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Swamp Milkweed

Category:

A wonderful selection for attracting butterflies to garden beds and rain gardens; this upright selection features clusters of rosy-pink, fragrant flowers and green narrow foliage; a compact variety that is easy to grow, needing little to no maintenance

Characteristics

Species:
incarnata
Other Species Names:
Butterfly Weed
Average Landscape Height:
3 feet (4 feet with the flowers)
Average Landscape Width:
32 inches
Genus:
Asclepias
Branching:
herbaceous
Plant Form:
upright spreading
Canopy:
leggy
Growth Rate:
medium
Pruning:
spring cleanup
Flower Color:
fuchsia
Flower Bicolor:
rose
Flower Period:
from mid summer to early fall
Summer Foliage Color:
gray green
Maximum Light:
full sun
Minimum Light:
partial shade
Maximum Moisture:
wet
Minimum Moisture:
average

Ornamental Features

Swamp Milkweed has fuchsia flat-top flowers with rose overtones at the ends of the stems from mid summer to early fall. The flowers are excellent for cutting. Its narrow leaves remain grayish green in color throughout the season.

Landscape Attributes

Swamp Milkweed is an herbaceous perennial with an upright spreading habit of growth. Its medium texture blends into the garden, but can always be balanced by a couple of finer or coarser plants for an effective composition.

Planting & Growing

Swamp Milkweed will grow to be about 3 feet tall at maturity extending to 4 feet tall with the flowers, with a spread of 32 inches. It tends to be leggy, with a typical clearance of 1 foot from the ground, and should be underplanted with lower-growing perennials. It grows at a medium 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 is quite adaptable, prefering to grow in average to wet conditions, and will even tolerate some standing water. It is not particular as to soil type or pH. It is quite intolerant of urban pollution, therefore inner city or urban streetside plantings are best avoided. This species is native to parts of North America.

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