You’ll need to know which variety of morning glory you have and do a quick google search, or check the packaging and product description, to determine which type of morning glory you have. Some morning glory varieties are annuals, while others are perennials. Morning glories are grown as either annuals or perennials. · most morning glories grown ornamentally in gardens are annuals, but some perennial varieties exist. The moonflower (ipomoea alba) are perennial in the usda hardiness zones 9 through 11. · morning glory is perennial because you can plant it once and enjoy it for multiple years. This eliminates the need for yearly planting, saving your time and effort. Hundreds of plant species in the genus ipomoea share the common name morning glory, which can cause a little confusion over which plant is being discussed. The common morning glory (ipomoea tricolor) is hardy and does well as a perennial in usda zones 10 and 11. · are morning glories perennials or annuals? · technically, most morning glories are perennial plants that come back year after year. The attractive annual morning glory (ipomoea spp. ) is often mistaken for its perennial cousin, field bindweed (convolvulus arvensis), a very troublesome, invasive weed native to europe and asia. · morning glories are technically perennials , returning year after year in zones where the temperature doesn’t regularly dip below 45 degrees fahrenheit, like usda zones 9 – 11. However, this is only the case in hotter zones where they are truly hardy: