Plant Description

Grindelia integrifolia

A perennial with branched stems and, from early summer to fall, has yellow flower heads. It grows between 8 inches and 3 feet tall.

Willamette Valley Gum Weed

A flower with many thin yellow petals, around a darker yellow center.

PLANT CHARACTERISTICS

Characteristic Plant Information
Height Up to 3 ft
Growth Rate Moderate
Life Span Perennial
Moisture Use High winter water use, light summer water use
Drought Tolerance Summer drought tolerant
Deer Browse No
Wildlife Value Important late-season nectar and pollen source
Resprout Ability Regrows vigorously after mowing
Hardiness USDA Zones 6-9
Bloom Time June-November
Bloom Color Yellow
Habitat Type Meadows, wetland edges

SCIENTIFIC CLASSIFICATION

Classification Scientific Name
Kingdom Plantae
Clade Angiosperms
Clade Eudicots
Order Asterales
Family Asteraceae
Genus Grindelia
Species G. integrifolia

Planting information

Sun

Full sun to partial shade

Soil

Almost any; tolerates heavy clay

Special Uses

Offers late season food source for pollinators

Ease of Care

Easy

PLANT IMAGES