Harvesting Joe Pye Weed Seeds

Learn EVERYTHING you need to know about Joe Pye Weed. What wildlife does it attract? How do you grow? Where can you buy this native plant? Joe Pye weed (Eupatoriadelphus fistulosus) is a wildflower native to the eastern half of the United States in USDA horticultural zones 3 to 9. It grows to 6 feet tall and has a hollow stem with large oblong leaves up to 10 inches long. The plants can form dense colonies if grown in the right conditions–damp or wet …

Harvesting Joe Pye Weed Seeds

In case you are unaware of Joe Pye Weed, it’s a gorgeous wildflower that grows up to 7 feet tall. When it’s in full bloom, it has a large plume of pinkish lavender flowers at the top that attracts many species of wildlife.

Please don’t let the fact that ‘weed’ appears in the name scare you away. Joe Pye Weed is definitely a flower you WANT in your backyard!

Many people have questions about Joe Pye Weed, such as how to grow, where to find, and if it’s a good fit in their backyard.

Today, I am going to answer all of your questions! Here is how the following post is organized:

What is Joe Pye Weed?
Why should you grow Joe Pye Weed? (5 reasons)
How do you grow Joe Pye Weed?
Common Pests and Diseases
Where can you find Joe Pye Weed? (3 places)
5 Fun Facts About Joe Pye Weed!

Let’s get started!

What is Joe Pye Weed?

Joe Pye Weed is the common name for plants that are in the genus Eutrochium. These flowering plants are NATIVE to the United States and Canada, which means they are highly recommended to plant in your yard! This large plant grows up to seven feet tall and is recognizable by its large pink flower clusters at the end of long stems.

Joe Pye Weed is a perennial, which means that the plant will come back year after year. You just need to plant it once, and you can enjoy this beautiful flowering plant each and every summer!

  • RELATED: 28 Common Flowers That Attract Hummingbirds (Native, Easy To Grow)

Bloom Time: Look for the flowers to bloom each August.

Habitat: Joe Pye Weed grows naturally at the edges of woodlands and wet meadows. It does best when planted in partial shade.

There are 5 species of wild Eutrochium found in North America:

Eutrochium dubium: Also known as Coastal Plain Joe Pye Weed, it’s located in the eastern USA and Canada, and its range extends from Nova Scotia to Georgia.

Eutrochium fistulosum: This species is also referred to as Hollow Joe Pye Weed, Trumpetweed, or Purple Thoroughwort. It thrives from southern Canada to the eastern and southern USA, from Maine west to Ontario, Wisconsin, and Missouri and south as far as Texas and Florida.

Eutrochium maculatum: Commonly called Spotted Joe Pye Weed, it’s found throughout much of the United States and Canada. It’s the only wild Joe Pye species that is located west of the Great Plains.

Eutrochium purpureum: This species is native to eastern and central North America. It’s commonly known as Purple Joe-Pye Weed, Kidney-root, Sweetscented Joe Pye Weed, and Sweet Joe Pye Weed.

Eutrochium steelei: Found only in the Appalachian Mountains in Kentucky, Virginia, Georgia, Tennessee, and North Carolina. This Joe Pye Weed species is commonly known as Steele’s eupatorium.

When you go shopping for Joe Pye Weed at your local garden center, you probably won’t find any of the wild species listed above. That’s OK, most of the options you will find at a store will be a cultivar of a wild variety.

Here is the Joe Pye Weed cultivar that is growing in my backyard:

‘Gateway’ is one of the most popular Joe Pye Weed varieties and common to find at many nurseries. I use this species at the back of my flower garden since it grows incredibly tall. It serves as a beautiful backdrop for the rest of my flowers!

Why should you grow Joe Pye Weed?

1. Joe Pye Weed Attracts Birds and Butterflies:

Joe Pye Weed, with its large clusters of tubular flowers, is an important native food source for wildlife. First, nectar-rich blooms attract a variety of bees and butterflies. The butterfly species that you can expect to see include skippers, fritillaries, and swallowtails.

  • RELATED: 20 PROVEN Plants That Attract Butterflies!
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Joe Pye Weed will also attract birds to your backyard. During the summer, it’s common to see hummingbirds sipping nectar from the flowers. Then once fall arrives, many birds, like the American Goldfinch, will feed on the seeds.

In addition, including tall plants like Joe Pye Weed provide shelter, cover, and protection, which can also encourage more songbirds to visit your garden.

2. Joe Pye Weed is native to North America.

Many native wildflowers (and their cultivated varieties) are important food sources for local birds and insects.

Native plants are also generally a more efficient and eco-friendly choice. Unlike domesticated varieties, native plants have evolved with your local climate and conditions. They’re well-suited to your area’s soil, temperature, and rainfall. They generally require less weeding, watering, and fertilizing than their cultivated counterparts.

