Penstemon 'Sweet Grapes'Penstemon 'Sweet Grapes'

Penstemon ‘Sweet Grapes’


This plant is no longer for sale directly from TERRA NOVA® Nurseries. However, it may still be available through one of our Licensees or Retail Sources.


A new color out of the same breeding as 'Pink Chablis' with low, dense, glossy growth. It enjoys numerous lavender purple flower spikes, which will re-bloom when spent flowers are removed.

USDA Hardiness Zone(s): 7-9
Size (HT/W/FL HT): 6″ / 18″ / 13″
Exposure: Full Sun
Bloom Time(s): June, July, August, September, October

SKU: PENSWEGRA Categories: ,
Common Name Penstemon
Family Scrophulariaceae
Genus Penstemon
species --
Plant Type Perennial
US Patent # PP13549
EU Grant # --
Bloom Time June, July, August, September, October
Flower Color Purple
Foliage Color Green
Dormancy Winter
Exposure Full Sun
Growth Habit Clumping
Growth Rate Fast
Hardiness Zone 3, 4, 5, 6, 7, 8, 9
How Different? Purple flowers, taller than 'Crushed Grapes'.
Landscape Value Mixed beds, sun garden, cottage garden, bank.
Most Active Growing Season Spring
Persistence Evergreen
Size (HT/W/FL HT) 6" / 18" / 13"
Soil (Garden) Average, well drained.
Water (Garden) Average
Special Uses Cut Flower, Deep South, Deer Resistant, Hummingbird Attractor, Pollinator Attractor
Comments This plant should have gravel mulch at the crown to protect from crown rot. Over watering or over-fertilizing will cause death.
Water (Greenhouse) Dry completely between waterings.
EC 1.8 – 2.2
pH 5.5 – 7.0
Fertility Needs 150 – 200 ppm
Notes Growing-on temps- 65°F-75°F / day & 60°F-65°F /nights. Vernalization does not impact flowering.
Finish Time to 4″ 5 – 6 weeks
Finish Time to Gallon
Day Length for Flowering Day Neutral
Penstemon 'Sweet Grapes' - Product Profile
Penstemon 'Sweet Grapes' - Growing Recipe

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Please credit TERRA NOVA® Nurseries in the following manner:
Photo(s) courtesy of TERRA NOVA® Nurseries, Inc.

Penstemon 'Sweet Grapes'Download Penstemon 'Sweet Grapes'Download
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