Helianthella (uniflora)
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Matthew Utley Conservation Horticulturist Red Butte Garden 300 Wakara Way Salt Lake City, Utah 84108 801-587-9951 801-585-0516 (fax) Matthew.Utley@redbutte.utah.edu http://www.redbuttegarden.org/ |
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| Family Scientific Name: | Asteraceae | ||
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| Family Common Name: | Sunflower | ||
| Scientific Name: | Helianthella uniflora (Nutt.) Torr. & Gray | ||
| Common Name: | One Head Mounding Sunflower | ||
| Species Code: | HEUN | ||
| Ecotype: | University of Utah Heritage Preserve | ||
| Propagation Goal: | plants | ||
| Propagation Method: | seed | ||
| ProductType: | Container (plug) | ||
| Time To Grow: | 3 Months | ||
| Target Specifications: | Spring Plant out. | ||
| Propagule Collection: | Seeds were hand collected October 31, 2005 and stored dry at 2-4 Celsius until use (3 months). | ||
| Pre-Planting Treatments: |
2 replicates of 10 seeds each recieved a cold and moist treatment of 2-4 Celsius for 0, 2, 4, and 6 weeks. The petri dishes were checked for germination for a period of 3 weeks following there treatments. The results were that O weeks produced 0% germination, 2 weeks produced 40%, 4 weeks produced 45% germination, 6 weeks produced 45% germination. A short cold and moist period of at least 2-4 weeks at 2-4 Celsius enhanced germination of this species. |
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| Growing Area Preparation/ Annual Practices for Perennial Crops: |
Seeds were moved to 20D/10N following pretreatment. Seeds wre held with 12 hrs light durring all stages of germ trial. | ||
| Establishment Phase: | Germlings were moved to Rootrainers containing High porosity premier brand medium following germination | ||
Citation:
Utley, Matthew C.. 2006. Propagation protocol for production of Container (plug) Helianthella uniflora (Nutt.) Torr. & Gray plants Red Butte Garden Salt Lake City, Utah. In: Native Plant Network. URL: https://NativePlantNetwork.org (accessed 2025/10/31). US Department of Agriculture, Forest Service, National Center for Reforestation, Nurseries, and Genetic Resources.
