All about Butterfly Bush (Buddleia): Varieties, Planting, Growing & Caring

All about Butterfly Bush (Buddleia): Varieties, Planting, Growing & Caring

With a name like Butterfly Bush, you can look forward to a plant that will be appealing to butterflies. It’s Buddleia, a magnet for all the butterflies that cross your garden looking for nectar. As a result, many people enjoy growing them in their garden as a vibrant addition. In this article, gardenhow.net will provide you with advice on planting Buddleia and caring for them.  

All about Butterfly Bush (Buddleia)

Butterfly Bush (Buddleia)
Butterfly Bush (Buddleia)

Information about Butterfly Bush (Buddleia)

Buddleia (Buddleja, also written Buddleja), is a common garden plant that was imported from China in the 1890s and has now become naturalized on waste land, railway cuttings, and in urban areas. The genus was named for Adam Buddle (1662–1715), an English botanist who was responsible for its introduction into the country.The common name “Butterfly Bush” comes from the fact that the blossoms attract butterflies.

The common name "Butterfly Bush" comes from the fact that the blossoms attract butterflies
The common name “Butterfly Bush” comes from the fact that the blossoms attract butterflies

Buddleia is a well-known bush with large, drooping spikes of small, purple (or sometimes white) flowers closely grouped. It has long, narrow leaves and blossoms that smell like honey. Buddleia flowers come in a variety of colors, ranging from white to yellow to orange, pink, violet, and purple. Buddleia was once only available as tall plants that reached a height of 7 feet or more. However, plant breeders are now introducing many shorter varieties which are easier to house in the average home garden.

The flowers of Butterfly Bushes have a sweet honey fragrance that is brightest at midday. The pleasant aroma attracts a wide range of butterflies, insects, birds, and gardeners. Several wild species have no aroma or have a fetidly pleasant scent that some people dislike. The best-smelling of the bunch is Buddleia salviifolia, which is supposed to smell like Chanel perfume.

Why should you choose Butterfly Bush (Buddleia)? 

In fact, planting Buddleia is considered to be a fantastic choice for your landscape. One of the reasons for Buddleia’s popularity is that it is easy to cultivate, even difficult to kill. Every novice gardener will succeed with that kind. It is generally pest-free, except in the case of mite infestations during drought or stress.

Also read: How big do Butterfly Bushes get?

Varieties of Butterfly Bushes

There are more than 160 cultivars of the Butterfly Bushes, in virtually all colors of the rainbow. Here are some varieties of Butterfly Bushes

Black Knight

It’s an old variety that can reach a height of 15 feet. It has a more open structure and shorter flowers than more recent varieties.

Black Knight Butterfly Bush
Black Knight Butterfly Bush

Blue Chip

It is the smallest of that purple list, bordering the dwarf, and developing from two to two and a half feet in height and width.

Blue Chip Butterfly Bush
Blue Chip Butterfly Bush

Adonis Blue

Adonis Blue is a part of the English Butterfly Bushes series, grown in England. It can reach a height and width of 3-5 feet.

Purple Haze

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Purple Haze

Regarding “Purple Haze” Butterfly Bush, it is a low shrub that grows from 2 to 4 feet in height and width.

Prince Charming     

This flower is three to four feet tall and wide, and it attracts both butterflies and hummingbirds.

Prince Charming Butterfly Bush
Prince Charming Butterfly Bush

Pink Delight

Pink Delight is a tall, stately shrub with long blooms of bubblegum pink. It grows to around 8 feet tall and thickly, making it an excellent choice for a hedge.

Pink Delight Butterfly Bush
Pink Delight Butterfly Bush

Honeycomb

Honeycomb can grow to be 4 to 6 feet tall. Magnificent yellow flowers cover this bush from summer until fall. The silver green foliage has a feathery texture and provides a perfect base for these cream-yellow flowers.

Honeycomb Butterfly Bush
Honeycomb Butterfly Bush

Sky Blue

‘Buzz Sky Blue’ (Butterfly Bush) is an elegantly arching deciduous shrub with lance-shaped gray-green leaves and sweetly scented, elongated panicles of sky blue flowers.

Hot Raspberry

From early summer to early fall, the Raspberry Butterfly Bush produces magnificent panicles of fragrant hot pink flowers with orange eyes at the extremities of the branches.

