Hayfield Tarweed (Hemizonia Congesta) is a annual herb in the Asteraceae family with easy care difficulty. It requires low watering and full sun light in USDA hardiness zones 7-10. This plant is safe for cats and dogs.

Hemizonia congesta is an annual herb native to California and parts of western North America, known commonly as hayfield tarweed.

Hayfield Tarweed

Hayfield Tarweed

Hemizonia Congesta

Hemizonia congesta is an annual herb native to California and parts of western North America, known commonly as hayfield tarweed.

Quick Facts

Type
herb
Lifecycle
annual
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun
Hardiness Zones
7-10

Safety

🐕
Pet Safe
👶
Child Safe
Non-Toxic

Growing Conditions

Soil Types:sandy, loamy, gravelly
Indoor:No
Outdoor:Yes
Garden Use:groundcover, pollinator support, erosion control

Care Calendar

Monthly care tasks for Hayfield Tarweed

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Hayfield Tarweed
Hayfield Tarweed detail

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Taxonomy

Family:Asteraceae
Genus:Hemizonia