Welshonion

Moss!

Is the lawn shaded?  Or have you got a drainage problem?  Or cutting and not removing the cuttings can encourage moss.

Down among the chrysanthemums

Foxes probably put them there.

spears too fat

Most people prefer the fat spears, but cut them sooner and trim off the woody stem.

The very slim ones, or sprue are good for soup.

Identification required please

I'll start off. Number 1 is a peony.

Fruit Hedge for Exposed Site

I wouldn't call a blackthorn a fruit tree in the commonly understood way.  It makes a good stock-proof hedge, but you can grow it as a hedge, or a free-standing tree.  It does of course have nasty spines/thorns.

Blackcurrant and raspberry are not suitable for a hedge.  Raspberry needs pruning to the ground every year and blackcurrant would not grow well in a hedge.

You might be better growing conventional hedge species as a wind-break and growing fruit trees conventionally on the sheltered side.

Runner Beans.

If you cross them too low they may snap with the weight of beans hanging on the outside, and they will be vulnerable to strong wind.  The strongest construction is if they cross nearer the top with a wide-ish base.

Seakale

If you force a plant you must also allow it to grow to full size at the end of the cropping season or it will not produce well the next year.

Help to find Narrow Weeding Hoe.

Or look among her indoor's kitchen tools for something suitable.

Watermelon in the UK?

Bob Flowerdew would know the answer to this question.

Celeriac info

You may be lucky or it was just my incompetence, but I have never grown a celeriac larger than a very small tennis ball.  One of those vegetables I find it better to buy than grow.

Swifts