Hot Raspberry
Hot Raspberry Butterfly Bush

Peach Cobbler

Peach Cobbler features lovely peach flowers that are surrounded by silver-gray leaves. This bush has a pleasant fragrance and grows upright.

Peach Cobbler
Peach Cobbler Butterfly Bush

Ivory

This flower produces abundant cream-white flowers on gray-green leaves. Ideal for growing in containers on the patio, it grows from 3 to 5 feet high and 2 to 3 feet wide.

Ivory
Ivory Butterfly Bush

Royal Red

This flower has dark green leaves and grows to be five to six feet tall with a four to five feet spread.

Royal Red
Royal Red Butterfly Bush

Glass Slippers

The “glass slippers” form a relatively low, wide, tight cushion, topped with pale periwinkle-blue flowers worn on silver-colored, branched stems from late summer to early fall. The secondary flowers prolong the performance in the fall.

Glass Slippers
Glass Slippers

Kaleidoscope Bicolor

The base of each flower blushes yellow, passing to raspberry and ending with purple buds at the tip. Orange eyes and gray-green foliage add to the look.

Kaleidoscope Bicolor
Kaleidoscope Bicolor

Ice Chip

Ice Chip
Ice Chip

This kind of Butterfly Bushes – Ice Chip is a dwarf ornamental shrub with remarkable flowers and is particularly attractive to butterflies.

Pugster White

The evergreen shrub itself is small, growing two feet high and two to three feet broad, but it produces loads of large, fragrant, bright white flowers.

Pugster White
Pugster White

White Profusion

White Profusion has long pure white flowers and reaches approximately 8 feet in height. It appears to be large with red flowers like Maraschino Cherry Salvia. Which kinds of Buddleia do you wish to plant in your garden? Each one provides unique beauty to the landscape. Therefore, when planting Buddleia, you can mix and design your garden style to make your result more beautiful. 

White Profusion
White Profusion

Read more: All about varieties of Butterfly Bushes: based on family, climate conditions and colors

Read more: White Clematis varieties (with pictures) and their unique features

Where is the best place for planting Butterfly Bush (Buddleia)?

Buddleias grow in almost every place – they are often seen growing from bricks and readily colonizing fallow land, they are considered invasive plants. However, to get the best of them as garden plants, choose a sunny spot, to encourage flowers full of nectar and attract butterflies. Moreover, as the height of the buds varies between 1 and 9 feet, it is important to choose the right cultivar for the space.

When is the best time for planting Butterfly Bush (Buddleia)? 

It is preferable to plant Buddleia in the spring or fall. If you plant in the fall, make sure to put them in the ground well before the first frost to develop a good root system before colder temperatures set in.

You should plant Buddleia in the spring or fall
You should plant Buddleia in the spring or fall

Also read: When do Butterfly Bush bloom?

Methods for planting Butterfly Bush (Buddleia)

Buddleia is an excellent addition to the garden for attracting wildlife, particularly butterflies and bees. Here are our planting Buddleia ideas for easy planting in the garden and containers this spring.

How to sow Butterfly Bush (Buddleia) seeds?

Buddleia has tiny double-winged seeds several millimeters long. This is a lot of seeds from a single plant (a million or more) and, with their wings, these seeds may move far and wide in the breeze. Learn some tips for sowing Buddleia seeds

Butterfly Bush seeds may move far and wide in the breeze
Butterfly Bush seeds may move far and wide in the breeze
  • Sow the seed and chaff thickly on moistened compost with about a third sharp sand in February.
  • Apply a single layer of fine-grade vermiculite on top.
  • Allow the seed tray to get nice and chilly outside but undercover for a week, but don’t let the compost freeze if the weather is below zero.
  • Next, the seeds should be germinated inside on a warm windowsill or in a heated propagator.
  • Tiny seedlings will sprout in a week or two. The cotyledons, or seed leaves, will have a diameter of less than a millimeter. 
  • When seedlings are a little bigger, perhaps with a second set of real leaves starting, they will need stitching in the normal manner.
  • Plant them in 3cm or 4cm cells and let them grow until the roots have filled the cell.

