Sweet Peas

The other day I wrote about pinching-out Sweet Peas, and today I want to show you the effect it had. When you pinch out the growing tip of the plant, it diverts its energy into producing side-shoots lower down, like this:

Some of the plants are now quite bushy, which is apparently what I should be trying to achieve.

The theory is that if a Sweet Pea plant has a number of shorter, sturdier stems (as opposed to one tall thin one), it will produce more flowers. I'm looking forward to that!
I have about 36 plants I think, so by rights I should be inundated with flowers. I just need to provide them with the right growing-space. I'm still contemplating how to do this...

This is the first, smaller, batch.  The second batch has 20 plants.

For the record, my Sweet Peas are "Fragrantissima" (sowed 1 Dec)  and "Spencer Mixed" (sowed 12 Jan).
Who else has Sweet Peas on the go at present?