Spring garden flowers

The genus Narcissi covers a wide range of what I call Daffodils. Small,large white, yellow, different colour centres they all are coming good in the garden now. This makes me think their growth is governed by length of daylight hours rather than soil temperatures as we have enjoyed a very mild winter? The more observant will have noticed I have squeezed in our first Snakes head  Fritillaria as well. Busy day so emergency garden blip is the result.