(Ipomoea purpurea var. ‘Grandpa Ott’)
Grandpa Ott' Morning Glory is a warm weather annual flowering vine that is native to Mexico and South America but can be found growing in thickets, fallow fields, and along roadsides throughout the state of Arizona. At maturity, this plant reaches the height of 6-10' and features a fast-growing vine with heart-shaped dark green leaves, and 5" deep purple flowers with ruby red centers. This plant can be grown in containers or hanging baskets, attracts bees, butterflies, and hummingbirds, is both edible and medicinal, and self sows!
Harvesting & Storage
Variety: Grandpa Ott' Morning Glory
Also known as: Common Morning Glory, Ipomoea, Tall Morning Glory.
Native to: Argentina Northeast, Argentina Northwest, Arizona, Brazil North, Brazil Northeast, Brazil South, Brazil Southeast, Brazil West-Central, Chile Central, Colombia, Costa Rica, Ecuador, El Salvador, Guatemala, Jamaica, Mexico Central, Mexico Gulf, Mexico Northeast, Mexico Northwest, Mexico Southwest, Nicaragua, Panamá, Peru, Uruguay, Venezuela.
Introduced into: Alabama, Angola, Assam, Austria, Baleares, Bangladesh, Bolivia, British Columbia, California, Canary Is., Cape Provinces, Cape Verde, Central European Rus, China North-Central, China South-Central, China Southeast, Colorado, Cuba, Cyprus, Dominican Republic, East Himalaya, Egypt, Eritrea, Ethiopia, France, Free State, Greece, Hainan, Haiti, Hawaii, Illinois, India, Iran, Italy, Kentucky, Kenya, Korea, KwaZulu-Natal, Leeward Is., Lesotho, Madagascar, Madeira, Mauritius, Michigan, Mozambique, Myanmar, Nepal, New Caledonia, New Mexico, New South Wales, New York, New Zealand North, New Zealand South, Northern Provinces, Nova Scotia, Ontario, Oregon, Pakistan, Philippines, Primorye, Puerto Rico, Queensland, Québec, Rodrigues, Romania, Rwanda, Réunion, Sicilia, Spain, Sri Lanka, Swaziland, Tanzania, Tennessee, Texas, Thailand, Tibet, Tunisia, Turkey, Turkey-in-Europe, Uganda, Vermont, Washington, West Himalaya, Windward Is., Yemen, Zambia, Zaïre, Zimbabwe.
Ease of Growing: Moderate
Grown as: Annual
Bloom Time: Spring, Late spring or early summer. Summer, Late summer or early fall
Growing Habit: Vine
Hardiness: Half Hardy. Morning glory will sprout again after a light frost but will not tolerate a hard freeze.
Crops: Spring Transplant, Spring
Growing Season: Short, Long
Growing Conditions: Cool, Warm. Morning glory will grow best in a sunny part of the garden in areas with cooler summers, but should be placed in a partially shady spot in areas with hotter summer days.
Outdoor Growing Temp: 50°F - 90°F
Min Outdoor Soil Temp: 55°F. Seeds will germinate at 55-68˚ but will take longer to germinate above 65˚F
Start Indoors: Yes
Start Outdoors: Yes
Light: Sun: min. 6 hours daily (Cool). Morning glory grow best in the sun in areas with cooler summers.
Water: Moderate. For the best flavor, keep Morning glory well watered. This helps to neutralize the spiciness of the greens and flowers.
Feeder: Light. Grow Morning glory in soil that is higher in Phosphorus and Potassium than Nitrogen. Growing Morning glory in nitrogen rich soil produces more vegetative growth and discourages blooming.
Suitability: Needs summer shade
Small Gardens?: Yes
Containers?: Yes. Suitable in 1 gallon. Suitable for hanging baskets. Needs excellent drainage in pots
Attracts beneficial insects?: Yes. Bees, Butterflies, Hummingbirds.
Sow Depth: 1/4”
Produces: a fast-growing vine with heart-shaped dark green leaves, and 5" deep purple flowers with ruby red centers.
Uses: Flowering Tree, Will Naturalize.
USDA Grow Zone: 3a-9b
Soil pH: 6.1-7.8, Ideal 6.5-7.5. Many gardeners prefer growing Morning glory in nitrogen poor soil, as nitrogen rich soil encourages more vegetative growth with less blooms. Grow in well drained soil. In gardens with very sandy soils, add compost to help retain moisture.
Compost (Nitrogen), 2 inches, in top 6" of soil, 1 time: In gardens with very sandy soils, add compost to help retain moisture. Otherwise omit.
In cooler climates, the seed can be started indoors 6-8 weeks before the last frost of spring; plant the nicked seeds 1/4" deep and keep the soil evenly moist but not soggy until germination, which should take place in 7-10 days with adequate warmth.
Transplant seedlings as soon as possible after germination, since they resent root disturbance; the soil temperature should be at least 65 degrees F with no chance of frost.
Water Needs: Moderate. For the best flavor, keep Morning glory well watered. This helps to neutralize the spiciness of the greens and flowers.
Fertilizer Needs: Light. Grow Morning glory in soil that is higher in Phosphorus and Potassium than Nitrogen. Growing Morning glory in nitrogen rich soil produces more vegetative growth and discourages blooming.
Support: Optional. If you want your Morning glory to grow up, you can encourage it up a trellis, fence, or some other kind of support.
Storage Req: Refrigerator
Storage Temp: 35-40°F
Storage Length: 1-2 days
Seed Viability in Years: 3-4 years
Germination Percentage: 70%
Leaves and flowers are known for their peppery, mustard-like flavor.
Both the leaves and flowers are edible raw and add a sweet and spicy kick to salads. Morning glory leaves can also be made into a pesto.