• Photo of Cucurbita maxima (Cucurbita maximas)

Plant Profile: Cucurbita maxima

Taxonomy: Cucurbita maxima

Names

Autumn Squash, Buttercup Squash, Hubbard Squash, Marrow, Pumpkin, Squash, Turban Gourd, Winter Squash

  • Photo of Cucurbita maxima (Cucurbita maximas)

Phonetic Spelling:koo-KER-bih-ta MAKS-ih-muh

Genus:Cucurbita

Species:maxima

Family:Cucurbitaceae

Cucurbita maxima, commonly known as winter squash, is a warm-season annual vine that either sprawls across the ground or ascends structures with the help of tendrils. It produces yellow flowers that bear fruit in the fall. The squash has a subtle flavor and can be prepared in various ways, including frying, baking, incorporating into pasta dishes, or using in soups. Originating from Central and South America, winter squash is a vigorous grower that thrives in moderately moist soil with ample sunlight.

While winter squash is ideally suited for expansive landscapes, it also flourishes in vegetable gardens, on trellises, and as a ground cover for bare soil. It is straightforward to sow from seed, particularly when the soil temperature is warm. Transplanting of Cucurbita maxima should occur in late spring or early summer, ideally after the last frost.

Common pests and issues include slugs, aphids, and beetles.

The term "Cucurbita" is derived from Latin, meaning gourd, while "maxima" translates to largest.

For further details on Cucurbita, please refer to additional resources.

Cucurbita maxima Feature Summary

Cucurbita maxima Image Gallery

Tags

#showy flowers
#full sun tolerant
#annual
#edible plant
#easy to grow
#wildlife plant
#showy
#yellow flowers
#edible flowers
#colorful
#tendrils
#large leaves
#mass planting
#seeds
#showy fruits
#fast growing
#herbaceous
#well-drained soil
#organic soils
#vines
#vegetable garden
#herbaceous vine
#yellow fruits
#prickly
#edible landscaping
#attractive leaves
#coarse
#groundcover
#annual flowers
#edible fruits
#fall fruits
#vegetable
#edible garden
#orange fruits
#vertical spaces
#green leaves
#edible
#herbaceous annual
#annual vegetable
#white fruits
#flowering vine
#loamy soils tolerant
#fruits
#colorful fruits
#rough leaves
#loam
#vine
#fruits early fall
#seed
#loamy soil
#warm season vegetable
#flowering
#large plant
#non-toxic for horses
#non-toxic for dogs
#flowers
#non-toxic for cats

Similar Plants

Cucurbita maxima is often confused with:

Cucurbita maxima Feature Summary

Attributes
Edible fruit
Wildlife Food Source
Colorful
Attractive Flowers
Easy to Grow
Fruit
Soft or hard-shelled berries called pepos come in a variety of colors, shapes, and sizes and are harvested in the fall. The stems of the fruits generally have a soft corky texture compared to other species.
Red/Burgundy
Gray/Silver
Gold/Yellow
Cream/Tan
Pink
Blue
Variegated
Orange
White
Edible
Showy
Long-lasting
> 3 inches
> 3 inches
Flowers
Large, pale to deep yellow flowers. Monecious, with separate male and female flowers on the same plant.
Gold/Yellow
4-5 petals/rays
Funnel
Star
3-6 inches
Leaves
Large, simple leaves that are often rough and prickly. Alternate arrangement with palmate lobing and venation, although is often only shallowly lobed.
Orbicular
Reniform
Peltate
> 6 inches
Prickly
Rough
> 6 inches
Stem
Whole Plant Traits
Annual
Edible
Vine
Ground Cover
Vegetable
Climbing
Coarse
Tendrils
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Neutral (6.0-8.0)
Good Drainage
Moist
Coastal
Mountains
Piedmont
4a
4b
5b
5a
6a
6b
7a
7b
8b
8a
3a
3b
9a
9b
10a
10b
11a
11b
High Organic Matter
Loam (Silt)
Landscape
Edible Garden
Mass Planting
Small groups
Vertical Spaces

Cucurbita maxima Attributes

Cucurbita maxima: Country Or Region Of Origin

South America

Cucurbita maxima: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Cucurbita maxima: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Cucurbita maxima: Play Value

Attractive Flowers
Attracts Pollinators
Buffer
Colorful
Defines Paths
Easy to Grow
Edible fruit
Fragrance
Pieces Used in Games
Screening
Shade
Sound
Textural
Wildlife Cover/Habitat
Wildlife Food Source
Wildlife Larval Host
Wildlife Nesting
Wind Break
Wind Shimmer

Cucurbita maxima: Climbing Method

Clinging
Scrambler
Tendrils
Twining

Cucurbita maxima Fruit

Cucurbita maxima: Fruit Description

Soft or hard-shelled berries called pepos come in a variety of colors, shapes, and sizes and are harvested in the fall. The stems of the fruits generally have a soft corky texture compared to other species.

Cucurbita maxima: Fruit Type

Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua

Cucurbita maxima: Fruit Color

grass
Blue
grass
Cream/Tan
grass
Gold/Yellow
grass
Gray/Silver
grass
Orange
grass
Pink
grass
Red/Burgundy
grass
Variegated
grass
White

Cucurbita maxima: Fruit Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Cucurbita maxima: Display/Harvest Time

Fall
Spring
Summer
Winter

Cucurbita maxima: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Cucurbita maxima: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Cucurbita maxima Flowers

Cucurbita maxima: Flower Description

Large, pale to deep yellow flowers. Monecious, with separate male and female flowers on the same plant.

