Photo by Melody

PlantFiles: Galinsoga, Quickweed, Pittsburgh Pest, Shaggy Soldier
Galinsoga quadriradiata

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Galinsoga (gal-in-SOH-guh) (Info)
Species: quadriradiata

Synonym:Galinsoga aristulata
Synonym:Galinsoga bicolorata
Synonym:Galinsoga caracasana
Synonym:Galinsoga parviflora var. hispida


6-12 in. (15-30 cm)
12-18 in. (30-45 cm)

Unknown - Tell us

USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)
USDA Zone 8a: to -12.2 C (10 F)
USDA Zone 8b: to -9.4 C (15 F)

Sun Exposure:
Unknown - Tell us

Unknown - Tell us

Bloom Color:
White/Near White

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter


Other details:
Unknown - Tell us

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:

By Sherlock_Holmes
Thumbnail #1 of Galinsoga quadriradiata by Sherlock_Holmes


No positives
1 neutral
1 negative

Gardeners' Notes:

Negative Malus2006 On Aug 7, 2009, Malus2006 from Coon Rapids, MN (Zone 4a) wrote:

This hated weed will grow in a wide range of zones, reseed itself rapidly and even coming up from dormant seeds. This is on my list of impossible to get rid of weeds even thought it is easy to pull due to its shallow roots. Beads of water often gather on its leaves during early mornings.

Neutral Sherlock_Holmes On Jun 25, 2006, Sherlock_Holmes from Millersburg, PA (Zone 6a) wrote:

Many would consider this to be a nasty invasive garden pest, and in fact, it is. I use to welcome it, until I learned how easily it propagates itself. It started coming up in all of my pots.

I will still tout it as a Wild Edible Plant, nevertheless. Here is some information on it from The Encyclopedia of Edible Plants of North America by Francois Couplan, Ph.D. This pertains to all the Galinsogas of the Americas and G. quadriradiata is very closely related to G. parviflora. In fact, it's difficult to tell them apart at a glance.

"When young, G. parviflora - naturalized from tropical America - is eaten as a cooked vegetable in Southeastern Asia where the plant has been introduced.

Named "guasca" in Quechua, it has been used as food in the Andes since the time of the Incas. It is cultivated along with corn and sold in markets. The whole plant is eaten and its flavor is very good. Cooked with chicken and potatoes, it forms the basis of the Bolivian national dish, "agiaco."

G. cilita is edible and has a pleasant flavor as well."

The following is from Edible Wild Plants: Eastern / Central North America by Lee Allen Peterson.

"Use: Cooked Green. Excellent boiled for 10-15 minutes and served with butter or vinegar."


This plant has been said to grow in the following regions:

Minneapolis, Minnesota
Millersburg, Pennsylvania

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