Stellaria media (common chickweed)
Chickweed grows where there is a need for calcium, phosphorus, potassium, and manganese in the soil. It also indicates that the soil has high levels of magnesium and iron, and high sulfur and copper in the soil. It indicates that there is low porosity (the soil is tight).
Chickweed is another edible and is in the carnation family of plants. It also has a history as a medicinal herb for a variety of ailments. As the name implies, chickens like it.
The flowers are small, and star-like. It is a plant that attracts trichogramma wasps, that prey on tomato hornworms – a great natural insect predator for the garden!