Weeds Have Jobs – #5

Our weed this time is a much maligned weed that is actually a good food that foragers look for!

Chenopodium albus (Lambs quarters)

The name, Chenopodium, refers to the shape of the leaves – “goose foot.”  Lambs quarters grows where there is very low calcium and phosphorus, very high potassium and magnesium, high sulfur and copper, low humus, good drainage of the soil.

Lambs quarters is another edible, and is in the amaranth family of plants; the seeds are gathered and used similar to quinoa (a relative).  It is wind-pollinated and so it does not have showy flowers to attract pollinators.  But it is a food source for various insects, caterpillars and wildlife. It can grow to be nearly 2 feet tall, and is often removed from vegetable beds because it is considered a “weed.”

Recognize it? Now you know it’s not a weed, but can be an indicator of soil needs and a source of food.

Weeds Have Jobs #4

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!

Stellaria media – common chickweed

Weeds Have Jobs #3

Continuing our conversation about weeds I’m finding in my garden beds in Tulsa, Oklahoma…..

Lamium amplexicaule (henbit) is common and easy to identify.

This plant tells us the soil is low in calcium, has low porosity, low humus, and low bacteria. It can also indicate poor drainage and sandy soil (the two go together because sand doesn’t hold water very well!). Its job is to provide erosion control by its roots. It likes moist soil and often is in shady places.
Henbit is edible and was brought to the Americas for chickens to eat. But wild food foragers say you can eat all of the plant. It’s a member of the mint family, and has lovely purple flowers that bees love.

If you want to read more about weeds and their jobs, I love two great references: John Beeby’s Test Your Soil with Plants (Willits, CA: Ecology Action, 2013); and Jay McCaman’s Weeds and Why They Grow (Sand Lake, MI: Jay McCaman, 1994.