Photo by Melody

PlantFiles: Wooly Pipevine
Aristolochia tomentosa

Family: Aristolochiaceae
Genus: Aristolochia (a-ris-toh-LOH-kee-uh) (Info)
Species: tomentosa (toh-men-TOH-suh) (Info)

Synonym:Isotrema tomentosa

6 vendors have this plant for sale.

16 members have or want this plant for trade.

Vines and Climbers

20-30 ft. (6-9 m)

4-6 ft. (1.2-1.8 m)
6-8 ft. (1.8-2.4 m)

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

All parts of plant are poisonous if ingested

Bloom Color:
Chartreuse (Yellow-Green)

Bloom Time:
Late Spring/Early Summer


Other details:
This plant is attractive to bees, butterflies and/or birds
Requires consistently moist soil; do not let dry out between waterings

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:
Unknown - Tell us

Seed Collecting:
Allow pods to dry on plant; break open to collect seeds

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2 positives
3 neutrals
No negatives

Gardeners' Notes:

Neutral FlaFlower On Apr 29, 2012, FlaFlower from Miami Dade, FL (Zone 11) wrote:

I purchased a pipe vine from a plant show. It wasn't blooming and it still isn't the leaves look simiar to this one and different from my other ones smaller and has a rougher/sandpaper like thicker texture...still waiting for it to bloom to give it a proper ID hoping since it has been in the ground now almost a year went dormant and came back great that it has a mind to bloom. I did notice though that I am finding under ground runners a distance from the original plant popping up...I hope this isn't a bad sign, because I am no stranger to a shovel!!

Positive BosqueHelecho On Nov 12, 2010, BosqueHelecho from Kansas City, MO (Zone 6b) wrote:

This is a great vine if you have a relatively large area that needs covered by some attractive green foliage. Mine has covered two sides of a very large deck (it has spread 40 feet wide and grown about 15-20 feet up to the top of the deck) It provides a 'cooling' effect on the deck during the summer to take the edge off the summer heat. Also, there are almost always Pipevine Swallowtail butterflies hovering around it gracefully which is another positive.... and its a native vine! There are only a few species of Dutchman's Pipe native to North America and this is one of them.

Positive debnes_dfw_tx On Apr 2, 2009, debnes_dfw_tx from Fort Worth, TX (Zone 8a) wrote:

Could hoping make it so?... The vendor who sold me this Wooly Pipevine was mistaken~ He said it was A. macrophilla, but I had it sent anyway for want of a Pipevine Swallowtail host plant. Since it's bloomed I have been delighted to find that it was our native A. tomentosa all along!! The plant I originally wanted. Someone *up there* must have heard me hoping. :-)

Neutral frostweed On Nov 30, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Wooly Pipevine Aristolochia tomentosa is native to Texas and other States.

Neutral paani On Jan 21, 2005, paani from Saint Louis, MO (Zone 6a) wrote:

Aristolochia is a larval plant for the pipe vine swallowtail butterfly, so it's a good choice for a butterfly garden if you have them in your area. According to the Missouri Botanical Gardens, which selected this cultivar as a Plant of Merit in 2004, it provides "dense cover for sun porches, verandas, pillars, posts, trellises, arbors, fences or walls. Has been popularly used for many years to screen front porches."


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

North Little Rock, Arkansas
Oviedo, Florida
Spring Hill, Florida
Tampa, Florida
Titusville, Florida
Elberton, Georgia
Shawnee Mission, Kansas
Lake Charles, Louisiana
Kansas City, Missouri
Helena, Montana
Dudley, North Carolina
Columbus, Ohio
South Mountain, Pennsylvania
Boerne, Texas
Dallas, Texas
Fort Worth, Texas (2 reports)
Garland, Texas
Houston, Texas

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