Milkweed

Swamp Milkweed Info - Tips For Growing Swamp Milkweed Plants

Swamp Milkweed Info - Tips For Growing Swamp Milkweed Plants
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  • Lester Lawrence

Swamp milkweed, as the name suggests, grows best in moist, wetland areas. It likes wet, clay soil, but it also prefers full sun. The plant is hardy in USDA zones 3 through 6, where it grows as a perennial. The plants spread naturally by wind-borne seeds and by creeping roots that spread out slowly under the ground.

  1. How do you care for swamp milkweed?
  2. How fast does swamp milkweed grow?
  3. Should I cut back swamp milkweed?
  4. When should I plant swamp milkweed?
  5. Where should I plant swamp milkweed?
  6. Does milkweed come back every year?
  7. Is swamp milkweed poisonous to dogs?
  8. Can swamp milkweed tolerate shade?
  9. Is swamp milkweed invasive?
  10. What can I plant with swamp milkweed?
  11. How many milkweed plants should I plant?
  12. Does Cinderella milkweed spread?

How do you care for swamp milkweed?

Watering: Swamp Milkweed varieties need either a naturally moist environment or regular watering. Whorled and Common Milkweeds, as well as Butterfly Weed, are suited to a dry environment. Fertilizing: Milkweed does not require fertilization. This native plant performs well in poor soils.

How fast does swamp milkweed grow?

Swamp milkweed seed requires light for germination. Germination is poor at temperatures higher than 85 degrees Fahrenheit. Seedlings should not be transplanted until they have at least one set of true leaves. Allow 4 to 8 weeks inside growing time for seedlings before moving to a cold frame or transplanting outside.

Should I cut back swamp milkweed?

It is recommended to prune the milkweed stalks to about 6 inches in height during the fall and winter months to discourage monarchs from establishing winter-breeding colonies. Cutting back the milkweed will also help to eliminate OE spores that may be present on the plant.

When should I plant swamp milkweed?

Plant Propagation:

Sow seeds directly in fall or spring. Start seeds indoors 2 months before final frost- cold stratification required. Winter sow for a natural cold stratification. Divide plants in late spring.

Where should I plant swamp milkweed?

Swamp milkweed, as the name suggests, grows best in moist, wetland areas. It likes wet, clay soil, but it also prefers full sun. The plant is hardy in USDA zones 3 through 6, where it grows as a perennial. The plants spread naturally by wind-borne seeds and by creeping roots that spread out slowly under the ground.

Does milkweed come back every year?

Perennial milkweeds grow back year after year. They provide habitat for traveling Monarch butterflies. If the milkweed is a perennial, like Asclepias curassavica (tropical milkweed) pictured above, you'll notice tiny leaves growing from the base of the plant at some point after the upper stems have been consumed.

Is swamp milkweed poisonous to dogs?

Myth #4: Because milkweed is toxic, you shouldn't plant it. Milkweed does contain toxins that can be harmful to pets, livestock and people. ... This sap contains toxins called cardiac glycosides or cardenolides, which are toxic to animals if consumed in large quantities.

Can swamp milkweed tolerate shade?

Swamp milkweed grows to a height of 3' to 4' and will form small colonies where conditions suit. Though it prefers full sun it is one of the more shade tolerant milkweeds and can take partial sun. The soft pink, lightly scented flowers are large and showy, and the lance-shaped leaves are well enjoyed by monarchs.

Is swamp milkweed invasive?

Swamp Milkweed (Asclepias incarnata)

Asclepias incarnata is a perennial, hardy in zones 3-8 (some reports include zone 9). It is a wetland plant but will do fine in medium moist conditions once established. ... Swamp milkweed is not invasive as some other milkweeds are and is well behaved in the garden.

What can I plant with swamp milkweed?

How many milkweed plants should I plant?

For gardens, we recommend that you plant about 20-30 milkweed plants per 100 square feet. Milkweed plants should be spaced 1 foot apart, placed in clusters of 3-4 milkweeds.

Does Cinderella milkweed spread?

When the seed pods open, they reveal seeds with long, silvery-white, silky hairs that look great in dried flower arrangements.
...
Requirements.

Hardiness3 – 9 What's My Zone?
ExposureFull Sun
Season of InterestSummer (Mid,Late) Fall
Height3' – 5' (90cm – 150cm)
Spread1' – 3' (30cm – 90cm)

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