Butterfly Milkweed Water Conserving Asclepias Tuberosa Gay Butterflies Flower Seed

Milkweed Seeds - Butterfly Gay Butterflies

50 Seeds
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4.99
100 Seeds
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8.99

About...

Butterfly Milkweed Gay Butterflies (Asclepias Tuberosa) - Start some Butterfly Weed seeds for both your garden and your neighbor's as well! Asclepias Gay Butterflies is not only an attractive water conserving perennial but it is also a wonderful food source for many beneficial insects.

MORE BUTTERFLY WEED OPTIONS

Milkweed seeds - butterfly gay butterflies Milkweed seeds - butterfly Milkweed seeds - tropical Milkweed seeds - swamp carmine-rose Milkweed seeds - swamp white Milkweed seeds - butterfly hello yellow Milkweed seeds - swamp
ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

3 - 8

HEIGHT

28 inches

BLOOM SEASON

Summer and fall

BLOOM COLOR

Mix

ENVIRONMENT

Full sun

SOIL TYPE

Sharply-drained, even rocky, pH 5.8 - 7.2

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

60F

AVERAGE GERM TIME

28 - 42 days

LIGHT REQUIRED

Yes

DEPTH

Do not cover

SOWING RATE

2 - 4 seeds per plant

MOISTURE

Keep moist until germination

PLANT SPACING

24 inches

Butterfly Milkweed (Asclepias Tuberosa Gay Butterflies) - Start some Butterfly Weed seeds for both your garden and your neighbor's as well! Asclepias Gay Butterflies is not only an attractive drought tolerant perennial but it is also a wonderful food source for many beneficial insects. These Butterfly Weed giant flower heads are more than 5 inches across and in vivid shades of red, yellow, and orange. These vigorous Butterfly Weed plants can bloom from early summer until frost, and they flowers are also great for cutting.

Butterfly Weed AKA Milkweed is a trouble-free wonder in the sunny garden. It readily establishes from flower seed, and then it blooms unchecked through the most severe heat and drought. Winter-hardy as well, Asclepias Tuberosa Gay Butterflies returns for years to repeat its glorious show!

Many gardeners recommend a cold treatment to help Asclepias Tuberosa seeds germinate more quickly. To do this, dampen a paper towel, place the flower seeds on the towel and seal it in a ziploc bag. Place the bag in the refrigerator for 3 - 4 weeks. After the cold treatment, start the Butterfly Milkweed seeds indoors. Do not cover the flower seeds as they need light to germinate. Transplant the Butterfly Milkweed plants outdoors once temperatures are warm and plants have 4 - 5 leaves.

Common Questions

Q

What are some good companion plants for butterfly weed?

A

Perennial such as gayfeather, monarda, lavender, catmint and rudbeckia all work very well with butterfly weed.

Q

Can I encourage more blooms on my butterfly weed plants?

A

Butterfly weed should bloom freely once mature (typically 3 years). If your plants are mature and you are still not blooming well, there could be a couple of factors at play. Make sure to water regularly until new growth starts (leaves and stems not just blooms) then you can decrease your watering frequency. Also, butterfly weed should NOT be fertilized, this can actually discourage blooming. If your plant is not receiving enough sunlight this can also hinder blooming, consider moving to a new location.

Q

Do I need to prune my butterfly weed plants?

A

Butterfly weed does not need much pruning throughout the growing season, it can be cut back to the ground in late fall when leaves begin to yellow and stems turn brown. Do not mulch that can cause rot.

Q

Will butterfly weed attract other pollinators besides butterflies?

A

Yes, bees and hummingbirds also enjoy the butterfly weed plant.

Q

Can I use them as cut flowers?

A

Yes, these make an excellent quality cut flower for both floral arrangements and dried arrangements.

Q

Why not plant milkweed on the coast?