Planting Butterfly Bush (Buddleia) in containers

  • Choose a container or pot for planting Buddleia

Use a pot deep enough to contain the roots and heavy enough to weigh the plant down.  Make sure the pot has a good amount of drainage holes to allow the roots to breathe. We recommend using an 8-9 inch diameter pot for your one quart-size plant. Increase the pot size by 2-4 inches as the plant grows.

Make certain the pot has an amazing quantity of drainage holes to permit the roots to breathe
Make certain the pot has an amazing quantity of drainage holes to permit the roots to breathe
  • Put it in a sunny place 

Buddleia loves to bask in the sun, so make sure to put your pot in a place with full sun (over 6 hours of sun a day). If your plant doesn’t get enough sunshine, you can expect fewer flowers and sparse foliage. 

  • Prepare soil 

Fill the pots with a high-quality potting mix, such as the Yates Potting Mix with Dynamic Lifter. Plant, carefully backfill with potting mixture and water into well.

  • Planting Butterfly Bush

Place the plant in the potted pot after the red soil around its roots. You should notice and water regularly because the plant is in the pot, it needs more water when it is on the ground. 

Place the plant into the pot, fill the soil, add much
Place the plant into the pot, fill the soil, add much
Add fertilizer for your Butterfly bush
Add fertilizer for your Butterfly bush

Planting Butterfly Bush (Buddleia) in the garden

  • Choose and prepare the location

Select a sunny or semi-shaded location in the garden and prepare the planting area well. Buddleia is ideal for borders/seeds in the long term. They thrive in full sunlight (or at least partial shade) and healthy, well-drained soil.

  • Planting Butterfly Bush (Buddleia) 

Dig a hole, twice the size of the plant pot, put the plant in the bottom of the hole, and fill it gently with soil and water in the well. Plant 5 to 10 feet apart, depending on the variety, for a stunning picture.

Dig a hole, twice the size of the plant pot
Dig a hole, twice the size of the plant pot
Put the plant in the bottom of the hole
Put the plant in the bottom of the hole
Fill it gently with soil
Fill it gently with soil
Water after finish the growing process
Water after finishing the growing process
  • Mutch for Butterfly Bush (Buddleia)

Mulch with organic materials like bark chips, sugar cane, or pea straw, and water carefully. Planting Buddleia in the container or the garden also creates images of appealing and gorgeous flowers. 

Cover it with mutch
Cover it with mutch

Read more: Gardening guides: Methods for planting Butterfly Bush (Buddleia)

How to take care of Butterfly Bush? 

After planting Buddleia, you should concentrate on caring for them by following the appropriate methods to achieve effective results. With different planting locations and times, there are some ways to care for Butterfly Bush

Take care of Butterfly Bush after they grow?

Take care of Butterfly Bush after they grow?While they’re actively growing, give the Butterfly Bush approximately an inch of water per week. In the spring, give the plants extra fertilizer to ensure that they continue to flower freely and remain healthy. In addition, you can cut back the Butterfly Bushes. 

Take care of Butterfly Bush after bloom?

Buddleia blooms in the late summer and fall. Long panicles of unique blooms appear at the ends of the stems. The blossoms of the Butterfly Bush have a honey-like aroma and are high in nectar. This attracts butterflies and hummingbirds, as well as moths, bees, and other useful insects. Removing old flowers keeps the plant looking neat and encourages new blooms. Cut the stem back to the first set of leaves several inches below the blossom to deadhead it. Trim the spent flower spikes back to the branch’s next blossom node to encourage your Butterfly Bush to bloom once more.

Read more: How to take care of Butterfly Bush? Best methods for your plants to grow best

What are the best conditions for planting Buddleia

While planting and growing Buddleia in your garden, you should provide the ideal conditions in order to help them grow successfully. Furthermore, with a good cultivation environment, Buddleia will be resistant to parasites and diseases.

Light

The butterfly shrub requires full sun (at least 6 hours per day) and will become grassy and sparse if grown in shady conditions.

The butterfly shrub requires full sun (at least 6 hours per day)
The butterfly shrub requires full sun (at least 6 hours per day)

Soil

For planting Buddleia, you should focus on soil conditions. This plant will grow in any average, well-drained soil with average moisture levels. It prefers a slightly acidic to neutral soil pH of 6.0 to 7.0. The right pH level for Butterfly Bushes ensures that the shrubs receive essential nutrients from the soil, grow healthily, and are more resistant to pests and disease. Moreover, the pH of the soil also impacts whether it includes helpful insects such as earthworms, which aid in soil permeability, aeration, and porosity. In excessively acidic soil, beneficial organisms cannot survive.

