Grindelia squarrosa (Curlycup Gumweed) reseeding biennial

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Common Name:  Curlycup Gumweed

Attracts:  Bees

Use:  Naturalizing

Light:  Full Sun to Part Sun

Hardiness Zone:  3 to 7   USDA Zone Map

Soils:  Dry 

Flower Time:  Mid July - Late September

Flower Color:  Yellow

Height:  .5' - 3'

Notes:  Grindelia squarrosa, Curlycup Gumweed, is a reseeding, clump-forming, biennial that has been introduced and naturalized throughout the northeast, while being native to the west.  However unattractive that all sounds, Curlycup Gumweed is super attractive to many of our local bees of "greatest conservation need", see below, so plant it for the bees and let it naturalize and do its thing, and really, it is a cute flower!!

Host plant of VT Bee Species of Greatest Conservation Need (SGCN):
Andrea canadensis (Canada Miner bee)
Bombus citrinus (Lemon Cuckoo Bumble bee)
Bombus pensylvanicus (American Bumble bee)
Bombus terricola (Yellow-Banded Bumble bee)
Colletes kincaidii (Kincaid's Cellophane bee)
Hoplitis albifrons (White-Fronted Small-Mason bee)
Stelis permaculata (Sixteen-Spotted Dark bee) 

Naturalized in Northeastern and Midwestern US, native to Western US:  Biota of North America Program (BONAP) – North American Plant Atlas (NAPA).