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The Forest Service National Center for Reforestation, Nurseries, and Genetic Resources (RNGR) is a leading source of technical information for nurseries and land managers regarding production and planting of trees and other native plants for reforestation, restoration, and conservation.

 
NPN Protocol Details Image

Blennosperma (bakeri )

Ayla Mills
Nursery Manager
Laguna de Santa Rosa Foundation
900 Sanford Road
Santa Rosa, California 95401
707.527.9277
ayla.mills@lagunafoundation.org
http://lagunadesantarosa.org

Family Scientific Name: Asteraceae
Family Common Name: Sunflower Family
Scientific Name: Blennosperma bakeri Heiser
Common Name: Sonoma Sunshine
Species Code: BLBA
Ecotype: Sonoma County, California
General Distribution: Blennosperma bakeri is an endangered vernal pool species that is endemic to Sonoma County. Its population is limited to a few vernal pool sites in the Laguna de Santa Rosa and Sonoma Valley.

Propagation Goal: Seeds
Propagation Method: Seed
ProductType: Propagules (seeds, cutings, poles, etc.)
Time To Grow: 5 months
Target Specifications: Seed Amplification
Propagule Collection: Spring 2021
Pre-Planting Treatments: none
Growing Area Preparation/
Annual Practices for Perennial Crops:
Sowed 1 seed per cell into 128 plug trays. Seeds were sown into Sungro professional growing mix (Sunshine Mix #1 which contains Canadian Sphagnum Peat Moss, Perlite, Dolomite Lime, Long-Lasting Wetting Agent, RESiLIENCE). Seeds were sown 2 mm deep. Seed trays were kept in a greenhouse and watered by an automatic irrigation system daily. Seeds were sown in early January. Seeds started germinating 6 days after sowing. 100% of the seeds germinated.
Establishment Phase: January-February
Length of Establishment Phase: 2 months
Active Growth Phase: March-May
Length of Active Growth Phase: 2-3 months
Length of Hardening Phase: 1 week
Harvesting, Storage and Shipping: Seeds were harvested in May and June using a modified shop vacuum.
Outplanting performance on typical sites: Transplants were grown in a raised bed in a hoop house protected by bird netting. The soil in the raised bed was covered with weed barrier fabric.
Other Comments: A Scientific, Educational, or Management permit is required to conduct work with species protected under the California Endangered Species Act. Work was conducted under the Scientific, Educational, or Management Permit No. 2081(a)-21-007-RP from the California Department of Fish and Wildlife.

Citation:

Mills, Ayla. 2023. Propagation protocol for production of Propagules (seeds, cutings, poles, etc.) Blennosperma bakeri Heiser Seeds Laguna de Santa Rosa Foundation Santa Rosa, California. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2024/07/01). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.