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'Rock Candy' Purple Penstemon
Latin Name:
Penstemon barbatus 'Novapenpin'
A tidy, compact clump of green foliage topped by upright spikes full of deep purple, bell-shaped flowers
Taxon ID#
63
MAINTENANCE
Maintenance Level:
Low
Min. USDA Hardiness Zone:
6
Sun Preference:
Full Sun
Water Preference:
L
Soil Preference:
Fertilizer Needs:
Recommended Mulch:
Family:
Scrophulariaceae
Origins:
Plant Type:
Herbaceous Plant, Perennial
Penstemon barbatus 'Novapenpin' Plant Patent #26701
Oregon native:
no
Western state native:
no
PLANT DESCRIPTION
Foliage Color:
Green
Foliage Description:
A tidy, compact clump of green lance-like leaves.
Fragrant:
no
Predominant flower color:
Purple
Flower Description:
Deep purple, bell-shaped flowers
Fall color:
no
Fall Color Description:
Winter Foliage:
Deciduous
Winter Interest:
no
Winter Interest Description:
Mature height:
12-18"
Mature spread:
12-18"
Growth rate:
Medium
LANDSCAPE APPLICATION
Deer Resistant:
no
Fire Resistant:
yes
Attracts Pollinators:
yes
Attracts Butterflies:
yes
Native Habitat:
Attracts Birds:
yes
Cut/Dried Flowers:
yes
Photo:
Used by Wildlife:
no
Hedge/Screen:
no
Swales:
no
Wildlife Use:
Border:
yes
Erosion Control:
no
Windbreak:
no
Cover Structures:
no
Ground Cover:
no
Provides Shade:
no
Rock Garden:
yes
Adds Texture/Movement:
no
First Bloom:
Jun
Last Bloom:
Jul
Ornamental Accent:
yes
Garden Observations:
SEASONAL CARE
Spring Care:
Blooms heavily in late spring, reblooming in late summer if lightly trimmed after the first flush.
Summer Care:
Remove spent flowering racemes to prolong bloom. Plants may be cut back to basal foliage after flowering to improve appearance of the planting.
Fall Care:
Winter Care:
Leave some stems for frost protection and mulch with straw in winter, if necessary.
Long Term Care:
Insect Pests:
Wildlife Pests:
Diseases:
The OSU Plant Clinic has found Phytophthora spp., Rhizoctonia spp., and Fusarium spp. associated with root rots of Penstemon spp. grown in Oregon. (https://pnwhandbooks.org/plantdisease/host-and-disease-descriptions?title=Penstemon-Root+Rot)
Environmental Problems:
Landscape Problems:
Care Comments:
Heat and drought tolerant. Penstemon are low maintenance. The main requirement for success is that they need to be planted in well-drained soil-they do not like to have wet feet or crowns. They do best in lean soil without any additional amendments.
RESOURCES
OSU Landscape Profile:
USDA Plants:
Calscape Database:
LBJ Native Plant Database:
Missouri Botanical Garden Database:
Monrovia Profile:
Alternate Source 1:
Alternate Source 2:
Source Comment:

George & Vickie Minor
Whistle Stop Farm & Flowers
Empire Stone
Instant Landscape
McPheeter's Turf
High Desert Farms Nursery Sales
Thank you!
Join an OSU Master Gardener managed community garden this summer!
Put your name in the lottery to get a plot at either Hollinshead's or Discovery Park's community garden.
More information for: Discovery Park Garden


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