Spotted Joe-pye Weed (Eutrochium maculatum)

Spotted Joe-pye Weed

Eutrochium maculatum

Spotted Joe-pye Weed is a tall, showy perennial reaching heights of 2 to 10 feet. It features large, pinkish-purple flower clusters that bloom from mid to late summer, attracting numerous pollinators, including butterflies and bees. This species thrives in moist meadows, wet prairies, and along streambanks, preferring rich, well-drained soils. Historically, it was used in traditional medicine by Indigenous peoples for treating fevers and kidney ailments. In landscapes, it is excellent for rain gardens, wetland restorations, and naturalized plantings, providing vertical interest and late-season nectar.

Characteristics

Product Form	Plant, Seed
Type	Forb
Sun	Full Sun, Partial Sun
Soil	Clay, Loam, Sand/Gravel, Peat, Calcareous
Moisture	Wet
Average Max Height (inches)	70
Suggested Plant Spacing (inches)	15
Bloom month(s)	July, August, September
Bloom Color or Type	Pink, Violet
Dominance	High

Range Maps

Sowing Information

Sow seed onto a firm, weed-free seedbed. Hand-broadcast seed making two perpendicular passes for even coverage. If planting a mix, broadcast the grass component first and lightly rake/drag it into the top 1/8–1/4" of soil. Next, broadcast wildflower/forb seed and press it into the soil surface (with a roller/cultipacker or the back of a rake) to ensure good seed-to-soil contact. After seeding, apply a very light layer of clean, seed-free straw (or other weed-free, site-appropriate mulch) to reduce erosion and retain moisture without smothering seedlings. A good rainfall or thorough watering will help settle seed and mulch and improve germination.

Planting Information

Dig a hole in your planting site slightly larger than the plant’s root system. When placing the plant into the hole, ensure that the soil line remains consistent with its original level in the pot. Fill in around the roots with the excavated soil, gently firming it to eliminate air pockets. Water the plant thoroughly the same day to promote successful establishment.