Vernonia noveboracensis
Ironweed
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Ironweed (Vernonia noveboracensis) - Description
Vernonia noveboracensis (New York ironweed or Vein-leaf hawkweed) is a plant in the daisy family, Asteraceae. It is native to the eastern United States, from Florida to Massachusetts and west to Tennessee, Alabama, and West Virginia.
Ironweed (Vernonia noveboracensis) - Blooming
Small flowers, a quarter to half an inch across are massed. White, pink, and blue. The flowerheads turn rust-colored as they age.
Ironweed (Vernonia noveboracensis) - Growth
Perennials, ranging from 4 inches to 2.5 feet in height. Grows best in full sun or partial shade. Vernonia works best in a wild garden or mixed border.
Ironweed (Vernonia noveboracensis) - Planting
Propagate seeds in spring. Sow in containers in a cold frame (for protection and to ensure hardiness). Can also propagate by division in spring or fall.
Ironweed (Vernonia noveboracensis) - Pest
Slugs and snails are a threat to young plants. Other issues include powdery mildew, leaf spot, and rust, all of which are quite common.
Ironweed (Vernonia noveboracensis) - Interesting facts
Vernonia is native to South America, Africa, Asia, Australasia, and North America. Vernonia from tropical regions are often woody. Plants located in Northern regions are mostly annuals and herbaceous perennials. There are 1,000 known species of Vernonia.
Ironweed (Vernonia noveboracensis) - Soil and irrigation
Regular water. Prostrate, mat forming kinds are less tolerant of damp conditions and should be watered less. Does best in light, averagely rich, and moist soil.
