ONAGRACEAE (Clarkia)

Protocol Information for:

Label_title:
Clarkia (amoena)

Family Names:

Family Scientific Name:
ONAGRACEAE

Family Common Name:
Evening Primrose Family

Scientific Names:

Genus:
Clarkia

Species:
amoena

Scientific Classification:

Scientific SubSpecies:

Species Authority:
(Lehm.) Nelson & J.F. Macbr

Scientific SubAuthority:

Authors:

Amy Bartow

Common Synonym:

Genus:

Species:

Synonym Classification:

Synonym SubSpecies:

Species Authority:

Synonym SubAuthority:

Other Information:

Common Name:
farewell to spring

Species Code:
CLAM

Ecotype:
seeds were collected in Lane Co., Oregon near Eugene.

General Distribution:

Known Invasiveness:

Propagation Goal:
plants

Propagation Method:
seed

Product Type:
Container (plug)

Stock Type:

Grow Time:
0

Target Specifications:

Propagation Collection:

Propagation Processing/Propagule Characteristics:

Pre-Planting Propagule Treatments:
Seeds were sown into cone-tainers filled with Sunshine # 1 (a soil-less peat-based media) amended with micro-nutrients (Micromax) and a slow-release fertilizer (Osmocote 14-14-14.)

Growing Area Preparation / Annual Practices for Perennial Crops:
Flats were placed in greenhouse set at moderate temperatures (70 degree days/50 degree nights.)

Establishment Phase:
Seeds germinated within one to two weeks. 95% germination occured.

Length of Establishment Phase:

Active Growth Phase:

Length of Active Growth Phase:

Hardening Phase:

Length of Hardening Phase:

Harvesting, Storage and Shipping:

Length of Storage:

Guidelines for Outplanting / Performance on Typical Sites:

Other Comments:

References:

Citation:
Bartow, Amy. 2004. Propagation protocol for production of Container (plug) Clarkia amoena (Lehm.) Nelson & J.F. Macbr plants USDA NRCS - Corvallis Plant Materials Center Corvallis, Oregon. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/12/05). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.

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