A

If you live in a coastal region or near a place where monarch butterflies overwinter, it is recommended to cultivate nectar plants like blazing star and bidens to aid the monarchs during their migration to and from the overwintering spot. Adult monarch butterflies rely on milkweed for reproduction, and the presence of milkweed misleads them into thinking it is a suitable location for breeding, thus disturbing their natural migration pattern.

ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

3 - 9

HEIGHT

28 inches

BLOOM SEASON

Summer and fall

BLOOM COLOR

Orange

ENVIRONMENT

Full sun

SOIL TYPE

Sharply-drained, even rocky, pH 5.8 - 7.2

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

60F

AVERAGE GERM TIME

28 - 42 days

LIGHT REQUIRED

Yes

DEPTH

Do not cover

SOWING RATE

2 - 4 seeds per plant

MOISTURE

Keep moist until germination

PLANT SPACING

24 inches

PLANTING SEASON

Fall, Spring

PLANT SPACING

12 inches

Butterfly Milkweed (Asclepias Tuberosa) - Butterfly Weed flower seed creates a beautiful butterfly-attracting plant. It has bright orange flower clusters that are flat and easy for butterflies to land on and drink the rich nectar. Being a member of the milkweed family, Butterfly Weed, will attract the monarch butterfly as well as other butterfly varieties. It is also resistant to drought.

Medicinal uses

The root of Butterfly Weed is the most commonly used part of the plant. It is broken down and powdered, used to treat pleurisy, a lung complication that causes trouble and pain with breathing.

butterfly milkweed flowers

Milkweed seed | butterfly

How to grow

How To Grow Butterfly Milkweed From Seed: Many gardeners recommend a cold treatment to help Asclepias Tuberosa seeds germinate more quickly. To do this, dampen a paper towel, place the flower seeds on the towel and seal it in a ziploc bag. Place the bag in the refrigerator for 3 - 4 weeks. After the cold treatment, start the Butterfly Weed seeds indoors. Do not cover the flower seeds as they need light to germinate.

Transplant the Butterfly Weed plants outdoors once temperatures are warm and plants have 4 - 5 leaves. Butterfly Weed care would include following a regular watering schedule during the first growing season to establish a deep, extensive root system. After established, it is considered quite drought tolerant.  For a neat appearance, remove old foliage before new leaves emerge. Divide clumps every 2 - 3 years in early spring.

  • Sowing Rate: 2 - 4 seeds per plant
  • Average Germ Time: 28 - 42 days
  • Keep moist until germination
  • Attracts bees, butterflies and hummingbirds
  • Depth: Do not cover
milkweed butterfly seeds

Flower Specifications

Asclepias Tuberosa plants are hardy and drought resistant. The blooms are followed by seed pods 4 - 5 inches long containing the seeds with their long silky hairs. The plant will die back to the root crown each winter, and it is slow to emerge in the spring. The foliage is lovely, too, extending its beauty beyond bloom time.

  • Height: 28 inches
  • USDA Zones: 3 - 9
  • Season: Perennial
  • Deer Resistant: Yes
  • Drought Tolerant: Yes

Common Questions

Q

What are some good companion plants for butterfly weed?

A

Perennial such as gayfeather, monarda, lavender, catmint and rudbeckia all work very well with butterfly weed.

Q

Can I encourage more blooms on my butterfly weed plants?

A

Butterfly weed should bloom freely once mature (typically 3 years). If your plants are mature and you are still not blooming well, there could be a couple of factors at play. Make sure to water regularly until new growth starts (leaves and stems not just blooms) then you can decrease your watering frequency. Also, butterfly weed should NOT be fertilized, this can actually discourage blooming. If your plant is not receiving enough sunlight this can also hinder blooming, consider moving to a new location.

Q

Do I need to prune my butterfly weed plants?

A

Butterfly weed does not need much pruning throughout the growing season, it can be cut back to the ground in late fall when leaves begin to yellow and stems turn brown. Do not mulch that can cause rot.

