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Asclepias tuberosa (Butterfly flower)

Beginner
skill rating
1 hour care
per year
0.8m
Max height
0.3m
Max spread
2-5 years
To maturity
Low
Toxicity

Plant details

Botanical name

Asclepias tuberosa

Other names

Milkweed, Butterfly weed, Chigger flower, Indian paintbrush, Silkweed, Butterfly flower, Butterfly root, Chieger flower, Flux root, Indian potato, Orange root, Pleurisy root, Swallow root, Tuber root, Wind root, Windward root

Genus

Asclepias Asclepias

Species

A. tuberosa - A. tuberosa is an upright herbaceous perennial with lance-shaped mid green leaves and bright orange flowers in summer and autumn.


Asclepias tuberosa is: Deciduous

Habit

Clump-forming, Upright

Toxicity

Although parts of the plant are eaten in some cultures, large quantities can cause stomach upsets

Flower

Orange in Summer; Orange in Autumn

Foliage

Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn

How to care

Watch out for

Specific pests

Slugs Slugs

General care

Pruning

If desired, deadhead to prevent self-seeding and to encourage a second flush of flowers. Mulch in autumn. Cut back in spring.

Propagation methods

Division, Basal cuttings, Seed


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Where to grow

Asclepias tuberosa (Butterfly flower) will reach a height of 0.8m and a spread of 0.3m after 2-5 years.

Suggested uses

Beds and borders, Bees (attract & feed bees), City, Cottage/Informal, Low Maintenance, Wildlife

Cultivation

Grow in well-drained, fertile loam in full sun. Tends to be late to emerge in spring. Drought tolerant once established. Suitable for a wildflower garden and for attracting bees. May self-seed readily. Does not transplant well.

Soil type

Clay, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

Companion plants

We do not currently have companion plants added for this plant.

Botanical name

Asclepias tuberosa

Other names

Milkweed, Butterfly weed, Chigger flower, Indian paintbrush, Silkweed, Butterfly flower, Butterfly root, Chieger flower, Flux root, Indian potato, Orange root, Pleurisy root, Swallow root, Tuber root, Wind root, Windward root

Genus

Asclepias Asclepias

Species

A. tuberosa - A. tuberosa is an upright herbaceous perennial with lance-shaped mid green leaves and bright orange flowers in summer and autumn.

Foliage

Deciduous

Habit

Clump-forming, Upright

Toxicity

Although parts of the plant are eaten in some cultures, large quantities can cause stomach upsets


Colour

Flower

Orange in Summer; Orange in Autumn

Foliage

Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn


How to care

Watch out for

Specific pests

Slugs

General care

Pruning

If desired, deadhead to prevent self-seeding and to encourage a second flush of flowers. Mulch in autumn. Cut back in spring.

Propagation methods

Division, Basal cuttings, Seed


Monthly care advice


Where to grow

Asclepias tuberosa (Butterfly flower) will reach a height of 0.8m and a spread of 0.3m after 2-5 years.

Suggested uses

Beds and borders, Bees (attract & feed bees), City, Cottage/Informal, Low Maintenance, Wildlife

Cultivation

Grow in well-drained, fertile loam in full sun. Tends to be late to emerge in spring. Drought tolerant once established. Suitable for a wildflower garden and for attracting bees. May self-seed readily. Does not transplant well.

Soil type

Clay, Loamy, Sandy

Soil drainage

Well-drained

Soil pH

Acid, Alkaline, Neutral

Light

Partial Shade, Full Sun

Aspect

South, West

Exposure

Sheltered

UK hardiness Note: We are working to update our ratings. Thanks for your patience.

Hardy (H4)

USDA zones

Zone 9, Zone 8, Zone 7, Zone 6, Zone 5, Zone 4, Zone 3

Defra's Risk register #1

Plant name

Asclepias tuberosa (Butterfly flower)

Common pest name

Scientific pest name

Spilostethus pandurus

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

2

Impact (1 is very low - 5 is very high)

3

General biosecurity comments

Seed bug unlikely to pose a significant threat to UK plant health.

Defra's Risk register #2

Plant name

Asclepias tuberosa (Butterfly flower)

Common pest name

Scientific pest name

Spilostethus hospes

Type

Insect

Current status in UK

Absent

Likelihood to spread to UK (1 is very low - 5 is very high)

1

Impact (1 is very low - 5 is very high)

3

General biosecurity comments

Seed bug unlikely to pose a significant threat to UK plant health.

About this section

Our plants are under greater threat than ever before. There is increasing movement of plants and other material traded from an increasing variety of sources. This increases the chances of exotic pests arriving with imported goods and travellers, as well as by natural means. Shoot is working with Defra to help members to do their part in preventing the introduction and spread of invasive risks.

Traveling or importing plants? Please read "Don't risk it" advice here

Suspected outbreak? Click here for contact details to report to the relevant authority.

Date updated: 7th March 2019 For more information visit: https://planthealthportal.defra.gov.uk/

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Asclepias tuberosa Gay Butterflies (06/10/2011)

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This plant likes... Garden match
Soil types: Clay, Loamy, Sandy Tell us...
Soil drainage: Well-drained Tell us...
Soil pH: Acid, Alkaline, Neutral Tell us...
Light: Partial Shade, Full Sun Tell us...
Aspect: South, West Tell us...
Exposure: Sheltered Tell us...
Hardiness: Hardy (H4) Tell us...

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