This information will also be used by the communities of Thurston County to update. existing floodplain regulations as part of the Regular Phase of the National Flood. Insurance Program (NFIP), and by local and regional planners to further promote sound. land use and floodplain development.
Plant morning glory 8 to 12 inches apart. Propagating morning glory vine: Start new vines from seed. Soak the seeds in water for 24 hours before planting to speed germination. In the North, earlier bloom can be achieved by starting indoors in peat pots 4 to 6 weeks before planting out. Germination takes 5 to 7 days at 70 to 80 degrees Fahrenheit.
Most morning glory flowers unravel into full bloom in the early morning. The flowers usually start to fade a few hours before the petals start showing visible curling. They prefer full solar exposure throughout the day, and mesic soils. Some morning glories, such as Ipomoea muricata, are night-blooming flowers.