Vernonia baldwini

Western Ironweed

Purple Vernonia baldwini, Vernonia baldwini, Western Ironweed

Western Ironweed is a durable, easy-to-grow wildflower that blooms in late summer with big flat topped clusters of vivid violet-purple flowers. Vernonia is an invaluable late season nectar source for butterflies and bees. A big, robust plant for the back of the border. Drought resistant/drought tolerant plant (xeric).

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Zones 5 - 9
Advantages
Deer Resistant
Deer Resistant
Attract Butterflies
Attract Butterflies
Rabbit Resistant
Rabbit Resistant
Light Requirements
Full Sun
Full Sun
Morning Sun & Afternoon Shade
Morning Sun & Afternoon Shade
Annual Rainfall
Drought Resistant / Waterwise
10 to 20", 20 to 30", 30 to 40" (with care)
Bloom Time Late summer to early fall
Shipping Shipping begins in late February based on ground temperatures, warmest zones first. Learn More…
Size Plant - 5" deep pot
SKU 97309

Details

30-60" tall x 18" wide (seed propagated). Western Ironweed is a durable, easy-to-grow wildflower from the country's midsection that adds invaluable late summer color to the garden. It is also a butterfly magnet as its showy clusters of vivid purple flowers are a favorite nectar source. Plant Ironweed in humus-rich soil in full sun at the back of a perennial garden or naturalize in a meadow or prairie. Stunning when planted with Goldenrod (Solidago).
SKU 97309
Common Name Western Ironweed
Botanical Name Vernonia baldwini
Zones 5, 6, 7, 8, 9
Light Requirements Full Sun, Morning Sun & Afternoon Shade
Flower Color Purple
Mature Height 30-60" tall
Mature Spread 18" wide
Bloom Time Late summer to early fall
Ships As Potted Plant
Planting Time Spring / Summer
Soil Moisture Drought Resistant / Waterwise
Amount of Rain 10 to 20", 20 to 30", 30 to 40" (with care)
Advantages Deer Resistant, Attract Butterflies, Rabbit Resistant
Ideal Region Anywhere In The US
Neonicotinoid-Free Yes - Learn More
Ships to Hawaii, Alaska & Canada No

Planting Guides

View more Planting Guides, or download our complete Planting Guide for tips on caring for your plants when you receive your order, as well as planting instructions for Perennials, Spring-Planted Bulbs, Fall-Planted Bulbs, Cacti & Succulents, Xeric Plants and more.

Shipping

Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Spring-Planted Perennial and Bulb orders will ship from February 27-June 30, warmest zones first. Most plant orders will arrive within 3-4 days, or less, of leaving our greenhouses. This prompt delivery is provided without additional express charges.

Grass Plugs Will ship at planting time in spring 2017, beginning in late February.

Wildflower Seed & Grass Seed Orders ship within 2-3 days.

Standard shipping costs are $4.99 and up, depending on the size of the order.

Make Fast Even Faster: For ‘Rush’ same week delivery, please call customer service at 800-925-9387.

More Shipping Info

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Q & A

USDA Hardiness Planting Zones

To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.

  • If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will survive the winter temperatures in your area.
  • If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack of freezing winter temperatures do not provide a time for winter dormancy (rest).

Find Your Planting Zone:

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