Requires little attention, flowers well in warm weather
Scarify seeds before planting
By our calculations*, you should look at sowing Morning glory about 25 days before your last frost date .
Frost tender, so plant out when all danger of frost has past. It requires a plant or bamboo stake on which to coil
Morning glory is tender, so ensure you wait until all danger of frost has passed in your area before considering planting outside - as a guideline, the minimum temperature outside should be approximately -6°C / 21°F.These estimates for how long Morning glory takes to sprout, grow and harvest are from real observations from real gardeners, right around the world.
Average 6 days | Min 1 days | Max 23 days (106)
Average 28 days | Min 5 days | Max 61 days (21)
Average 75 days | Min 31 days | Max 242 days (10)
Our when to plant Morning glory estimates are relative to your last frost date.
‘Morning glory’ is named as its flowers are open for just one morning
The seeds contain ergoline alkaloids, and have been used for centuries by many Mexican Native American cultures as a hallucinogen; they were known to the Aztecs as tlitliltzin, the Nahuatl word for “black” with a reverential suffix. In South America, the seeds are also known as badoh negro.
Ipomoea purpurea does not sequester ergot alkaloids in its seeds. The alkaloids are apparently produced by a fungal symbiont.
Ipomoea, Grannyvine
Ipomoea tricolor Cav.