Q

Will butterfly weed attract other pollinators besides butterflies?

A

Yes, bees and hummingbirds also enjoy the butterfly weed plant.

Q

Can I use them as cut flowers?

A

Yes, these make an excellent quality cut flower for both floral arrangements and dried arrangements.

Q

Why not plant milkweed on the coast?

A

If you live in a coastal region or near a place where monarch butterflies overwinter, it is recommended to cultivate nectar plants like blazing star and bidens to aid the monarchs during their migration to and from the overwintering spot. Adult monarch butterflies rely on milkweed for reproduction, and the presence of milkweed misleads them into thinking it is a suitable location for breeding, thus disturbing their natural migration pattern.

ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

8 - 11

HEIGHT

24 - 32 inches

BLOOM SEASON

Summer and fall

BLOOM COLOR

Red

ENVIRONMENT

Full sun

SOIL TYPE

Moist, well-drained, pH 6.1 - 7.5

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

60F

AVERAGE GERM TIME

14 - 28 days

LIGHT REQUIRED

No

DEPTH

Do not cover

SOWING RATE

5 ounces per 1,000 square feet or 2 - 4 seeds per plant

MOISTURE

Keep seeds moist until germination

PLANT SPACING

24 inches

CARE & MAINTENANCE

Butterfly Weed

Tropical Milkweed (Asclepias Curassavica) - Here are more Tropical Milkweed seeds that produce tender evergreen perennials. Butterflies love this plant, and it provides a great food source for them! Commonly called Mexican Butterfly Weed, Blood Flower or Tropical Milkweed, these showy plants have blooms in the colors or red, orange and yellow.

Medicinal uses

In addition to bees and butterflies being attracted to Bloodflower plants, they are also used medicinally. Milkweed sap can be applied to skin to remove warts. The roots and leaves were used to cure dysentery, suppress coughs, and to treat fever and asthma.

tropical milkweed flowers

Milkweed seed | tropical

How to grow

How To Grow Milkweed From Seed: Sow Butterfly Weed seeds early in the spring. Transplant seedlings outdoors after danger of frost has passed. Mexican Butterfly Weed plants require a sunny spot in moist, fertile soil. They are not as drought tolerant as other species of milkweeds. Keep the Bloodflower plants uniformly moist, but not saturated.

Pinch the tops of the plants to induce a bushy habit and provide more flowering branches. Blood Flower herb seeds can be grown as an annual in cooler climates. Sow flowers seeds indoors and transplant outdoors. Mexican Butterfly Weed seed is also considered to be a wildflower seed and once established, it will bloom until fall frosts.

  • Sowing Rate: 5 ounces per 1,000 square feet or 2 - 4 seeds per plant
  • Average Germ Time: 8 - 11 days
  • Keep seeds moist until germination
  • Attracts bees and butterflies
  • Depth: Do not cover
mexican butterfly weed

Flower Specifications

The bloom season is long, lasting from early summer up until the first frost. The Tropical Milkweed herb is a tender perennial that if grown in containers can be wintered indoors for areas were there are freezing temperatures.

  • Height: 24 - 32 inches
  • USDA Zones: 8 - 11
  • Season: Perennial
  • Deer Resistant: Yes

Common Questions

Q

How is blood flower used in the landscape?

A

Blood flower is a great addition to perennial borders, cottage gardens, and meadow gardens. For the best visual impact, its slender and airy growth style complements well when combined with other tall plants that have a relaxed growth pattern. Consider mixing it with other milkweeds, coneflowers, asters, Liatris, and ornamental grasses. While this plant has traditionally been popular in butterfly gardens, some experts now recommend using different native milkweed species instead.

Q

Will deer eat blood flower?

A

No, blood flowers are typically avoided by deer.

Q

Should I prune back my blood flower plants?

