Seed Needs, Scarlet Flax (Linum rubrum) 300 Seeds Quality Flax seeds packaged by "Seed Needs" Annual Flower that blooms until the Fall & then dies with the first frost Grows to a mature height of 14 to 24 inches tall Prefers an area of full sunlight Easy planting instructions printed on each Seed Needs packet along with a colorful picture of the plant.