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Oenothera Species, River Primrose, Trumpet Evening-Primrose

Oenotherajamesii

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Oenothera jamesii by LindaTX8
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Family
Onagraceae (on-uh-GRAY-see-ee)
Info
Genus
Oenothera (ee-no-THEE-ruh)
Info
Species
jamesii (JAMES-ee-eye)
Info
Synonym
Oenothera suzukiana
Onagra jamesii
Sun Exposure
Full Sun
Sun to Partial Shade
Foliage

Unknown - Tell us

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

Unknown - Tell us

Hardiness

Unknown - Tell us

Danger

Unknown - Tell us

Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Biennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color

Unknown - Tell us

Where to Grow

Unknown - Tell us

Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size

Unknown - Tell us

Other details

Unknown - Tell us

Soil pH requirements

Unknown - Tell us

Patent Information

Unknown - Tell us

Propagation Methods
By dividing the rootball
From seed; direct sow outdoors in fall
From seed; sow indoors before last frost
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

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

Helotes, Texas

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LindaTX8
NE Medina Co., TX (Zone 8a) | November 2007 | positive

In May I bought a couple of fairly large plants grown by someone interested in native plants. This year was an unusual summer, lots of ra...Read More

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