Garden Q&A: What early-blooming perennials attract pollinators in spring?

Whether you're a gardening beginner or expert, Irish Examiner columnist Peter Dowdall has the answer to your questions 

Spring-flowering bulbs are good for pollinators. You should be able to get these in garden centres now as pot-grown plants, though it's more cost-effective to wait until autumn and plant them as bulbs, writes Peter Dowdall.

Question

Which early-flowering perennials should I plant now to attract pollinators in spring?