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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 2024/06/17). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.