  • RELATED: 22 PROVEN Flowers That Attract BEES!

3. It’s a Beautiful Addition to Your Flower Garden:

The tall plumes of Joe Pye Weed offer a stellar backdrop for other flowers. They don’t bloom until late summer or early fall, but their height means you can plant them behind smaller, earlier blooming varieties.

4. Joe Pye Weed is Deer Resistant!

Joe Pye Weed is deer resistant and these mammals typically leave it untouched.

5. It Has Surprising Health Benefits:

Lastly, Joe Pye Weed may have medicinal value.

According to folklore, Joe Pye Weed was named for a colonial-era Native American, Joe Pye, who used it to treat fevers and taught early colonists to use it to treat an outbreak of typhus.

While you probably won’t need to treat typhus, it’s a neat plant to have if you’re a history buff or interested in learning more about herbalism.

Please note that its medicinal value hasn’t been verified by modern science.

How do you grow Joe Pye Weed?

Joe Pye Weed is an incredibly hardy plant and can be grown in USDA plant hardiness zones 2-9. It thrives in partial shade to full sun. This native plant does best in moist areas, particularly along creeks, drainage ditches, and pond banks, but it can easily be grown in garden beds or along woodland edges in moist, fertile soil.

Starting From Seed

Joe Pye Weed is easy to start from seed. And once it’s established, it can spread quite easily, so keep this in mind when selecting a planting site.

To direct sow Joe Pye Weed, scatter seeds across the bed and lightly rake them in. Keep the soil moist until the ground freezes.

Alternatively, you can start the seeds indoors about five weeks before spring temperatures are consistently in the 50°Fs. Sow the seeds about 1/8 inch deep in containers of potting mix.

Keep the containers at around 70°F. Transplant your seedlings when they reach about 2 inches tall and plant them about 1 foot apart.

Watering

Proper watering for Joe Pye Weed is essential for it to thrive. Don’t allow the soil to stay dry for more than a few days. This advice is especially true while plants are getting established and during hot weather.

When watering, make sure you’re soaking the soil enough that the water is seeping down into the ground, and it’s not just the first inch that appears damp. To avoid evaporation, make sure to water in the early morning or evening.

Fertilizing

Joe Pye Weed shouldn’t require a lot of fertilizing. To help it thrive, add compost to your garden before planting.

Pruning

While pruning isn’t essential, you can cut the plants back to 4-8 inches in the spring. Joe Pye Weed blooms on the new season’s growth, so this won’t affect its flowering.

Dividing

Mature Joe Pye Weed plants can be divided in the fall after they go dormant. Each plant has a crown with multiple stems. To divide a crown, use a sharp shovel to cut the roots in between the stems.

Plant the separated piece at the same depth it was originally and resettle the soil around the rest of the crown.

Common Pests and Diseases:

It can be devastating when pests and diseases impact your garden. Thankfully, Joe Pye Weed tends to be relatively free of most of these problems!

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However, Joe Pye Weed is sometimes affected by a fungal disease called powdery mildew. You can recognize powdery mildew by the grayish-white splotches on both sides of the plant’s leaves. These blemishes can reduce the plant’s ability to photosynthesize and cause the leaves to dry up.

Powdery mildew can affect many plant species. It overwinters in the soil, and the spores spread to other plants in the wind. Powdery mildew thrives in high heat and humidity and shady areas with poor air circulation.

Preventing Powdery Mildew

You can also help prevent powdery mildew by keeping your soil healthy. Make sure to use mulch, and add good quality compost at least once per year. You should also leave plenty of space between plants to allow for good air circulation.

Any plants that are killed by powdery mildew should be destroyed to avoid contaminating your compost or soil.

Treating Powdery Mildew

If your plants have powdery mildew, it can be treated. There are some commercial fungicides available. Alternatively, there are a few easy home remedies that usually do the trick.

The first is to make a mixture of milk and water, about 60% milk. Add the solution to a spray bottle and spray your plants once a week while the fungus is present. It’s not known exactly why this works, but most think that the milk proteins interact with the sun to create an antiseptic effect. Any fungi are destroyed, but the plant is not hurt. A milk spray works best when it’s used preventatively.

Here is a video that provides some other ways to prevent and treat powdery mildew:

Where can you find Joe Pye Weed?

There are THREE places you can typically obtain Joe Pye Weed:

1. Online: View Cost – Amazon

A quick search on Amazon shows dozens of options for buying Joe Pye Weed seeds.

Are you looking for a live plant instead of seeds? I was able to find some on this website.

2. Local nursery or garden center:

I have had great luck finding this native plant at my local garden store. Since Joe Pye Weed doesn’t bloom until late summer, I have found that they don’t carry it until mid-summer. Please don’t panic if you can’t find any Joe Pye Weed in spring. Most nurseries rotate their offerings through the season to coordinate with bloom times.