Water

This plant prefers a medium-moisture environment and will suffer in either extreme drought-resistant or boggy, poorly draining environments. They can survive on 1/2 inch of water each week from rain or irrigation. Butterfly bushes in pots require more frequent watering than those planted in the ground. Because it will water the shrub slowly and deeply, a drip system for containers is appropriate. Place a self-watering gadget in the pot or lay a bubbler or hose across the top of the container and let water flow at a near trickle for 30 minutes or longer as an alternative.

Temperature and Humidity

Butterfly bush thrives in all of its hardiness zones (zones 5 to 9), although in zones 5 and 6, expect it to die back to ground level in the winter. Butterfly bush, despite being cold-hardy, kills above ground when temperatures drop below freezing. It will, however, recover from its death and re-sprout from the crown once the worst of the winter weather has passed.

Fertilizer

Except for a thin layer of compost placed over the root zone each spring, this plant requires no fertilizer. Those are all requirements of Buddleia in the growing process. Your care can contribute to the garden’s success.  

This plant requires no fertilizer other than a thin layer of compost applied to the root zone each spring
This plant requires no fertilizer other than a thin layer of compost applied to the root zone each spring

Propagation 

Seeds, cuttings, and division are all easy ways to propagate this lovely shrub. Here are some good ideas for propagating Buddleia. 

Seed

First of all, you should collect Buddleia seeds. Keep reading for how to collect them. Seed collection is a simple process. Seed capsules mature over time and should begin to dry up by autumn. The panicle should be cut off before the capsules split open and release the seeds, so do it before they are completely dry. Generally, the seed head is placed in a paper bag and hung somewhere cool and dry. When the dried capsules are ready, they will split open, releasing their seeds. You will collect seeds and chaff in the bag. Because it is difficult to separate the large pieces of chaff from the fine material, it is usually best to remove only the large bits of chaff. After you’ve separated the seeds as much as possible, store them in a paper envelope until you’re ready to plant them. Butterfly bush seeds just need to be lightly covered with soil because they require a lot of light to germinate. Keep the seeds moist once they’ve been planted. Be patient as they should germinate after a few months.

Butterfly Bush (Buddleia) Cuttings

Butterfly bush cuttings are one of the easiest ways to cultivate this plant. In the spring or summer, simply take branch tip cuttings. Remove the bottommost leaves from cuttings that are at least 3 inches (7.5 cm) long. Dip the end in rooting hormone if desired, then place it in moist, peaty sand or potting soil. Keep it warm and wet by placing it in a shady but well-lit area. Hardwood cuttings can be taken in the fall and treated in the same way as softwood cuttings. Within a few weeks, you should see root development on your Butterfly Bush cuttings.

Take branch tip cuttings
Take branch tip cuttings
Remove the bottommost leaves from cuttings that are at least 3 inches (7.5 cm) long
Remove the bottommost leaves from cuttings that are at least 3 inches (7.5 cm) long
Dip the end in rooting hormone
Dip the end in rooting hormone
Place it in moist, peaty sand or potting soil
Place it in moist, peaty sand or potting soil
Water after planting
Water after planting

Read more: How do you propagate Buddleia from cutting?

Division

The roots of the Butterfly Bush can also be divided for propagation. Depending on where you live and your personal preferences, you can do this in the spring or the fall. Dig up mature Butterfly Bushes carefully and remove any excess soil. Then either separate the roots by hand or divide the plants using a spade shovel. These can be transplanted into pots or placed in other suitable landscape settings.

Pruning Butterfly Bush (Buddleia)

Because the Buddleia grows quickly, you’ll need to prune it in the spring before it blooms. 

In the early spring, prune your Buddleia

When pruning Buddleia, taking care of them is very important. Therefore, early spring is the best time to prune your plant. When to prune, however, is entirely dependent on your location. Buddleia can be damaged by severe frost, which can occur in late April in some places. If you prune too early in early spring, freezing can affect the plant.early spring is the best time to prune your plant

Read more: When to prune Butterfly Bushes?

