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.
Bloom Time. Blooms appear for approximately one week in the late spring or early summer. Gardeners can extend the blooming season up to six weeks by selecting varieties that bloom early, midseason and late in the season. The large blossoms come in many colors except blue.