
Photo: Tomás Carranza PeralesCC BY 4.0via iNaturalistresized / cropped
Bumpy gourd Plant Care
Cucurbitella asperata (Gillies ex Hook. & Arn.) Walp.
Updated · Sources · How we source care data
Cucurbitella asperata is characterized by its unique ribbed, warty fruits that resemble miniature watermelons. Originating from Central and South America, this plant is highly sought after by collectors for its unusual appearance and decorative value in gardens.
Every 4–7 days
Full sun
70–90°F
60–80%
At a glance
How do you care for Bumpy gourd?
Water Bumpy gourd every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun. It prefers temperatures of 70–90°F (21–32°C) and 60–80% humidity. Fertilize it every 2 months during the growing season.
Where Is the Bumpy gourd Native To?
What Is the Bumpy gourd?
Bumpy gourd (Cucurbitella asperata) belongs to the Cucurbitaceae family within the Cucurbitella genus. Bumpy gourd is native to southern tropical South America, ranging from Bolivia to west-central and southern Brazil, Paraguay, Uruguay, and northern Argentina. Bumpy gourd is also known as Prickly cucumber.
Bumpy gourd displays a trailing vine growth habit, reaching up to 6 ft tall with a spread of approximately 3 ft. Bumpy gourd produces bright yellow trumpet-shaped flowers.
Leaf size: approximately 4 inches.
How Often Should You Water a Bumpy gourd?
Cucurbitella asperata requires watering every 4–7 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 4–7 days
Let soil partially dry between waterings
What Light Does the Bumpy gourd Need?
Bumpy gourd thrives in full sun.
Light Requirement
Full sun
What Temperature and Humidity Does the Bumpy gourd Prefer?
Cucurbitella asperata grows best at temperatures of 70–90°F. Bumpy gourd prefers humidity levels of 60–80%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
70–90°F
Humidity
60–80%
What Soil Mix Works Best for a Bumpy gourd?
Well-draining loamy soil with added compost for nutrients. Good drainage is essential for Bumpy gourd to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Bumpy gourd?
Feed Bumpy gourd every 2 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 2 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Bumpy gourd?
Repot annually in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Bumpy gourd?
Bumpy gourd can be propagated through seeds, stem cuttings.
Is the Bumpy gourd Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Bumpy gourd, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Bumpy gourd?
Bumpy gourd is susceptible to aphids, spider mites, squash bugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Bumpy gourd Need?
Bumpy gourd grows outdoors in USDA Zone 9a – 11b. It survives winters down to planting zone 9a. Bumpy gourd is native to southern tropical South America, ranging from Bolivia to west-central and southern Brazil, Paraguay, Uruguay, and northern Argentina. In cooler regions, grow Bumpy gourd as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 9a – 11b
Keep exploring plants
Bumpy gourd is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Cucurbitella genus — compare its care with other Cucurbitella species on PlantoScan.
Cucurbitella is part of the Cucurbitaceae plant family — browse all Cucurbitaceae genera and species.
Bumpy gourd thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Cucurbitella asperata (Gillies ex Hook. & Arn.) Walp., family Cucurbitaceae (first published in Repert. Bot. Syst. 6: 50 (1846)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Bumpy gourd, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Photo: Tomás Carranza Perales, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 9a – 11b, estimated from the plant's typical growing conditions.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