A

Yes, blood flowers can disrupt the natural migratory route of monarch butterflies, it is advisable to prevent them from seeding and spreading, particularly in regions without severe winters. Trim the plants at ground level during autumn to prevent seeding. In locations with mild winters, prune the blood flowers every few weeks to avoid year-round flowering.

Q

Can I grow my plants in containers?

A

Yes, blood flowers are pretty easy to grow in a container. Use a fairly large, deep container to provide room for the tap root. Use regular commercial potting mix and blend with vermiculite or extra perlite to improve drainage. Plants will need watered regularly in containers.

Q

Are blood flower plants a good attractant for the monarch butterfly?

A

Bloodflower is a host for the parasite Ophryocystis elektroscirrha, which can weaken monarch butterfly populations. Also, blood flowers may harm monarch butterflies in zones where the plant is perennial, because monarchs continue to feed on blood flower into winter, disturbing their migration.

Q

What are some good companion plants for butterfly weed?

A

Perennial such as crocosmia, anthemis, kniphofia and agapanthus all go well with common milkweed.

ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

3 - 8

HEIGHT

24 - 48 inches

BLOOM SEASON

Summer and fall

BLOOM COLOR

Rose

ENVIRONMENT

Full sun

SOIL TYPE

Consistently moist, pH 6.1 - 7.5

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

40F

AVERAGE GERM TIME

21 - 28 days

LIGHT REQUIRED

No

DEPTH

Do not cover

SOWING RATE

4 seeds per plant

MOISTURE

Keep moist until germination

PLANT SPACING

24 inches

Swamp Milkweed (Asclepias Incarnata Carmine - Rose) - This cousin of Butterfly Weed known as Swamp Milkweed blooms the first year from flower seed and tolerates heat, humidity, and even drought! Asclepias Incarnata flowers are fragrant, colorful, and carefree! Growing Asclepias flower seeds is so rewarding knowing that these plants will soon be providing a food source for beneficial insects.


Nice for cutting

Butterfly Weed flowers are also nice for cutting, and the blooms are long-lasting in fresh and dried bouquets. Swamp Milkweed has flat-topped flower clusters that are easy for butterflies to land on, and they are vanilla-scented and rich in nectar.

milkweed rose flowers

Milkweed seed | carmine-rose

How to grow

How To Grow Milkweed From Seed: Many gardeners recommend a cold treatment to help Butterfly Weed seeds germinate more quickly. To do this, dampen a paper towel, place the flower seeds on the towel and seal it in a ziploc bag. Place the bag in the refrigerator for 3 - 4 weeks.

After the cold treatment, start the Butterfly Weed seeds indoors. Do not cover the flower seeds as they need light to germinate. Transplant the Butterfly Weed plants outdoors once temperatures are warm and the plants have 4 - 5 leaves.

  • Sowing Rate: 4 seeds per plant
  • Average Germ Time: 21 - 28 days
  • Keep moist until germination
  • Attracts bees, butterflies and hummingbirds
  • Depth: Do not cover
carmine rose milkweed

Flower Specifications

Asclepias Incarnata is prized for attracting monarch butterflies, and its foliage is sufficiently tender for larvae to feed on making this plant very valuable to the monarch butterfly population. This native American plant loves full sun and thrives in heat, humidity, and even drought. Butterfly Weed plants prefer full sun and well-draining soil.

  • Height: 24 - 48 inches
  • USDA Zones: 3 - 8
  • Season: Perennial
  • Deer Resistant: Yes
  • Drought Tolerant: Yes

Common Questions

Q

Is swamp milkweed invasive?

A

When grown in its natural habitat in the eastern U.S. and Canada, swamp milkweed is not considered invasive. However, it does tend to spread, so if this is a worry, consider planting it in a container or a spacious planter.

Q

Should you deadhead swamp milkweed?

A

Removing spent flowers is not necessary but can be done for. neater appearance and it can prolong the bloom.

Q

Why isn’t my swamp milkweed blooming?

