This allows the plant to retain moisture, conserve energy, and survive in soil that has lower nitrogen content as you’ll find in tropical climates. So, this means that globe amaranth is genetically predisposed to breathe differently than other plants. They tend to grow in pairs opposite of one another, and this plant works to fix carbon using the C4 pathway. The upright stems have vertical branching too, and the leaves are covered in fine hair and display a thin purple margin. And while some may have taller growth habits, they are generally compact plants that will spread between 8 to 24 inches. You can choose from a range of mature heights for globe amaranth, and they range from the six-inch dwarf cultivar to four-foot options. This plant has a very upright growth habit, and it tends to get more leggy unless you pinch the flowers early in the spring months. When it comes to picking out soil, it can do well in everything from clay to loam as long as it has good drainage. It has a long taproot, and this lends to the above-average drought tolerance, but it prefers to have consistent moisture, especially when it germinates and is a seedling. History and Cultivation of the Globe AmaranthĪs this is a tropical plant by nature, it has a very high tolerance for humidity and heat, and it thrives in sunshine. Magenta, lilac, pink, red, purple, orange, green, and whiteīorders, beds, containers, xeriscapes, rock gardens Mexican petunia, celosia, marigold, and zinnia Thrips, aphids, damping off, leaf spot, gray mold, and powdery mildew Globe Amaranth – General Information Attracts: Globe Amaranth Pests and Disease Issues.Best Ornamental Uses for Globe Amaranth.Harvesting and Preserving Globe Amaranth.History and Cultivation of the Globe Amaranth.Globe amaranth is a very cheerful, bright flower that can stand out in your garden from spring until late fall. In this quick guide, we’ll outline everything you need to know to grow and care for globe amaranth. Due to hybridization, there are now a range of colors to choose from, including pink, magenta, lilac, red, purple, white, and orange. It’s self-sowing, so it may produce more plants, but the seeds have a very low germination rate. If you live in zones 9 to 11, you can grow globe amaranth as an annual and remove it in the fall or grow it as a short-lived perennial. It’ll start to bloom in this climate early in the summer and continue through fall until the first hard frost hits. Each bract has tiny yellow or white flowers that you can only see at close range, and this is a very tender annual in zones two to eight. If you touch them, you’ll notice that they’re just like strawflowers as they’re very paper and stiff. The bright flower heads look a little like clover, and they feature tubular bracts instead of petals. Cockscomb, Love Lies Bleeding Amaranth, and Spinach are close relatives to globe amaranth. It’s native to northern and central South America, and you’ll find classic magenta flowers dotting along the landscape. This plant is one of the 90 Gomphrena species of flowering plants that you find in the Amaranthaceae family. They work well in rock gardens, beds, borders, and xeriscapes as they’re very tolerant to drought. Globe amaranth is a tropical annual that has globe-shaped blooms that last for a long time, and they come in a range of colors.
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