Waterton Mock Orange
Philadelphus lewisii 'Waterton'

Family: Hydrangeaceae (hy-drain-jee-AY-see-ee) (Info)
Genus: Philadelphus (fil-uh-DEL-fuss) (Info)
Species: lewisii (lew-ISS-ee-eye) (Info)
Cultivar: Waterton
Hybridized by Alberta Horticultural Research Station, Brooks, Alberta, Canada

Category:

Shrubs

Foliage Color:

Unknown - Tell us

Bloom Characteristics:

This plant is attractive to bees, butterflies and/or birds

Flowers are fragrant

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Where to Grow:

Unknown - Tell us

Height:

4-6 ft. (1.2-1.8 m)

Spacing:

4-6 ft. (1.2-1.8 m)

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)

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)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Sun to Partial Shade

Light Shade

Danger:

Unknown - Tell us

Bloom Color:

White/Near White

Bloom Time:

Mid Summer

Foliage:

Deciduous

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

7.9 to 8.5 (alkaline)

Patent Information:

Non-patented

Propagation Methods:

From softwood cuttings

From hardwood cuttings

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Oct 10, 2012, manxy from Edmonton
Canada wrote:

This plant was discovered by Augustus Griffin in 1933 growing in what is now the Waterton National Park of Canada. On the east side of the Rocky Mountains. So is a selection from the native plants in the area.