Asclepias, Butterfly Milkweed, Yellow Butterfly Weed, Pleurisy Root 'Hello Yellow'

Asclepiastuberosa

Family
Apocynaceae (a-pos-ih-NAY-see-ee)
Genus
Asclepias (ass-KLE-pee-us)
Species
tuberosa (too-ber-OH-suh)
Synonym
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
24-36 in. (60-90 cm)
Spacing
15-18 in. (38-45 cm)
Hardiness
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
Parts of plant are poisonous if ingested
Bloom Color
Bright Yellow
Bloom Time
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow outdoors in fall
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; stratify if sowing indoors
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
Bag seedheads to capture ripening seed
Allow pods to dry on plant; break open to collect seeds
Properly cleaned, seed can be successfully stored
Regional

This plant is said to grow outdoors in the following regions:

Auburn, Alabama

Los Angeles, California

Lewes, Delaware

Green Cove Springs, Florida

Venice, Florida

Hahira, Georgia

Villa Rica, Georgia

Peoria, Illinois

Jeffersonville, Indiana

Hebron, Kentucky

Prospect, Kentucky

Baton Rouge, Louisiana

Oxon Hill, Maryland

Florence, Mississippi

Forked River, New Jersey

Fargo, North Dakota

Cincinnati, Ohio

Austin, Texas(2 reports)

Dallas, Texas

Georgetown, Texas

Houston, Texas

Arlington, Virginia

Newport News, Virginia

Springfield, Virginia

Madison, Wisconsin

Marinette, Wisconsin

Pewaukee, Wisconsin

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Featured Videos

Gardener's Notes:

6
positives
2
neutrals
0
negative
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L
Baton Rouge, LA | June 2020 | positive

My experience with this plant in 8b (Baton Rouge, La) is SO DIFFERENT from what else I can find anywhere online. Please reply if yours c...Read More

H
Auburn, AL (Zone 8a) | January 2013 | positive

To get the seeds all you need to do is to get a single follicle ( fruiting structure) of the milkweed when it is about to burst and ther...Read More

P
Hampton Roads, VA (Zone 7b) | September 2011 | positive

Had problems initially with drainage and had to relocate multiple times. Finally found a happy spot at the bottom of a downspout where I ...Read More

B
Springfield, VA | July 2011 | positive

I have had this plant for 3 years. I LOVE it..just keeping cutting it back after it blooms and it will rebloom again and again. My only...Read More

B
Irving, TX (Zone 8a) | June 2010 | neutral

This plant is tough, but less vigorous than the species. I bought 4" containers last year but they came back less succesful in thier 2nd...Read More

C
Schaumburg, IL | February 2010 | neutral

do butterfiles prefer the traditional orange butterfly weed to the Hello Yellow?

T
Cincinnati (Anderson Twp), OH (Zone 6a) | May 2007 | positive

This particular asclepias, a perennial in our zone 6a if planted in a well-draining and sunny spot in the garden, can take three years to...Read More

M
Hebron, KY | November 2006 | positive

Beautiful!

Love having it for the color and for the Butterflies!

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