If you have questions, then make sure to talk to a staff member or find another local expert, such as someone in a garden or butterfly club. Your local extension service may also be of assistance. To find the nearest one, click here.

3. Find some wild Joe Pye Weed:

Native varieties of Joe Pye Weed can often be found growing along roadsides and in wetland areas. If you’re feeling adventurous, you can collect your own seed from wild plants near your home. Be sure to ask for permission before going onto anyone’s property.

Recommended Varieties

There are several wild species of Joe Pye Weed found in the United States, as well as many cultivars. Species that can be found in the wild include Sweet Joe Pye Weed, Hollow Joe Pye Weed, and Coastal Plain Joe Pye Weed.

The foliage of Sweet Joe Pye Weed has a vanilla to apple scent when crushed. The flowers also have a vanilla scent which is a magnet for pollinators.

There are also several cultivars available.’ Gateway’ has dark red stems and dark purple or pink flowers. It’s prized for its vanilla-scented flowers. For folks with limited space,’ Baby Joe’ is a dwarf variety that reaches 3-4 feet. ‘ Chocolate’ is a unique choice because it has dark leaves, maroon stems, and white flowers.

5 Fun Facts About Joe Pye Weed!

#1. Joe Pye Weed is sometimes referred to as trumpetweed because its flowers resemble little trumpets.

#2. Joe Pye Weed used to be part of the genus Eupatorium (now it has its own genus Eutrochium ) which was named for Mithridates VI Eupator 132-63 B.C , King of Pontus. Some folklore suggests he used plants from this genus to build up his tolerance to poison.

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#3. The King’s American Dispensatory , a book first published in 1854, lists a variety of medical uses for Joe Pye Weed, including treating urinary tract pain and incontinence, reproductive issues, and stomach disorders.

#4. Herbalists today sometimes use Joe Pye Weed as a diuretic and to help pass kidney stones.

#5. Under optimum conditions, some varieties of Joe Pye Weed can reach 8 feet tall.

Final Thoughts

If you’re looking to add some native plants to your garden, consider Joe Pye Weed. It’s an autumn superstar that’s sure to attract butterflies, bees, hummingbirds, and songbirds to your garden.

How to Gather & Sow Seeds From Joe Pye Plants

Joe Pye weed (Eupatoriadelphus fistulosus) is a wildflower native to the eastern half of the United States in USDA horticultural zones 3 to 9. It grows to 6 feet tall and has a hollow stem with large oblong leaves up to 10 inches long. The plants can form dense colonies if grown in the right conditions–damp or wet rich soils. The flowers are attractive to a number of butterflies, and the plant can produce flowers during most of the growing season if conditions are suitable. Several improved varieties are available with brighter or darker blooms than the wild version.

Collect Joe Pye weed seeds by finding flower heads that are faded and dry and you can plainly see the tiny thin seeds still attached to the base of the flower heads. Each seed has a tiny bit of fluff attached to it so the wind can carry it away from the mother plant. Carefully cut the stem below where the seeds are attached to the old flower head with hand shears and place the old flower head in a paper bag. Seeds are usually available for harvest in late summer and early fall.

  • Joe Pye weed (Eupatoriadelphus fistulosus) is a wildflower native to the eastern half of the United States in USDA horticultural zones 3 to 9.
  • The flowers are attractive to a number of butterflies, and the plant can produce flowers during most of the growing season if conditions are suitable.

Shake the seed from the flower heads and store the seeds in the paper bag in a cool (60 to 75 degrees F) location. Store for as long as four weeks without refrigeration if you are planning on planting the seeds in the fall. If you are planting the seeds in the spring and holding them over the winter, store in an open paper bag in the refrigerator for at least six weeks. The cold temperatures increase the sprouting or germination rate.

Locate an area of the garden that stays moist and receives up to six hours of sun each day. Good air circulation around the planting bed is encouraged as Joe Pye weed is susceptible to mildew diseases. Joe Pye weed does not like weed competition, so make your planting area no deeper than 2 feet if planting against a wall or fence or 4 feet wide if planting in beds that have access on both sides. The reason for this is so you can reach into the beds and pull the weeds with damaging the tall, spindly plants.

  • Shake the seed from the flower heads and store the seeds in the paper bag in a cool (60 to 75 degrees F) location.

Remove all weeds and grasses from the planting area. Enrich the planting area with as much as a 3-inch layer of compost worked into the top 3 or 4 inches of soil. Rake the area smooth.

Spread the seeds over the planting area and slightly cover the seeds with a thin layer of soil. It is OK if some of the seeds can still be seen on the surface of the soil. Lightly water the seeds so they will adhere to the compost soil mixture and not blow away. If planting in the fall, they should not need any extra moisture until the next spring or summer when the plants need to be watered regularly. If planting in the spring, do not allow the soil to dry out until the plants are actively growing, then water regularly to keep the soil moist, but not wet.