Spotted Trumpet Weed Eutrochium maculatum
Other Common Name(s):
Previously known as:
- Eupatoriadelphus maculatus
- Eupatorium maculatum
- Eupatorium purpureum
- Eupatorium purpureum L. var. maculatum
- Phonetic Spelling
- yoo-TRO-kee-um mak-yuh-LAY-tum
- Description
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Eutrochium maculatum is an herbaceous native perennial wildflower, commonly known as Joe Pye Weed or Queen of the Meadow, that is useful as a tall plant in wet spaces. It displays clusters of purple blossoms through summer into fall. Joe Pye Weed prefers moist to wet soil and does best in sun to partial shade. This plant is resistant to damage by deer. It does best in average, medium to wet soils in full sun, but tolerates some light afternoon shade in hot summer climates. You can cut the plants to the ground in late winter. The root system is fibrous and rhizomatous. This plant often forms small clonal colonies. You can divide the plant in spring or fall and replant to a new site.
You can tell the difference between this plant and Eutrochium fistulosum by cutting a stem near the base of the plant. Eutrochium maculatum has solid pith running through the stem and Eutrochium fistulosum is hollow toward the base of the plant, filling out as the pith reaches the top of the stem.
Habitat: Marl fens, wet calcareous meadows, cove forests, grassy balds
Insects, Diseases, and Other Plant Problems: No serious problems. In the heat, leaves may become scorched if the soil is allowed to dry out.
- See this plant in the following landscape:
- Cultivars / Varieties:
- 'Gateway'
- Tags:
- Cultivars / Varieties:
- 'Gateway'
- Tags:
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Attributes:
- Genus:
- Eutrochium
- Species:
- maculatum
- Family:
- Asteraceae
- Life Cycle:
- Perennial
- Recommended Propagation Strategy:
- Division
- Seed
- Country Or Region Of Origin:
- Eastern North America
- Wildlife Value:
- Attracts butterflies and honeybees
- Play Value:
- Wildlife Food Source
- Dimensions:
- Height: 4 ft. 0 in. - 7 ft. 0 in.
- Width: 3 ft. 0 in. - 4 ft. 0 in.
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Whole Plant Traits:
- Plant Type:
- Herbaceous Perennial
- Native Plant
- Wildflower
- Habit/Form:
- Erect
- Growth Rate:
- Rapid
- Maintenance:
- Low
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Texture:
- Clay
- High Organic Matter
- Loam (Silt)
- Soil pH:
- Alkaline (>8.0)
- Soil Drainage:
- Moist
- Occasionally Wet
- Available Space To Plant:
- 6-feet-12 feet
- 12-24 feet
- NC Region:
- Mountains
- USDA Plant Hardiness Zone:
- 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
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Fruit:
- Display/Harvest Time:
- Fall
- Fruit Type:
- Achene
- Fruit Description:
- Hairy achene. Displays from August to November. Achenes are dispersed by the wind.
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Flowers:
- Flower Color:
- Pink
- Purple/Lavender
- Flower Inflorescence:
- Panicle
- Flower Value To Gardener:
- Fragrant
- Long Bloom Season
- Showy
- Flower Bloom Time:
- Fall
- Summer
- Flower Size:
- < 1 inch
- Flower Description:
- Flat-topped cluster of 8-20 purplish to dusky pink disk florets (no ray florets). Blooms from July to October
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Leaves:
- Leaf Color:
- Green
- Leaf Feel:
- Prickly
- Leaf Type:
- Simple
- Leaf Arrangement:
- Whorled
- Leaf Shape:
- Lanceolate
- Ovate
- Leaf Margin:
- Serrate
- Hairs Present:
- No
- Leaf Length:
- > 6 inches
- Leaf Width:
- 1-3 inches
- Leaf Description:
- 4 or 5 sharply toothed leaves in a whorl that grow to 8" long 2 1/2" wide. The upper leaf surfaces have conspicuous venation.
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Stem:
- Stem Color:
- Purple/Lavender
- Stem Is Aromatic:
- No
- Stem Cross Section:
- Round
- Pith (Split Longitudinally):
- Continuous homogeneous
- Stem Surface:
- Hairy (pubescent)
- Stem Description:
- Deep purple or purple-spotted branched stem with solid pith in the center. The central stem is stout, terete, and often covered with short fine hairs.
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Landscape:
- Landscape Location:
- Meadow
- Naturalized Area
- Landscape Theme:
- Butterfly Garden
- Cottage Garden
- Native Garden
- Pollinator Garden
- Rain Garden
- Design Feature:
- Border
- Attracts:
- Bees
- Butterflies
- Pollinators
- Songbirds
- Resistance To Challenges:
- Deer
- Rabbits
- Wet Soil