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Grindelia Species, Curly-Cup Gumweed, Rosin Weed

Grindeliasquarrosa

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Family

Asteraceae (ass-ter-AY-see-ee)

Info

Genus

Grindelia (grin-DEL-lee-uh)

Info

Species

squarrosa (skwa-RO-suh)

Info

Synonym

Grindelia arguta

Grindelia nuda

Grindelia serrulata

Grindelia speciosa

Grindelia texana

Sun Exposure

Full Sun

Foliage

Herbaceous

Height

6-12 in. (15-30 cm)

12-18 in. (30-45 cm)

18-24 in. (45-60 cm)

24-36 in. (60-90 cm)

Spacing

18-24 in. (45-60 cm)

Hardiness

USDA Zone 3a: to -39.9 °C (-40 °F)

USDA Zone 3b: to -37.2 °C (-35 °F)

USDA Zone 4a: to -34.4 °C (-30 °F)

USDA Zone 4b: to -31.6 °C (-25 °F)

USDA Zone 5a: to -28.8 °C (-20 °F)

Danger

N/A

Bloom Color

Bright Yellow

Bloom Time

Mid Summer

Other Details

Gardener's Notes:

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Malus2006

Coon Rapids, MN (Zone 4a) | February 2008 | neutral

This very common plant is found in Minnesota - often dismissed as another yellow daisy. It blooms during the height of summer, July to Au...Read More

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Grindelia Species, Curly-Cup Gumweed, Rosin Weed

Grindeliasquarrosa

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