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Buffalo gourds (Cucurbita foetidissima) #769853

Asked August 30, 2021, 1:20 PM EDT

When I was a small girl, my family often traveled through southern Colorado to go camping. (Great Sand Dunes, Wet Mountain Valley and the Sangres) We would watch along the side of the roads for gourds. When we'd see a patch, we would jump out of the car and pick the pretty fruits of the vines growing in the disturbed soil. After they dried, we would shake the seeds inside for rattles. I have been looking for extremely xeric vines to grow (possibly on trellises) on the south side of my house in Littleton, and I thought of those gourds. I found this article: Economic Botany Vol. 37, No. 3 (Jul. - Sep., 1983), pp. 306-309 (4 pages). What do you think about this plant in a suburban setting? And close to a house's foundation? You all have been so helpful in the past, and I really appreciate your advice. I hope you can help again. Thanks, Carolyn

Arapahoe County Colorado

Expert Response

Cucurbita foetidissima is known by many common names: Calabazilla, Wild Gourd, Stink Gourd, Buffalo Gourd, Coyote Gourd, Missouri Gourd, Fetid Wild Pumpkin, just to name a few.

Utah State University describes Cucurbita foetidissima as a wild cucurbit (cucumber family) that grows vigorously from a thick carrot-shaped root that can grow over 5 feet deep and very wide. (Based on the article you provided, the root of this plant can weigh as much as 100 pounds.) It is a trailing perennial with numerous stems reaching over 20 feet long. Its gray-green, rough textured leaves stand about 1 foot off the ground and have a strong, unpleasant odor when they are crushed. The flowers are infrequent. They are rich yellow and may be as much as 4 inches in diameter. These are followed by round, dark green fruits that develop cream-colored blotches and stripes as they mature and become hard. The plant gets the name "stink gourd" from its foul odor.

It is known as an arid-land crop, with its native habitat in open areas on plains and deserts. Arid-land vegetation adapt to gravelly, sandy soil with natural irrigation (rainfall). Recently, a Colorado homeowner in El Paso County found this plant running amok on their property and was having a difficult time eradicating it because new plants were popping up all over on their property.

Here are two additional pieces of information you should review.

https://www.wildflower.org/plants/result.php?id_plant=CUFO

https://www.texasbeyondhistory.net/ethnobot/images/cucurbitabg.html (note the photo of the root – 16” wide)

To answer your question: what do you think about this plant in a suburban setting? This would not be a good choice based on all of the information available.

And close to a house's foundation? Not with a root system such as this one.

If this is something you really wish to pursue, search with the parameters: "Cucurbita foetidissima site:.edu" to get information from educational institutions. There are plant descriptors that should give a homeowner pause when deciding on a plant for their landscape:

wild

vigorous

unpleasant odor...just to name a few.

Here is some information on vines for the home landscape:

https://planttalk.colostate.edu/topics/trees-shrubs-vines/1727-vines-colorado/

https://www.johnson.k-state.edu/docs/lawn-and-garden/in-house-publications/perennials/Perennial%20Vines_REV.pdf

https://aces.nmsu.edu/ces/mastergardeners/manual/docs/chap_4/chap4.k.pdf

And finally, CSU recommends that vegetation be planted no closer than five feet from a home’s foundation, unless the plants have very low water requirements. Xeriscape-type groundcovers and mulches are especially useful near houses because they can help reduce extreme moisture fluctuations.

https://planttalk.colostate.edu/topics/soils-amendments-composting/1617-expansive-soils/

Donnetta Wilhelm Colorado Master Gardener Replied September 04, 2021, 2:40 PM EDT
Phew! Glad I asked before I planted!

Thanks so much for your help!

On Sat, Sep 4, 2021 at 12:41 PM Ask Extension <<personal data hidden>> wrote:
The Question Asker Replied September 04, 2021, 9:31 PM EDT

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