A

If your swamp milkweed is not blooming, it might be due to the plant's young age. Milkweed may not produce flowers in its initial year as it focuses on root development. Additionally, an abundance of nitrogen in the soil, like runoff from a fertilized lawn, can hinder blooming. Also, plants experiencing drought, heat stress or not enough sunlight will also fail to blossom.

Q

Can I grow my plants in containers?

A

Yes, swamp milkweed is pretty easy to grow in a container. Use a container at least 14 inches in diameter with good drainage holes. Terra cotta works great due to its heavier weight. Use regular commercial potting mix and blend with vermiculite or extra perlite to improve drainage. Plants will need watered regularly in containers. Re-pot when roots start to grow out of drainage holes.

ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

3 - 9

HEIGHT

36 - 48 inches

BLOOM SEASON

Summer and fall

BLOOM COLOR

White

ENVIRONMENT

Full sun

SOIL TYPE

Consistently moist, pH 6.1 - 7.5

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

40F for 2 - 3 weeks; followed by 68 - 72F

AVERAGE GERM TIME

21 - 28 days

LIGHT REQUIRED

No

DEPTH

Do not cover

SOWING RATE

4 seeds per plant

MOISTURE

Keep moist until germination

PLANT SPACING

24 inches

Swamp Milkweed (Asclepias Incarnata White) - Asclepias Incarnata Ice Ballet is a marvelous long-blooming, bright white cousin of Butterfly Weed. It readily establishes from Asclepias flower seeds, and it produces clear white flowers and dark green foliage. Flowers are long lasting and bloom early summer and into the fall depending on the weather. The flowers, which are heavily laden with nectar and pollen, are particularly attractive to hummingbirds, butterflies, bees, and other beneficial insects.

Great cut flower

Asclepias Swamp Milkweed is actually a prized perennial for attracting monarch butterflies and supporting the monarch caterpillars. Asclepias Ice Ballet makes a great garden flower or cut flower.

milkweed white flowers

Milkweed seed | white

How to grow

How To Grow Swamp Milkweed From Seed: Butterfly Weed seeds may have improved germination after a cold treatment. Dampen a paper towel, place the flower seeds on the towel and seal in a ziploc bag. Place the bag in the refrigerator for 3 - 4 weeks.

After the cold treatment, sow Asclepias flowers seeds indoors early in the spring. Transplant seedlings outdoors after danger of frost has passed. Full sun is best and some shade is tolerated, though blooming time and color may suffer.

  • Sowing Rate: 4 seeds per plant
  • Average Germ Time: 21 - 28 days
  • Keep moist until germination
  • Attracts bees, butterflies and hummingbirds
  • Depth: Do not cover
white milkweed seeds

Flower Specifications

Asclepias Incarnata seeds are a great way to grow these virtually hassle-free perennials that offer three to four months of vanilla-scented, white flowers in clean clusters. Deadheading the flowers will stimulate another bloom cycle about a month after the first one.

  • Height: 36 - 48 inches
  • USDA Zones: 3 - 9
  • Season: Perennial
  • Deer Resistant: Yes

Common Questions

Q

Is swamp milkweed invasive?

A

When grown in its natural habitat in the eastern U.S. and Canada, swamp milkweed is not considered invasive. However, it does tend to spread, so if this is a worry, consider planting it in a container or a spacious planter.

Q

Should you deadhead swamp milkweed?

A

Removing spent flowers is not necessary but can be done for. neater appearance and it can prolong the bloom.

Q

Why isn’t my swamp milkweed blooming?

A

If your swamp milkweed is not blooming, it might be due to the plant's young age. Milkweed may not produce flowers in its initial year as it focuses on root development. Additionally, an abundance of nitrogen in the soil, like runoff from a fertilized lawn, can hinder blooming. Also, plants experiencing drought, heat stress or not enough sunlight will also fail to blossom.

Q

Can I grow my plants in containers?

