Pollinator recommendations

I'm fairly new to gardening and would like your advice please. I have a border to a lawn 5 metres long that runs north/south on the west side of a tall beech hedge, so only getting sun after midday. I want to fill this border with colourful pollinating plants. I want these to put on a good show asap and through the summer. Your suggestions please.
Trying to bring more wildlife into the garden.
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Pollinators are flowers, single flowers or semi-doubles will let bees get to the pollen, fully double flowers make it difficult for bees to get to the pollen.
Great pollinators in my garden include
Veronicastrum - so overrun with bees the tops bend and the bees even seems to sleep on the flowers.
Cotoneaster - in summer there are so many bees on the flowers it sounds like an electricity sub-station
Agastache, salvias, sunflowers, heliopsis, helianthium - there's an almost endless list depending on what you want from your garden
Wisdom is not putting it in a fruit salad.
Here is a photo of the area mentioned, looking very boring at the moment. I will cut out a strip of turf in front of the beech hedge and want to fill this area with insect, bee and butterfly attracting plants up to about a metre high. This area will be about 5 to 6 metres long and extending half a metre or so in front of the hedge. This strip at the end of the garden runs north to south so only gets sun in the afternoon. A variety of perrenials, annuals or both, whatever is best to bring the garden to life and makes it more interesting to look at. I have other areas in the garden that get more sun where I have already planted RHS recommended pollinator attracting plants. This coming weekend I plan to install a small wildlife pond and bog garden.
Have a look here - https://www.rhs.org.uk/science/conservation-biodiversity/wildlife/plants-for-pollinators and then look further on the RHS site for more info on the individual plants listed to see which will suit your conditions best.