PlantFiles: Kalm's Hawkweed
Hieracium kalmii

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Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Hieracium (hi-er-uh-KEE-um) (Info)
Species: kalmii (KAL-mee-eye) (Info)

One vendor has this plant for sale.

Category:
Perennials

Height:
4-6 ft. (1.2-1.8 m)

Spacing:
36-48 in. (90-120 cm)

Hardiness:
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)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)

Sun Exposure:
Sun to Partial Shade

Danger:
Unknown - Tell us

Bloom Color:
Bright Yellow

Bloom Time:
Late Summer/Early Fall

Foliage:
Herbaceous

Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
Unknown - Tell us

Seed Collecting:
Unknown - Tell us

Click thumbnail
to view:
By RVWE

Thumbnail #1 of Hieracium kalmii by RVWE

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

Rating	Author	Comment
Positive	Molly0	On Aug 13, 2005, Molly0 from Pitman United States wrote: Plant aka Canada Hawkweed. Perennial. Native range: s. Labrador, PEI to Ontario, Michigan, Minnesota, and Wisconsin, south to Illinois, Ohio, Maine, New York,Pennsylvania & New Jersey. Its leaves are sharply toothed and up to 4" long decreasing in size toward the tip of the multiflowering stems. Flowers are 1" diameter. Give this one space. Is impressive on its own, however, would look good with Helenium autumnale 'Zimbelstern' - Sneezeweed. Blooms just about the same time, sun requirements are matched and height is alike.

Regional...

This plant has been said to grow in the following regions:

Frenchtown, New Jersey

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