A

Yes, swamp milkweed is pretty easy to grow in a container. Use a container at least 14 inches in diameter with good drainage holes. Terra cotta works great due to its heavier weight. Use regular commercial potting mix and blend with vermiculite or extra perlite to improve drainage. Plants will need watered regularly in containers. Re-pot when roots start to grow out of drainage holes.

ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

3 - 8

HEIGHT

24 inches

BLOOM SEASON

June - August

BLOOM COLOR

Yellow

ENVIRONMENT

Full sun

SOIL TYPE

Deep, gritty sharply-drained soils. Tolerant of gritty, even rocky soils; pH 5.8 - 7.2

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

60F

AVERAGE GERM TIME

28 - 42 days

LIGHT REQUIRED

Yes

DEPTH

Do not cover

SOWING RATE

2 seeds per plant

MOISTURE

Keep seed moist until germination

PLANT SPACING

24 inches

Butterfly Milkweed (Asclepias Tuberosa Hello Yellow) - Starting Butterfly Weed seeds is so rewarding, and soon this treasured drought tolerant perennial will have many visitors! Hello Yellow Butterfly Weed produces many golden yellow, flat-topped flower clusters in early June which will last for months. Green pods full of flower seeds with silky white hairs follow the flowers.

Great for cutting

As the name implies, Butterfly Weed is an important plant for attracting a variety of butterflies to your property, especially monarch butterflies. Butterfly Milkweed flowers are also great for cutting.

milkweed yellow flowers

Milkweed seed | hello yellow

How to grow

How To Grow Milkweed From Seed: Many gardeners recommend a cold treatment to help Asclepias Tuberosa seeds germinate more quickly. To do this, dampen a paper towel, place the flower seeds on the towel and seal it in a ziploc bag. Place the bag in the refrigerator for 3 - 4 weeks.

After the cold treatment, start the Butterfly Milkweed seeds indoors. Do not cover the flower seeds as they need light to germinate. Transplant the Butterfly Weed plants outdoors once temperatures are warm and plants have 4 - 5 leaves.

  • Sowing Rate: 2 seeds per plant
  • Average Germ Time: 28 - 42 days
  • Keep moist until germination
  • Attracts bees, butterflies and hummingbirds
  • Depth: Do not cover
hello yellow milkweed

Flower Specifications

Asclepias Tuberosa Hello Yellow Milkweed has flower colors which range from lemony yellow to tangerine yellow. Butterflies land easily on the flat flower clusters and feed on the rich nectar of these Butterfly Weed plants. These perennials prefer a position in full sun and like dry, well-draining, even gritty soil.

  • Height: 24 inches
  • USDA Zones: 3 - 8
  • Season: Perennial
  • Deer Resistant: Yes
  • Drought Tolerant: Yes

Common Questions

Q

What are some good companion plants for butterfly weed?

A

Perennial such as gayfeather, monarda, lavender, catmint and rudbeckia all work very well with butterfly weed.

Q

Can I encourage more blooms on my butterfly weed plants?

A

Butterfly weed should bloom freely once mature (typically 3 years). If your plants are mature and you are still not blooming well, there could be a couple of factors at play. Make sure to water regularly until new growth starts (leaves and stems not just blooms) then you can decrease your watering frequency. Also, butterfly weed should NOT be fertilized, this can actually discourage blooming. If your plant is not receiving enough sunlight this can also hinder blooming, consider moving to a new location.

Q

Do I need to prune my butterfly weed plants?

A

Butterfly weed does not need much pruning throughout the growing season, it can be cut back to the ground in late fall when leaves begin to yellow and stems turn brown. Do not mulch that can cause rot.

Q

Will butterfly weed attract other pollinators besides butterflies?

A

Yes, bees and hummingbirds also enjoy the butterfly weed plant.

Q

Can I use them as cut flowers?

A

Yes, these make an excellent quality cut flower for both floral arrangements and dried arrangements.

