10 Seeds Scarlet Gaura - Gaura Coccinea - Also Known As,"scarlet Beeblossom". Flowers Seed Scarlet Gaura is extremely easy and carefree! Delicate blossoms, somewhat like the honeysuckle in appearance, bloom white at first, but by the next day change to pink and then to red! Hardier and more manageable than some other species of Gaura, this pretty flower may form large colonies! Sow Gaura seeds in starter trays using sterile potting soil. Gently press the flower seeds into the soil, and barely cover with lose soil. Keep the flower seeds moist until germination. When ready to transplant, cut the Gaura seedlings back to help it grow more compact. A second cutting back 4 weeks later is often needed again to keep the plant more compact in growth.