Narrowleaf Ironweed

Vernonia lettermannii

Narrowleaf Ironweed

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Height : 3 feet
Spread: 30 inches
Sunlight: full sun to partial shade
Water Usage: average to moist
Landscape Use: Accent, Mass Planting, General Garden Use, Container Planting
Flower Color: Purple
Bloom Period:From Mid To Late Summer
Foliage Type: deciduous
Foliage Color: Green
Deer Resistant?: No

Quick Description
This compact, well branched variety has lovely fine textured foliage; long blooming masses of purple flowers in late summer; great for borders or massed as an accent; very undemanding and drought tolerant
Other Names: Ironweed

What Makes it Special?
Narrowleaf Ironweed is covered in stunning ray-like plumes of purple flowers with hot pink eyes at the ends of the stems from mid to late summer. Its attractive narrow leaves remain dark green in color throughout the season.


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Landscape Attributes
Narrowleaf Ironweed is an herbaceous perennial with a mounded form. It brings an extremely fine and delicate texture to the garden composition and should be used to full effect.

This is a relatively low maintenance plant, and should be cut back in late fall in preparation for winter. It is a good choice for attracting bees, butterflies and hummingbirds to your yard. It has no significant negative characteristics.

Planting & Growing
Narrowleaf Ironweed will grow to be about 3 feet tall at maturity, with a spread of 30 inches. When grown in masses or used as a bedding plant, individual plants should be spaced approximately 24 inches apart. Its foliage tends to remain dense right to the ground, not requiring facer plants in front. It grows at a fast rate, and under ideal conditions can be expected to live for approximately 10 years. As an herbaceous perennial, this plant will usually die back to the crown each winter, and will regrow from the base each spring. Be careful not to disturb the crown in late winter when it may not be readily seen!

This plant does best in full sun to partial shade. It does best in average to evenly moist conditions, but will not tolerate standing water. It is not particular as to soil type or pH. It is highly tolerant of urban pollution and will even thrive in inner city environments. This species is not originally from North America. It can be propagated by division.

Narrowleaf Ironweed is a fine choice for the garden, but it is also a good selection for planting in outdoor pots and containers. Because of its height, it is often used as a ‘thriller’ in the ‘spiller-thriller-filler’ container combination; plant it near the center of the pot, surrounded by smaller plants and those that spill over the edges. It is even sizeable enough that it can be grown alone in a suitable container. Note that when growing plants in outdoor containers and baskets, they may require more frequent waterings than they would in the yard or garden.

Want more info on sizes?
IndyPlants sells landscape size plant material. These often come in black nursery containers and are classified in sizes such as #2, #3, #5, etc. This correlates to the volume of the container, 2 gallon, 3, gallon, 5 gallon, etc. The bigger the number, the larger the pot, and the larger the plant. You’ll also see larger sizes such as 2” BB, 2.5” BB, 3” BB, etc. This stands for ‘Balled & Burlapped’. These plants are usually much larger and are not transported in black nursery pots. The sizing correlates to the diameter of the trunk of the tree.

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If there’s a problem with a plant you’ve ordered from us, we’ll make it right. Period. Drop us a line at support@indyplants.com with a brief description and photos, and we’ll get back to you ASAP.

Do you accept returns?

We do our best to handpick only the best quality plants from trusted, local nurseries. If for whatever reason your order doesn’t meet your expectations, you can return your plants for a full refund within 48 hours of delivery.

Do your plants have a warranty?

Nature can take a toll on even the best cared for plants. If your plant dies within one year from the date it was delivered, you’ll get an exact replacement to the best of our ability. If you’d prefer a substitution or a full refund, we’ve got you covered.