Q

Why not plant milkweed on the coast?

A

If you live in a coastal region or near a place where monarch butterflies overwinter, it is recommended to cultivate nectar plants like blazing star and bidens to aid the monarchs during their migration to and from the overwintering spot. Adult monarch butterflies rely on milkweed for reproduction, and the presence of milkweed misleads them into thinking it is a suitable location for breeding, thus disturbing their natural migration pattern.

ABOUT
FAQ's
VIDEOS

Flower Specifications

SEASON

Perennial

USDA ZONES

3 - 8

HEIGHT

48 - 60 inches

BLOOM SEASON

Summer and fall

BLOOM COLOR

Pink

ENVIRONMENT

Full sun

SOIL TYPE

Consistently moist, pH 6.1 - 7.5

DEER RESISTANT

Yes

HOUSE PLANT

No

Planting Directions

TEMPERATURE

40F

AVERAGE GERM TIME

21 - 28 days

LIGHT REQUIRED

No

DEPTH

Do not cover

SOWING RATE

4 seeds per plant

MOISTURE

Keep moist until germination

PLANT SPACING

24 inches

Swamp Milkweed (Asclepias Incarnata) - This cousin of Butterfly Weed known as Swamp Milkweed blooms the first year from flower seed and tolerates heat, humidity, and even drought! Asclepias Incarnata flowers are fragrant, colorful, and carefree! A magnet for butterflies, Swamp Milkweed has flat-topped flower clusters that are easy for butterflies to land on, and they are vanilla-scented and rich in nectar. Growing Asclepias flower seeds is so rewarding knowing that these plants will soon be providing a food source for beneficial insects. Plants are typically found along streams and ditches or in moist areas of meadows and prairies.  Plants grow 4 to 5 feet tall and have clusters of pink to mauve flowers at the tops of branches.

Asclepias Incarnata is prized for attracting monarch butterflies, and its foliage is sufficiently tender for larvae to feed on making this plant very valuable to the monarch butterfly population. Swamp Milkweed flowers are also nice for cutting, and the blooms are long-lasting in fresh and dried bouquets. This native American plant loves full sun and thrives in heat, humidity, and even drought. Swamp Milkweed plants prefer full sun and well-draining soil.

Many gardeners recommend a cold treatment to help Swamp Milkweed seeds germinate more quickly. To do this, dampen a paper towel, place the flower seeds on the towel and seal it in a ziploc bag. Place the bag in the refrigerator for 3 - 4 weeks. After the cold treatment, start the Swamp Milkweed seeds indoors. Do not cover the flower seeds as they need light to germinate. Transplant the Swamp Milkweed plants outdoors once temperatures are warm and the plants have 4 - 5 leaves.

Common Questions

Q

Is swamp milkweed invasive?

A

When grown in its natural habitat in the eastern U.S. and Canada, swamp milkweed is not considered invasive. However, it does tend to spread, so if this is a worry, consider planting it in a container or a spacious planter.

Q

Should you deadhead swamp milkweed?

A

Removing spent flowers is not necessary but can be done for. neater appearance and it can prolong the bloom.

Q

Why isn’t my swamp milkweed blooming?

A

If your swamp milkweed is not blooming, it might be due to the plant's young age. Milkweed may not produce flowers in its initial year as it focuses on root development. Additionally, an abundance of nitrogen in the soil, like runoff from a fertilized lawn, can hinder blooming. Also, plants experiencing drought, heat stress or not enough sunlight will also fail to blossom.

Q

Can I grow my plants in containers?

A

Yes, swamp milkweed is pretty easy to grow in a container. Use a container at least 14 inches in diameter with good drainage holes. Terra cotta works great due to its heavier weight. Use regular commercial potting mix and blend with vermiculite or extra perlite to improve drainage. Plants will need watered regularly in containers. Re-pot when roots start to grow out of drainage holes.

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