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.
Answers. Best Answer: Their average bloom cycle lasts 2 - 3 weeks. After the last bloom has faded and fallen off, let the leaves get 8 - 12 weeks of sun before cutting them back.I prefer to let the leaves die back naturally before I cut them. Those leaves soak up that sun and store its energy in the bulb for next year's blooms.nswers. Best Answer: Their average bloom cycle lasts 2 - 3 weeks. After the last bloom has faded and fallen off, let the leaves get 8 - 12 weeks of sun before cutting them back.