Penstemon Species, Beard Tongue, Garden Bells, Hartweg’s Beardtongue, Pride of the Mountain

Penstemonhartwegii

Genus
Penstemon (PEN-stem-on)
Species
hartwegii (hart-WEG-ee-eye)
Synonym
Sun Exposure
Sun to Partial Shade
Foliage
Herbaceous
Height
12-18 in. (30-45 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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)
Bloom Color
Pink
Red
Lavender
White/Near White
Bloom Time
Mid Spring
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter
Blooms repeatedly
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
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From seed; direct sow outdoors in fall
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

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

Duarte, California

Owosso, Michigan

Kalama, Washington

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Gardener's Notes:

1
positive
0
neutral
0
negative
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B
Cochrane, ON (Zone 2b) | January 2005 | positive

I grow this as an annual every year. It makes an impressive display in late summer when a lot of my other annuals & perennials are pretty...Read More

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