Photo by Melody

PlantFiles: Hooker's Evening Primrose
Oenothera elata

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Family: Onagraceae (on-uh-GRAY-see-ee) (Info)
Genus: Oenothera (ee-no-THEE-ruh) (Info)
Species: elata (el-AH-tuh) (Info)

Synonym:Oenothera hookeri
Synonym:Oenothera elata var. hookeri
Synonym:Oenothera simsiana

2 vendors have this plant for sale.

3 members have or want this plant for trade.

Category:
Alpines and Rock Gardens
Annuals
Biennials

Height:
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)

Spacing:
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)

Hardiness:
Unknown - Tell us

Sun Exposure:
Full Sun
Sun to Partial Shade

Danger:
N/A

Bloom Color:
Bright Yellow

Bloom Time:
Mid Summer
Late Summer/Early Fall

Foliage:
Velvet/Fuzzy-Textured
Mottled

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping
Self-sows freely; deadhead if you do not want volunteer seedlings next season

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)
8.6 to 9.0 (strongly alkaline)

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
Direct sow as soon as the ground can be worked

Seed Collecting:
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored

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Profile:

5 positives
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive tremon123 On Sep 1, 2014, tremon123 from Dexter, MI wrote:

I bought this plant when it was just a small yellow flower. I placed it, in a pocket of soil in the rocks, at the top of the waterfall that flows into a small pond. In three years it has sprawled out in a vining fashion. It flowers from Spring to Fall. Beautiful bright yellow flowers that are clearly visible from the house. This year I am going to harvest some seeds in hopes of growing more. I live in southeastern Michigan.

Positive brioche On Jul 11, 2011, brioche from Richmond, CA wrote:

I found it growing wild in Humboldt Count

Positive DJinFlorida On Apr 13, 2011, DJinFlorida from Oak Hill, FL wrote:

This is a beautiful plant. We had several of them in the garden when I volunteered at Heap's Peak Arboretum in the San Bernardino Mountains, Southern California. I am in Florida now, I was wondering if they would grow here as well.

Positive spaceman_spiff On Jul 11, 2008, spaceman_spiff from Saint Petersburg, FL (Zone 9b) wrote:

I had one of these when I lived in northeast New Mexico. I loved it! Big moths (hummer moths?) used to come to the flowers at night. I wonder if it would live in Florida?

Positive YLcalif On Aug 19, 2005, YLcalif from Yorba Linda, CA wrote:

This is one of the many unappreciated California native plants. I like the way it makes a surprise showing by popping up each year in different locations throughout the garden. Many California native gardens concentrate on spring (water) flowers, so this plant is most welcome with its fresh looking flowers during dry hot summer months.

Regional...

This plant has been said to grow in the following regions:

Garden Valley, California
Los Angeles, California
Clifton, Colorado
Monson, Massachusetts
Dexter, Michigan
Pullman, Washington



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