If temperatures stay at this level for too long, the grass may be damaged. Plant in well-draining soil, as excessive moisture or fertility will will stunt growth or cause the canes to fall over. Spreading a 2-3 inch thick layer of bark mulch around the new plants may be a good idea to help in moisture retention as well as weed-prevention. Although temperatures in USDA Hardiness Zone 8 can reach below freezing, around 15 F, temperatures this cold won't adversely affect pampas grass. Despite being quite hardy, some gardeners in cold, or flood-prone regions have claimed that their pampas never grew back after the first winter. It is not known to be toxic to either humans or pets. It also includes the ability to withstand minimum temperature of the zone. After that, the plants can do quite well with little or no fertilization. Pampas Grass has a very natural, elegant beauty. The small, white flower heads of this pampas are good for dried flowers as well. Its salt spray tolerance makes it a … Pampas Grass, Cortaderia selloana, is an outstanding ornamental that requires little maintenance other than full sun. If you believe that you have a hardy variety, then the next issue that we need to look at is fertilization. Since our first visit to Albuquerque with our hot air balloon (we have been to many fiestas since! Hardy Pampas grass is a showy and tall ornamental grass. Use any quality fungicide to deal with these problems in the early stage, so the damage remains minimal. Hardy Pampas Grass is a more cold-hardy variety of the popular White Pampas Grass. Fertilization: Fertilize 2 to 3 times during the first year of growth. Pampas grass is considered marginally hardy in United States Department of Agriculture Hardiness Zone 6, according to the University of Georgia. In such cases, the whole plant needs to be uprooted and the damaged stem has to be cut away. Temperatures in Zone 7 can reach 0 F. Zone 8 is another zone where pampas grass can grow with no risk of damage from winter temperatures. Here in the US, it grows in USDA zones 8–12. Still, many cultivars are cold-hardy and can survive in climates lower than USDA zone 8. Ideal temperature for germination: 65°F to 75°F. Zone 7 Pampas Grass Care In Zone 6 - Knowledgebase Question. He studied creative writing at Mankato State University in Minnesota. The very tall reaching Pampas Grass … You guessed it: blue. As the breeze comes off the water, the pampas grass sways gently and releases a flurry of seeds into the air. Georgia Glynn Smith / Getty Images Blue fescue (Festuca glauca) is a deer-resistant, sun-loving ornamental grass with icy blue foliage and pale yellow flowers.And with a name like "blue fescue," you know the color (really a bluish-gray, which is what glauca means in Latin) is a major selling point. You need to keep a distance of at least 6 feet between each plant, which is another reason why this grass is suitable for the borders. It isn’t aggressive and will not spread rapidly in your garden. 7. Also called the ‘dwarf’ pampas, it grows 3-6 feet in height, with the short stems producing cream-white broad feathery plumes. Well-suited for growing in a container. Reproduction in whole or in part without permission is prohibited. Once mature, the plants do not need regular watering anymore as they are quite drought-tolerant. Constant humidity may be harmful, causing root rot. Prepare the pampas grass planting soil by preparing it with part compost, part peat moss or processed manure, part sand, and soil. Having a compact foliage and creamy white flowers, it is one of the shorter varieties, growing around 4 feet. Common pampas grass is hardy in zone 8 (Coastal Plain), and is marginally hardy in zones 6 and 7 (Piedmont region). Common pampas grass is hardy in zone 8 (Coastal Plain), and is marginally hardy in zones 6 and 7 (Piedmont region). They can be transplanted once 3-4 inches tall. The best time to cut back pampas grass is in late winter, before new growth appears. With a hardy nature and bright golden-striped leaves, this dwarf pampas variety is suitable for growing in containers. Silky silvery-white flowers appear in fall. However, it is gradually gaining its demand back but is now grown more strictly as borders. Saccharum ravennae 'Erianthus' will grow in colder regions down to a zone 6. Pampas grass is considered marginally hardy in United States Department of Agriculture Hardiness Zone 6, according to the University of Georgia. Watering: During the first growing season, water the plants as frequently as needed to keep the soil moist. However, grow them in pots and keep them indoors during winter; replant outside in springtime. It also produces attractive coral-pink plumes in late summer, on tall stems towering over the foliage.