Hayfield Tarweed (Hemizonia congesta ssp. luzulifolia) Login         


        Description
  • Height 4 in. - 2 ft.
  • CA Bloom Aug - Oct
  • Tarweeds give off a delicious tarry smell when they bloom in the fall.
  • They have many small, white, daisy-like flowers. Most other tarweeds have yellow flowers.
  • CA native
  • AKA Woodrush Tarweed
  • Aster Family (Asteraceae)



This is a composite flower, with central disc flowers that have purple anthers and white-petaled ray flowers.



Thin stems and narrow leaves are covered in hairs ending in glands that emit a tar-like resin.


This California native fills fields with white blooms in the fall, when native bees and other pollinators really need it.

   Photo Gallery (32 ) click any picture to enlarge
    

Hayfield Tarweed is found in grassy fields in the California Coast Range and in the Central Valley. The stem is spindly and thin, growing from a few ...
Because it blooms in the fall, Hayfield Tarweed is a boon to pollinators that continue to need nectar and pollen when other flowers have finished. Al ...
This plant is covered in hairs that have a gland at the end that emits a sticky, strong-smelling resin. If you walk through these plants in the fall, ...
In addition to oil-based tar glands, Hayfield Tarweed has water-based nectar glands to reward pollinators. Sugary nectar is particularly important ...
[[Composite flowers]] are combined in a head with dozens of central [[disc flowers]], surrounded with about half a dozen [[ray flowers]]. The centr ...
5 to 11 white [[ray flowers]] surround the central flowers. Each one has 3 petal-like [[lobes], with the center one narrower than the outside ones. ...