Vernonia noveboracensis
TAXONOMY
FamilyAsteraceae
GenusVernonia
Zone4
LEARN MORE
Plants of the World OnlineABOUT
Vernonia noveboracensis, commonly known as New York Ironweed, is a perennial plant in the Asteraceae family. It is native to the eastern United States and typically found in moist meadows, stream banks, and open woods. The plant is known for its tall stature and clusters of vibrant purple flowers that bloom in late summer to early fall. It undergoes a dormancy period during the winter months.
ALSO KNOWN AS
New York Ironweed
OVERVIEW
VPDCalculate
WaterWet
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity60%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
WANT MORE TIPS?
DETAILS
Care Instructions
New York Ironweed thrives in temperate climates with moderate temperatures. It prefers full sun to partial shade and should be watered regularly to keep the soil evenly moist. The plant can tolerate a range of humidity levels but prefers moderate humidity. It is relatively easy to care for but may require some attention to ensure optimal growth.Soil
Vernonia noveboracensis prefers well-draining loamy soil that retains moisture without becoming waterlogged. The soil should be rich in organic matter to provide the necessary nutrients for growth. Regular mulching can help maintain soil moisture and improve soil structure.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied in the spring to support healthy growth. Fertilize once a month during the growing season. Avoid over-fertilizing, as this can lead to excessive foliage growth at the expense of flowers.Repotting
Repotting is generally not necessary for New York Ironweed, as it is typically grown outdoors in garden beds. However, if grown in containers, repotting should be done in early spring before new growth begins. Choose a larger pot with good drainage and fresh potting mix.Propagation
New York Ironweed can be propagated by division or from seeds. Division is best done in early spring or late fall. Carefully dig up the plant and separate the root clumps, then replant them in prepared soil. Seeds can be sown in the fall or stratified and sown in the spring.Pruning
Pruning is beneficial for maintaining the plant's shape and encouraging bushier growth. Cut back the stems to about half their height in early summer to promote branching. Deadheading spent flowers can also extend the blooming period. In late fall, cut the plant back to the ground to prepare for winter dormancy.Toxicity
Vernonia noveboracensis is not known to be toxic to pets or humans. However, as with any plant, it is advisable to prevent pets and children from ingesting any part of the plant.Additional
New York Ironweed is a valuable plant for pollinators, attracting bees, butterflies, and other beneficial insects. It can be used in naturalized garden settings, wildflower meadows, and along water features. Its tall, striking appearance makes it a great choice for the back of garden borders.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