Cut hard in the springtime

On new wood, Buddleias blossom. Even if existing branches show no signs of rot or injury, cut them all back to the ground in the early spring. During the flowering season, this will encourage your Buddleia to blossom and grow. You cut the plant by cutting these rods downwards to the ground.Cut hard in the springtime

Remove older branches

If too many branches sprout, Buddleias can become overcrowded. If your Buddleia bush appears crowded, remove older branches altogether rather than just cutting them down. It’s quite simple to distinguish the difference between old and young stems. Young stems are usually green. Older stems have a darker color and peeling, gray-brown bark, making them appear woodier. Digging out old branches by the roots is a good idea. This will keep them from flowering again next season.Remove older branches

Prune Buddleia in the fall

Trim all of the tips in the fall to remove any faded flowers or developing seeds. Buddleia has become an invasive problem in some locations. Deadheading and removing spent blooms before they go to seed is a critical step in preventing Butterfly Bushes from escaping the garden and reaching nearby fields and woodlands.

Trim all of the tips in the fall to remove any faded flowers
Trim all of the tips in the fall to remove any faded flowers

Read more: What are the methods for pruning Butterfly Bushes?

Also read: How to prune Butterfly Bushes?

Diseases and pests 

Regardless of how hardy these plants are, they are immune to disease and pest attacks, which, while not all of them are deadly, can disfigure the foliage. Below, gardenhow.net will cover some pests and diseases that can impact Buddleia.

Diseases

Because most Buddleia illnesses are caused by fungi, moisture regulation is important to prevent problems like root rot and downy mildew. 

Downy mildew-gray mold

Downy mildew is a common Butterfly (Buddleia) disease, but it also affects a variety of other plants. It is typically not fatal, but it can make plants seem unattractive. This infection appears as a gray mold on the underside of leaves and gradually deforms the leaves. Downy mildew can be treated with copper-based fungicides or organic methods like neem oil sprays.

Root rot

Because root rot damages the roots, it is a death sentence for most plants. Root rot is caused by Phytophthora and Rhizoctonia, both of which are water molds, and it attacks the plant slowly. These microorganisms thrive in waterlogged soils, and as far as I’m aware, there are no effective chemical treatments for the disease. Yellowing and dropping leaves that eventually fall is evident symptoms. The solution to avoid root rot is to use well-drained soil, which most plants have, and to avoid overwatering.

Verticillium wilt

Another disease that might affect your Buddleia and other plants is verticillium wilt. It attacks the roots, resulting in discoloration of the leaves and eventual stem dieback. When you cut the plant, you’ll frequently observe black streaks down the inside of the stems or in circular patterns in large branches.

Ringspot virus

The Ringspot virus reduces the strength of any plant it infects and is becoming increasingly common in the United States, though it is still uncommon. The virus will cause mottling and discoloration of the leaves, as well as spots on the leaves. Stunted growth is a possibility if the infection spreads to the remainder of the plant.

Pests 

Spider mites

They invade hundreds of other garden plants, so they’re pretty common. Because of their small size, these mites are not harmful to the plant in small groups, and you may not see them. 

Aphids

Aphids are one of the most frequent garden pests, suck the sap from plants and cause the leaves to curl, but they also attract other pests. It creates honeydew on the leaves as a byproduct of feeding on plant sap. The sticky, delicious liquid attracts ants and other tiny insects, causing the plant to wilt even more. 

Aphids on Butterfly Bush
Aphids on Butterfly Bush

Nematodes

Nematodes that cause the ringspot virus should be managed before they spread across the garden. They are difficult to eradicate, but worm-like organisms will die off if the soil is left bare for a period of time. Solarization has also been shown to effectively destroy nematodes in the soil.

Caterpillars

Since Buddleia plants are butterfly magnets, you can’t miss out on some caterpillars feasting on leaves. The caterpillars eat the leaves, which affects the appearance of the plant, but they do not cause irreparable harm. It is enough to remove them by hand or to use a pipe to force them out of the plant. Alternatively, you may consider spraying with a pesticide.

Caterpillars on Butterfly Bush
Caterpillars on Butterfly Bush

Japanese beetles

Japanese beetles are voracious leaf eaters that degrade the looks of plants. They devour the entire leaf, unlike caterpillars, and leave behind a skeletal appearance. In small numbers, these insects, like the others, are not dangerous, but if the population grows, Pyrethrin insecticides will help control them.

