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Bur Gourd

Cucumis anguria (koo-KOO-mis an-GUR-ee-uh)

Family: Cucurbitaceae Non-native Vine (vertical)

Maroon Cucumber is an herbaceous vining species of cucumber native to Africa that is not known in the wild and, although accepted as a species, is thought by some to be a cultivar. Maroon Cucumber is a climbing plant with thin stems that can reach a length of more than 7 feet. The plant grows best in full sun and moist, rich, well-drained soil. It prefers a slightly acidic ph, but will grow in less desirable soils. It has high water needs and requires consistent moisture for proper growth, but good drainage is also important. Keep the leaves dry while watering to prevent fungal diseases. Note that vertically grown cucumber plants lose moisture more easily. Cucumber is frost sensitive and needs warm soil temperatures to germinate and grow. Seeds can be directly sown after the last frost or started indoors three to six weeks before transplanting, or less than four weeks before the last frost date. Be careful to avoid damaging the plant's taproot when transplanting. Cucumbers can be harvested green when they reach their preferred size; however, cucumbers that have turned yellow are over ripe and will be tough and difficult to eat. Poor pollination may lead to misshapen fruit. To pick, cut the stem attaching the fruit to the vine with a sharp, clean knife or clippers. Harvest often to spur further fruit production. Cucumber plants can be grown vertically on a trellis or even a wire fence, which increases air circulation, prevents diseases, and grows straighter fruits. It can also be grown in a container of a minimum size of 1 gallon and 8 inches depth. Cucumber is most well known for its use in salads and pickling, so its best landscape use is in an edible garden. Click here to see a calendar of planting schedules, time-to-harvest, and recommended spacing. Insects, Diseases, and Other Plant Problems: There are pest and disease problems, such as cucumber beetles and aphids, that can generally be managed through good cultural practices. The Clemson Cooperative Extension Home and Garden Information Center has a factsheet on common cucumis diseases as well as a factsheet on common insect pests and other problems. VIDEO Created by Laura Barth for "Vegetables, Herbs, Fruits, and Nuts," a plant identification course developed in partnership with Longwood Gardens.

Source: NC State Extension Gardener Plant Toolbox ↗ NC State Extension Gardener Plant Toolbox, 65 attributes.

How it fits the guild

Guild layer 6 - Vine (vertical) Optimal soil pH Acid (<6.0); Neutral (6.0-8.0)
See companions & conflicts ↓

Companions & Conflicts

Curated pairwise relationships between this plant and others in the library — who feeds whom, who competes, who confuses the pests. Green reads as a good pairing, red as one to avoid.

No curated interactions recorded for this species yet.

Also noted by NC State

Related species the NC State Plant Toolbox flags for this plant — look-alikes to tell apart, and plants that play a similar role in a planting. Ones we carry in the library are linked.

Full plant profile

Growing Conditions
Plant type
Annual; Edible; Vegetable; Vine; Warm Season Vegetable
Life cycle
Annual
USDA zones
9a, 9b, 10a, 10b, 11a, 11b
Light
Full sun (6 or more hours of direct sunlight a day)
Soil texture
Clay; High Organic Matter; Loam (Silt); Sand
Soil pH
Acid (<6.0); Neutral (6.0-8.0)
Soil drainage
Good Drainage | Moist
Available space
12 inches-3 feet
NC region
Coastal; Mountains; Piedmont
Growth rate
Rapid
Maintenance
Medium
Canopy layer
6 - Vine (vertical)
Form & Appearance
Habit / form
Climbing; Spreading
Texture
Coarse
Leaf color
Green
Leaf type
Simple
Leaf arrangement
Alternate
Leaf shape
Cordate; Orbicular
Leaf margin
Lobed; Serrate
Leaf feel
Prickly; Rough
Leaf size
3-6 inches long, 3-6 inches wide
Hairs present
Yes
Leaf detail
Large, hairy, triangular leaves with 3-5 lobes, deep wrinkles, and serrated margins borne on long petioles.
Flower color
Gold/Yellow
Flower value
Showy
Flower shape
Star
Flower size
< 1 inch
Flower detail
Yellow five-petaled flowers. Male and female flowers grow separately on the same plant. Multiple plants are required for successful pollination with the exception of seedless varieties. Some varieties have only female flowers and need a traditionally-flowering plant for pollination.
Bloom time
Summer
Fruit color
Green
Fruit type
Berry
Fruit value
Edible
Fruit size
> 3 inches long, 1-3 inches wide
Fruit detail
The "vegetable" is botanically a fruit– it is a pepo, a berry with a hard rind. Long and cylindrical, starting out prickly when young and smoothing out to a bumpy surface as it matures. Length and girth can vary based on cultivar and culinary purpose but grow at least 3 inches long. Some varieties are bred to be seedless. The surface of the fruit is covered in hairs, spines or warts.
Stem color
Green
Stem detail
Thin vining stems covered in prickly hairs.
Wildlife & Ecology
Native status
Non-native
Origin
Tanzania, Southern Africa
Distribution
Western United States, Texas, Southeastern United States, Mexico and South America
Attracts
Bees
Food & Medicine
Edible parts
Fruit; Seeds
Harvest time
Summer
Fruit type
Berry

Edibility

Fruits have a very agreeable cucumber flavor without any bitterness. Fresh cucumbers last in the fridge for about a week. Be aware that the sprouting seed produces a toxic substance in its embryo.

Uses (ethnobotany)

Can be used in salads, but is typically soaked in vinegar for pickles.

Landscape Use
Landscape location
Container; Vertical Spaces
Landscape theme
Edible Garden
Design feature
Mass Planting; Small groups
Garden tags
#non-toxic for cats #non-toxic for horses #non-toxic for dogs #warm season vegetable #heat tolerant #moist soil #container vegetable garden #vegetable garden #tendrils #well-drained soil #climber #edible
Problems & Resistance
Insect problems
Pests of Cucurbits; Insect and Related Pests of Vegetables
Disease problems
Cucurbit Downy Mildew; Gummy Stem Blight of Cucurbits; Anthracnose of Cucurbits; Cucurbit Powdery Mildew
Resistant to
Heat
Propagation
Seed

Planted at Hunnicutt

Nobody’s planted this one yet.