I, too am beginning to see fungal disease on my own impatiens this year because of all the wet weather and I have added a picture of one of mine that wilted completely literally overnight. Place your plant in a location that receives morning sun and afternoon shade. these days. One of the many wonderful things about new guinea impatiens is that they are very easy to care for and do not require a lot of maintenance. Watered them everyday as it's been quite sunny here in Seattle (imagine that!) New Guinea impatiens, known botanically as Impatiens hawkeri, are a species of flowering annuals that have a long bloom period from spring through fall. New Guinea Impatiens Care Must-Knows. Just bought several beautiful New Guineas which were planted in planters 2 days ago. The right time to start pruning impatiens is mid summer or the months of July and August, once the main growing season is over. The leaves are still green but limp. Hi Margaret I sounds as if the New Guinea impatiens had some watering issues. And suddenly this morning, they are completely wilted. They don’t like dried out soil or saturated soil. In regards to watering, frequently check plants growing in hanging baskets and other containers. New Guinea impatiens are happiest in part shade with consistently moist soil. They will add an explosion of color in these areas from early summer to fall. Water the plant and let it recover in a shady location for a few days, then gently remove any foliage that does not recover to allow for new growth. Impatiens of all varieties are reliable shade-garden favorites that are hardy in most growing zones across the nation.. Pruning is important for the plant as it promotes new growth in the plant and improves its blooming. Just bought several beautiful New Guineas which were planted in planters 2 days ago. New Guinea impatiens are not fond of cool night temperatures. Fertilize: New Guinea impatiens will benefit from an application of slow-release fertilizer when planted or a light feeding every two weeks with a balanced water soluble fertilizer. Flower beds on the east side of a building, which get morning sunshine and afternoon shade, are ideal locations for these plants. these days. While prized for their petite mounds of colorful blooms and easy-care growing habits, one variety is becoming is a stand-out, and that’s the New Guinea impatien. New Guinea impatiens are the perfect flowers to choose for shaded areas of your landscaping. Pruning is important for the plant as it promotes new growth in the plant and improves its blooming. There are two important steps of pruning. Cuttings. The thing to remember about New Guinea impatiens is that rdeningalthough it will tolerate moderate amounts of sunshine, it still thrives in light shade. If your impatiens died this year, your best option is to plant something else for a few years. Propagating new guinea impatiens is a good way to keep new flowers growing throughout the winter for spring sowing. You could consider planting the more disease tolerant/resistant New Guinea impatiens. Good luck and I hope I'm wrong on this one! Note: Some leaves may appear wilted or yellow upon arrival. I'm not experienced at growing impatiens, but I am pretty good at reading plants. Stem rot is generally worse in heavy, wet soils, so plant impatiens only in areas where soil is well-drained, or plant them in containers. There are a few different ways to propagate your new guinea impatiens. You can prune impatiens when it reaches the height of 6 inches or more. The leaves are still green but limp. Also, alternanthera, begonia, coleus, iresine, and torenia are all possible alternatives to impatiens. New Guinea Impatiens Info. These pests dwell in the soil; when they infect a plant, they girdle the stem, causing the area above the rot to wilt. See more flowers that don't mind shade. You can prune impatiens when it reaches the height of 6 inches or more. When planting, set New Guinea impatiens at the same depth as they are currently growing. See more flowers that don't mind shade. They require about four to six hours of afternoon shade. Once that is accomplished, rotate the plants you put in that spot every year. Sometimes called busy Lizzy, impatiens (Impatiens walleriana) grow as perennials U.S. Department of Agriculture plant hardiness zones 10 through 11, but are normally grown as annuals or houseplants. Browse pictures and read growth / cultivation information about New Guinea Impatiens, Mixed Hybrids (Impatiens x hawkeri) supplied by member gardeners in the PlantFiles database at Dave's Garden.