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      Close-up of Grand Collomia flowers (Collomia grandiflora). Another stunning Pacific Northwest native plant available at Sparrowhawk Native Plants Nursery in Portland, Oregon.
      Close-up of Grand Collomia flowers (Collomia grandiflora). Another stunning Pacific Northwest native plant available at Sparrowhawk Native Plants Nursery in Portland, Oregon.
      Close-up of Grand Collomia flowers (Collomia grandiflora). Another stunning Pacific Northwest native plant available at Sparrowhawk Native Plants Nursery in Portland, Oregon.

      Grand Collomia

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      Collomia grandiflora

      Collomia is a unique annual wildflower with a terminal cluster of trumpet shaped flowers that are peach-colored with visible blue anthers. Not only is this flower color rare in a NW native garden, but Collomia holds its showy blooms for several weeks. It attracts bumblebees, honey bees, and larger native bees and, in good years, will self-seed readily. Each seed packet contains approximately 200 seeds.

      • Height: 18"-24"
      • Width: 6"-12"
      • Canopy layer: groundcover
      • Light requirements: full sun to part shade
      • Moisture requirements: dry to moist soil
      • Bloom Time: May - early June

      Sowing instructions: scatter seed on loose-weed free soil. Seed can be lightly raked in to increase seed-to-soil contact, but be careful not to cover the seed with more than 1/4" soil.

      Recommend sowing between September and November or in March so that seeds will benefit from seasonal rains.  If sowing in April or May, seeds will benefit from supplemental water to encourage strong growth and blooms the first year. 

      Source: Steele Acres Native Willamette Valley Seed

       

      Photo Credit 1: Steele Acres Native Willamette Valley Seed

      Photo Credit 2: "Collomia grandiflora" by John Game is licensed under CC BY 2.0

      Photo Credit 3: "Large Flowered Collomia (Collomia grandiflora)" by Tim Berger is licensed under CC BY 2.0