Swamp Milkweed
Best perennial for gardeners looking to support local monarch butterfly populations.
Discover the beauty and ecological benefits of Swamp Milkweed, a native perennial plant from Holly Days Nursery. This striking plant features vibrant clusters of pink to purple flowers that bloom for approximately six weeks in the fall, creating a stunning visual display. It's a vital food source for pollinators, especially monarch butterflies, making it an ideal addition to any wildlife or pollinator-friendly garden. Swamp Milkweed thrives in moist, well-drained soil and prefers full sun to partial shade, reaching a mature height of 3 to 5 feet.
$11.99
Owner Satisfaction
4.6
/ 5
Category Rank
1078
/ 2705
#1078 in Plants
Price vs Category Average
-73%
Below average
Size Available
1
/ gallon
Who it's for
- Conservationists dedicated to supporting Monarch butterfly populations
- Gardeners managing damp, poorly drained landscape areas
- Pollinator enthusiasts looking to attract bees and hummingbirds
Who should skip it
- Low-maintenance gardeners wanting to avoid frequent weeding
- Owners of dry, sandy, or well-drained garden plots
- Families with curious pets or small children
Performance breakdown
Pollinator Impact
A premier choice for supporting monarch butterfly populations and local ecosystems.
Visual Appeal
Vibrant floral clusters provide a striking focal point for autumn landscapes.
Hardiness
Native perennial status ensures reliable growth and resilience in regional climates.
Site Versatility
Thrives in various light conditions but requires consistent soil moisture management.
Bloom Duration
Six weeks of color offers a solid, predictable window for seasonal interest.
Growth Potential
Reaches an impressive height, creating substantial vertical structure in garden beds.
Key Specs
Size Available
1 gallon
Bloom Color
Pink, White, or Purple
Bloom Time
Fall
Length of Bloom
6 weeks
Mature Height
3 to 5 feet
Mature Spread
2 to 3 feet
Light Preference
Full sun to partial shade
Soil Drainage
Well-drained
Features
- Vibrant pink to purple flower clusters
- Attracts monarch butterflies
- Native perennial plant
- Enhances pollinator gardens
- Blooms for about 6 weeks
- Supports local wildlife
What customers say
Customers consistently praise the exceptional quality of the Swamp Milkweed, noting the plants arrive healthy and well packaged. Reviewers frequently highlight the ease of establishment, even in varied garden conditions, making this a reliable choice for attracting monarch butterflies. The vigorous growth and successful blooming confirm its value as a foundational native plant. Gardeners appreciate the immediate impact and the strong root systems provided by Holly Days Nursery.
Know before you buy
Despite its name, Swamp Milkweed does not need to be planted in standing water. It thrives in moist, well-drained soil, making it a versatile choice for garden beds that hold moisture well.
At maturity, Swamp Milkweed reaches a height of 3 to 5 feet and a spread of 2 to 3 feet. You should space your plants at least 2 feet apart to ensure adequate airflow and room for growth.
Yes, Swamp Milkweed is a vital host plant for monarch butterflies. It provides both nectar for adults and a necessary food source for monarch caterpillars.
Swamp Milkweed performs best in full sun to partial shade. For the most vibrant blooms, aim for a spot that receives at least six hours of direct sunlight daily.
No, Asclepias incarnata is a native perennial, meaning it is naturally adapted to the local ecosystem. It is well-behaved in garden settings and does not spread aggressively like some non-native species.
Still have a question?
Ask Hayley anything about this product before you decide.
Ready to buy?
$12