While nemesiaplantproblems aren’t usually serious, there are some common nemesia issues for which to keep an eye out. Learn how to spot them in early development so they don’t mar... Nemesia (Nemesia spp.) is an easy-care annual with a wide diversity in color, long bloom period, and a fondness for cool conditions over summer heat. Pouch Nemesia is one of the most popular species. Cultivars of this plant are frequently grown as cool-weather annuals in the United States. The genus name, Nemesia... Top 6 Reasons a NemesiaPlant is Dying. If your once vibrant nemesia starts looking lackluster with wilting, spotty leaves and struggling blooms, review these common causes Nemesia Flowers Plant Specifications. Flower colors: Colors include blue, orange, pink, red, and white. There are a variety of bicolors. Flower Blooms: Spring through summer. Nemesia is an early-season annual that is often overlooked. Learn how to grow this cottage garden favorite with dainty snapdragon-like blooms in a brilliant array of jewel-toned colors. Why are my Nemesia leaves turning black? Bacterial Leaf Spot: Another problem caused by using overhead irrigation, greasy black spots start on lower leaves and move up the plant. How to PlantNemesia. PlantingNemesia correctly establishes the foundation for healthy growth and abundant flowering. Where to Plant. Planting Tips. Care. Pests and Problems. Propagation. Types. Companion Plants. FAQ. Learn all about nemesia - choose the best ones to grow, where to buy, where to plant and care advice from RHS experts. Learn how to care for the nemesiaplant with this complete guide. Tips, watering, location, and essential care for a vibrant garden! Yellow colored nemesia fruticans flowers. Nemesias can be prone to acquiring issues during their plant lives. Leaving these problems alone may lead to the plants’ wilting and dying. avoid exposing nemesiaplants to ethylene during growing, shipment and displaying. Figure 7b. Advanced symptoms of lower leaf, black greasy spots caused by a bacterial leaf spot.