Photo by Melody

PlantFiles: Dutchman's Pipe, Broadleafed Birthwort
Aristolochia macrophylla

Family: Aristolochiaceae
Genus: Aristolochia (a-ris-toh-LOH-kee-uh) (Info)
Species: macrophylla (mak-roh-FIL-uh) (Info)

Synonym:Aristolochia durior
Synonym:Aristolochia maurophylla

5 vendors have this plant for sale.

24 members have or want this plant for trade.

Vines and Climbers

20-30 ft. (6-9 m)

20-30 ft. (6-9 m)

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)

Sun Exposure:
Sun to Partial Shade

Parts of plant are poisonous if ingested

Bloom Color:

Bloom Time:
Late Spring/Early Summer

Grown for foliage

Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)

Patent Information:

Propagation Methods:
By dividing the rootball
From woody stem cuttings
From seed; direct sow outdoors in fall

Seed Collecting:
Unknown - Tell us

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3 positives
5 neutrals
No negatives

Gardeners' Notes:

Neutral burien_gardener On Jun 12, 2013, burien_gardener from Burien (SW Seattle), WA (Zone 8b) wrote:

Wish it were as rambunctious as some claim it to be. Must be a climate thing, 'cuz here in Seattle my vine has barely reached 8 feet in 10 years and the beautiful leaves are sparse; there are a few flowers this year. Can't figure out why it won't cover my deck roof...!

Positive LarryROlson On Feb 13, 2013, LarryROlson from Moreland, GA wrote:

I am thrilled to have this plant in my garden! Since then, I have enjoyed a constant parade of one of the most beautiful butterflies on planet Earth in my yard. I don't think I ever saw them before I planted it.

I'm going to try some different pipevine species in the future to see who will do the best in my area, and provide even more food for these regal aerial acrobats.

Neutral cam2 On Aug 1, 2010, cam2 from Houston, TX wrote:

I have had this plant for 3 years; it grows nicely, but has never bloomed for me.

Neutral NancyMcD On Sep 23, 2009, NancyMcD from Grand Marais, MI wrote:

This gorgeous plant makes wonderful tropical-looking foliage that absolutely solidly covers what it's growing on. This is fine in the right place. HOWEVER, be very careful where you plant it. Ten years ago I foolishly planted it within six feet of other perennial climbers, and failed to keep a close enough eye on it. It romped right over its neighbors and killed them, and started to eat a six-foot shrub rose. Now I'm struggling to get rid of it. We never saw pipevine swallowtails on ours, or I'd find a way to live with it. It is lovely, with its overlapping heart-shaped leaves, and worth growing if you have a good spot for it. The bottom line: Think twice, even three times, about siting before you plant this.

Positive tabasco On May 18, 2009, tabasco from Cincinnati (Anderson Twp), OH (Zone 6a) wrote:

This particular Pipevine, Aristolochia macrophylla, is commonly found in semi-wooded areas growing up trees here in the midwest and east.

Aristolochia macrophylla serves as one of two pipevine host plants for the Pipevine Swallotail, Battus philenor, in our midwest region. (The other is Aristolochia serpentaria, Virginia Snakewort.)

According to some sources, the Pipevine swallowtail population has diminished since much of the naturally growing aristolochias have been destroyed by development. Thus an effort has been launched to encourage planting of pipevine host plants to forestall continued depletion.

We have this vine in our woods and it is easy to grow. It's a pleasure to have the pv swallowtails visiting our flower garden in the summer.

Neutral NoLawns On Jan 24, 2008, NoLawns from Warrenville, IL wrote:

Foliage looks weedy, good for screening... Never seen a flower on it. Any thoughts?

Positive JodyC On Jan 22, 2005, JodyC from Palmyra, IL (Zone 5b) wrote:

It contains the antiseptic,antitumor compound aristolochic acid.

Neutral Weezingreens On Feb 24, 2003, Weezingreens from Seward, AK (Zone 3b) wrote:

A. macrophylla is generally grown for its ability to grow fast, climb, and create shade or privacy to an area. It dies down each winter and returns in spring. The leaves are heart-shaped with a rough texture. The flowers are insignifcant, a brownish and cream color, and resemble a Meerschaum pipe. They have a strange, but not unpleasant odor and are attractive to the Pipe Vine Swallow. This plant can grow up to 18 inches per year, and a strong trellis is needed.


This plant has been said to grow in the following regions:

, (3 reports)
Grand Junction, Colorado
Jacksonville, Florida
Wellborn, Florida
Calhoun, Georgia
Moreland, Georgia
Rock Rapids, Iowa
Shawnee Mission, Kansas
Louisville, Kentucky
Hammond, Louisiana
New Orleans, Louisiana
Zachary, Louisiana
Auburn, Maine
Phillips, Maine
Marlborough, Massachusetts
Adrian, Michigan
Grand Marais, Michigan
Anoka, Minnesota
Maplewood, New Jersey
Victor, New York
Cincinnati, Ohio
Glouster, Ohio
Mansfield, Ohio
Oklahoma City, Oklahoma
Carlisle, Pennsylvania
Stroudsburg, Pennsylvania
Fort Worth, Texas
Houston, Texas
Charlotte, Vermont
Leesburg, Virginia

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