Centromadia pungens

$1.82$7.30

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Common tarweed

Common tarweed/spikeweed is an annual herb in the sunflower family that can grow up to 4 ft. tall.

It produces showy arrays of yellow flower heads throughout the entire summer, and is one of the few species in its habitat that flowers so late in the season.

This species naturally grows in grassy, wet, marshy places, so it’s a good option for an area with slow draining soil, standing water, or container gardening. It pairs well with Grindelia and Hemizonia species. Common tarweed is a host plant of the Spotted Straw Sun Moth and is commonly used in Bee gardens.

Lifeform: Annual

Sun: Full Sun

Water: Light, Moderate

Soil: Clay, Loam

Other: Attracts Bees, Attracts Butterflies

Ecological Value

The flowers attract many beneficial insects.

Container

D-16-O, 4", 4"S, D-16

Historical Uses

Seeds have been an important source of food.

Distribution

It is native to northern Baja California and the western United States

Elevation

0 to 5315 ft

Habitat

Grassy, wet places, marshes.