they will trail out and you can train the stem around the veg box

[gregorg]

Thank you for all the information!!
We're in Hertford, though I can't see where to update this on my profile.
Enjoying it so far, regardless of the results to come...! 😋