Penstemon, Beard Tongue, Beardtongue, Pride of the Mountain 'Blackbird'

Penstemon

Genus
Penstemon (PEN-stem-on)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Smooth
Height
18-24 in. (45-60 cm)
Spacing
15-18 in. (38-45 cm)
18-24 in. (45-60 cm)
Hardiness
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)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color
Blue-Violet
Medium Purple
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Propagation Methods
By dividing the rootball
From softwood cuttings
From semi-hardwood cuttings
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

This plant is said to grow outdoors in the following regions:

Redwood City, California

Seattle, Washington

Vancouver, Washington

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Gardener's Notes:

2
positives
0
neutral
0
negative
Sort By:
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B
Rancho Santa Rita, TX (Zone 8a) | July 2009 | positive

Slender dark burgundy flowers bloom all summer on reddish stems. A knockout for the sunny border. Hummingbirds love the masses of small r...Read More

J
Vancouver, WA (Zone 8b) | September 2006 | positive

A very lovely dark penstemon, and one that mixes well with many other plants due to its color......a gorgeous dark burgundy/maroon/purple...Read More

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