Weevils

The eggs of Buddleia leaf weevils are laid on the foliage, which is harmless until the grubs emerge. These tiny grubs leave discolored patches on the leaves, which eventually die. A plant with broken leaves is unable to produce food, weakening it further.Although it is difficult to protect your plants from all pests and diseases, you may do your best to avoid infections, especially diseases. With the proper planting Buddleia method, your Buddleia will grow and attract a large number of butterflies to your garden.  

Planting Buddleia with other plants

Planting Buddleia with different flowers can make your landscape even more appealing to butterflies. Read this essential guide we put together for you to discover more about which plants grow well with this aggressive bush.

Buddleia with other plants
Buddleia with other plants

Blue Tweedia with Dwarf Butterfly Bush

Monarchs on the west coast and in New Zealand will consume Tweedie leaves (Oxypetalum caeruleum), however, the jury’s nonetheless out on whether or not monarchs will deposit eggs on it in different regions. There aren’t too many plants that show off this quite blue hue, and no different milkweed does.

I’ve paired ours with ‘ivory’ buddleja buzz Butterfly Bush. Buddleja buzz additionally is available in magenta, velvet, sky blue, and purple. Both of those partners develop nicely in containers. Other compact Butterfly Bush sorts might appear properly too.

Blue Tweedia
Blue Tweedia

Heliotrope

Heliotrope, often known as cherry pie or white queen, is a small shrub that matches Butterfly Bushes beautifully. It has deep purple flowers that go well with Butterfly Bushes. Furthermore, both plants need similar care, making it simple to grow them together.

Heliotrope
Heliotrope

Lantana

Lantana is an excellent companion plant for your Butterfly Bush in mild weather. Lantanas will provide you with beautiful blooms every month, adding to the beauty of your landscape.

Lantana
Lantana

Nasturtium

Nasturtium is a caterpillar’s favorite food. These magnificent floral plants, when combined with Butterfly Bushes, offer an ideal environment for these insects. In addition, if you have cabbage plants nearby, the nasturtium will attract larvae and protect your produce.

Nasturtium
Nasturtium

Aster

Aster is a sun-loving plant that produces gorgeous daisy-like flowers in pink, lavender, or blue colors. You can choose plants to contrast or enhance your Butterfly Bushes, depending on your interests. Furthermore, the aster and the fast-growing bushes can live without competing with one another.Butterfly bushes are low-maintenance plants that require little care from you. You can use them to make a beautiful butterfly sanctuary or as hedge plants. Combine them with the Butterfly Bushes and companion plants on this list for best results.

Aster
Aster

Q & A 

Why isn’t Buddleia blooming?

A Butterfly Bush will not bloom for a variety of reasons, the majority of which are related to stress.  Improper watering is one of the most common. Butterfly bushes demand a lot of water, especially in the spring when they are actively growing. During droughts in the summer, they require consistent watering. And meanwhile, standing water will quickly rot the roots. Alternatively, if you’ve only recently planted your Butterfly Bush, it may still be suffering from transplant shock. Even if it was blooming when you planted it the year before, it may take a year to recover and establish new roots. Therefore, when planting Buddleia, you should have an appropriate strategy for success. 

How to deadhead Buddleia? 

It’s as simple as picking away spent blossoms to promote new growth in your Buddleia, but doing so at the appropriate time is necessary to keep this lush shrub under control. In early spring, cut back all of the woody stalks by about two-thirds to a low framework of permanent stems (March). Deadheading your Buddleia vigorously at this time of year can help the plant prepare for its summer flowering season and encourage greater growth from the shrub’s base.

Final Thoughts

Known for its brightness of color and distinctive, fragrant tubular flowers, Butterfly (Buddleia) is the ideal choice for summer blooms. They will become a dazzling and vigorous highlight in your garden. Hopefully, through this article from gardenhow.net, you have gotten the entire view and knowledge about Butterfly Bush (Buddleia). With the above guides, planting Buddleia is no longer a difficult task. Thank you for reading!

Related posts:
When do Butterfly Bush bloom?
How to prune Butterfly Bushes?
How big do Butterfly Bushes get?
What are the methods for pruning Butterfly Bushes?
When to prune Butterfly Bushes?

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