Prairie Willow, Upland Willow

Salix humilis

Family: Salicaceae (sal-i-KAY-see-ee) (Info)
Genus: Salix (SAL-iks) (Info)
Species: humilis (HEW-mil-is) (Info)

Category:

Shrubs

Water Requirements:

Unknown - Tell us

Sun Exposure:

Full Sun

Sun to Partial Shade

Foliage:

Grown for foliage

Deciduous

Foliage Color:

Unknown - Tell us

Height:

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

8-10 ft. (2.4-3 m)

Spacing:

36-48 in. (90-120 cm)

4-6 ft. (1.2-1.8 m)

6-8 ft. (1.8-2.4 m)

Hardiness:

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)

USDA Zone 6b: to -20.5 C (-5 F)

Where to Grow:

Unknown - Tell us

Danger:

Unknown - Tell us

Bloom Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Bloom Size:

Unknown - Tell us

Bloom Time:

Late Winter/Early Spring

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us

Regional

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

Lisle, Illinois

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jul 10, 2019, Rickwebb from Downingtown, PA wrote:

The Prairie Willow has a large native range from Nova Scotia to Manitoba, going fairly far north in Canada, to northeast Texas to northwest Florida found in both wet lowlands and dry uplands. Despite that, I've only seen one group of this species so far at the Dwarf Plant Collection of Morton Arboretum in northeast Illinois. Its hardiness zones go from 3 to 8. It is a shrub usually about 4 feet high, but a height range of 2 to 8 or even 10 feet is possible. Its leaves have a gray-green color, are whitened or downy beneath, have sort of wavy edges, and tend to be crowded at the ends of the twigs. It has a fibrous root system and is easy to transplant. I think it makes a good-looking low shrub. It is sold by some native plant nurseries.

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