Come! Ms. Dunlap will give two talks at the CNPS Conservation Conference Feb. 1-3 in LA!

One regarding a database of 3,700 nectar plants (& how to collect images to benefit pollinators), and the other regarding
a prototypical key incorporating a novel plant identification system that produced an order of magnitude improvement.

conference.cnps.org

Grindelia hirsutula

Family: Asteraceae

Common names: GUM PLANT, PACIFIC GRINDELIA, ROSINWEED, TARWEED

Synonym: Grindelia stricta

Native to: California, Oregon

Plant

Type: perennial

Forms: clumping, erect

Max height: 3 feet

Max width: 2 feet

Flower

yellow

Leaf

green

Horticulture

Attracts wildlife: adult butterfly, specific butterfly species

Exposure: sun

Propagates by: seed

flowers in fall

flowers in summer

Soil types: average, poor

USDA Zones: zone 7 to 0 f, zone 8 to +10 f, zone 9 to +20 f

Temp. range: 0 to +30 °F

Water: moderate

  • Grindelia hirsutula 2
  • Grindelia hirsutula

Grindelia is a member of the Compositae (Aster) family with 88 species. The milky quality to the young blossoms lent this plant the common name GUMWEED. Grindelia camporum can grow to six feet tall.

Grindelia hirsutula is a yellow-flowering cultivated perennial that grows to 3'tall by 2' wide in Zones 7-9, and flowers in summer and fall. It can be grown from seed in average or poor soil. Grindelia hirsutula is native to California and Oregon and grows as either a perennial or a shrub. Other GUMWEEDS are ciliata, hirsutula, and squarrosa.

Grindelia appeals to Junonia coenia, COMMON BUCKEYE.

Junonia coenia