There is no blue in the sky but there some blue on the ground. Although the Siberian Squill is now considered to be an invasive species after being brought to this country as an ornamental and it is hard to eradicate so the bulb has spread rapidly. It very hardy and cold tolerant, and is left untouched by critters from voles to deer.
Sea of Blue
It might be an invasive species but it’s pretty and cheery.