Purple dead-nettle, native of Europe & Asia and widespread throughout North America.
Generally a weed that can grow about anywhere. Just found out the name from 
It's in the Mint family and grows in early Spring in clusters. Gets it's name by resembling stinging nettle but with no sting.
The whole plant is edible with a mild somewhat floral grassy flavor.
Despite being in the Mint family is not mint flavored, is used in salads, soups or made into a tea.Purple dead-nettle is very nutritious. High in vitamin C, along with iron and fiber, while the seeds contain powerful antioxidants.
Medicinal benefits, anti-inflammatory, antibacterial and antifungal. Used by allergy suffers.
Being one of the first plants to flower, they are loved by Bees.
Close-ups of the flowering part in my backyard....
Bottom picture taken from
sources...