Oenothera, Evening Primrose 'Silver Blade'

Oenotheramacrocarpa subsp. incana

Family
Onagraceae (on-uh-GRAY-see-ee)
Genus
Oenothera (ee-no-THEE-ruh)
Synonym
Sun Exposure
Full Sun
Height
under 6 in. (15 cm)
Spacing
12-15 in. (30-38 cm)
Hardiness
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)
Danger
N/A
Bloom Color
Bright Yellow
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter
Other Details
Category
Alpines and Rock Gardens
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Bronze
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Seed Collecting
Regional

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

Aurora, Colorado

Fort Collins, Colorado

Albuquerque, New Mexico

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Gardener's Notes:

3
positives
0
neutral
0
negative
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C
ROSLINDALE, MA | April 2015 | positive

Looks great mixed with Coreopsis 'Moonbeam'. Exceptionally long season of bloom. Requires full sun and good drainage. It is deep rooted a...Read More

D
D
Fort Collins, CO (Zone 5b) | April 2015 | positive

Great plant. I liked the silvery, leathery foliage as much or more than the blooms, which were very nice. Thrived in a hot, sunny rock mu...Read More

K
K
(Zone 7a) | July 2010 | positive

I have grown Silver Blade from seed. The leaves are Silver in color and resemble Blades. The flowers are Very Large compared to ANY Oenot...Read More

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Mediterranean Gull
(Ichthyaetus melanocephalus)