Cucurbita maxima: Flower Color

filter_vintage
Gold/Yellow

Cucurbita maxima: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Cucurbita maxima: Flower Value To Gardener

Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy

Cucurbita maxima: Flower Bloom Time

Winter
Spring
Summer
Fall

Cucurbita maxima: Flower Petals

2-3 rays/petals
4-5 petals/rays
6 petals/rays
7 - 20 petals/rays
asymmetrical petals
Bracts
Colored Sepals
fused petals
more than 20 petals/rays
Tepals

Cucurbita maxima: Flower Shape

Bell
Cross
Crown
Cup
Dome
Funnel
Irregular
Lipped
Radial
Saucer
Star
Trumpet
Tubular
Urn
Wheel

Cucurbita maxima: Flower Size

1-3 inches
3-6 inches
< 1 inch
> 6 inches

Cucurbita maxima Leaves

Cucurbita maxima: Leaf Description

Large, simple leaves that are often rough and prickly. Alternate arrangement with palmate lobing and venation, although is often only shallowly lobed.

Cucurbita maxima: Leaf Color

spa
Green

Cucurbita maxima: Leaf Type

Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple

Cucurbita maxima: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Cucurbita maxima: Leaf Shape

Acicular
Auriculate
Cordate
Cuneate
Deltoid
Elliptical
Filiform
Lanceolate
Linear
Oblanceolate
Oblong
Obovate
Obtuse
Orbicular
Ovate
Palmasect
Palmatifid
Peltate
Pinnatifid
Pinnatisect
Reniform
Rhomboidal
Spatulate
Subcordate
Subulate

Cucurbita maxima: Leaf Margin

Crenate
Crenulate
Dentate
Denticulate
Doubly Crenate
Doubly Dentate
Doubly Serrate
Entire
Lobed
Serrate
Sinuate
Undulate

Cucurbita maxima: Hairs Present

No
Yes

Cucurbita maxima: Leaf Length

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Cucurbita maxima: Leaf Feel

Fleshy
Glossy
Leathery
Papery
Prickly
Rough
Rubbery
Slippery
Smooth
Soft
Velvety
Waxy

Cucurbita maxima: Leaf Width

< 1 inch
1-3 inches
3-6 inches
> 6 inches

Cucurbita maxima Stem

Cucurbita maxima: Stem Description

Dark green in color.

Cucurbita maxima: Stem Color

grass
Green

Cucurbita maxima: Stem Is Aromatic

No
Yes

Cucurbita maxima Whole Plant Traits

Cucurbita maxima: Plant Type

Annual
Bulb
Carnivorous
Edible
Epiphyte
Fern
Ground Cover
Herb
Herbaceous Perennial
Houseplant
Mushroom
Native Plant
Ornamental Grasses and Sedges
Perennial
Poisonous
Rose
Shrub
Succulent
Tree
Turfgrass
Vegetable
Vine
Water Plant
Weed
Wildflower

Cucurbita maxima: Habit/Form

Arching
Ascending
Broad
Cascading
Climbing
Clumping
Columnar
Conical
Creeping
Dense
Erect
Horizontal
Irregular
Mounding
Multi-stemmed
Multi-trunked
Open
Oval
Prostrate
Pyramidal
Rounded
Spreading
Vase
Weeping

Cucurbita maxima: Growth Rate

Slow
Medium
Rapid

Cucurbita maxima: Maintenance

Low
Medium
High

Cucurbita maxima: Texture

Fine
Medium
Coarse

Cucurbita maxima: Appendage

Prickles
Spines
Tendrils
Thorns

Cucurbita maxima Cultural Conditions

Cucurbita maxima: Light

Dappled Sunlight (Shade through upper canopy all day)
Deep shade (Less than 2 hours to no direct sunlight)
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)

Cucurbita maxima: Soil pH

Acid (<6.0)
Alkaline (>8.0)
Neutral (6.0-8.0)

Cucurbita maxima: Soil Drainage

Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry

Cucurbita maxima: Available Space To Plant

12 inches-3 feet
12-24 feet
24-60 feet
3 feet-6 feet
6-feet-12 feet
Less than 12 inches
more than 60 feet

Cucurbita maxima: NC Region

Coastal
Mountains
Piedmont

Cucurbita maxima: USDA Plant Hardiness Zone

thermostat
10a
thermostat
10b
thermostat
11a
thermostat
11b
thermostat
3a
thermostat
3b
thermostat
4a
thermostat
4b
thermostat
5a
thermostat
5b
thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Cucurbita maxima: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Cucurbita maxima Landscape

Cucurbita maxima: Landscape Theme

Asian Garden
Butterfly Garden
Children's Garden
Cottage Garden
Cutting Garden
Drought Tolerant Garden
Edible Garden
English Garden
Fairy Garden
Garden for the Blind
Native Garden
Nighttime Garden
Pollinator Garden
Rain Garden
Rock Garden
Shade Garden
Water Garden
Winter Garden

Cucurbita maxima: Design Feature

Accent
Barrier
Border
Flowering Tree
Foundation Planting
Hedge
Mass Planting
Screen/Privacy
Security
Shade Tree
Small groups
Small Tree
Specimen
Street Tree
Understory Tree

Cucurbita maxima: Landscape Location

Coastal
Container
Hanging Baskets
Houseplants
Lawn
Meadow
Naturalized Area
Near Septic
Patio
Pond
Pool/Hardscape
Recreational Play Area
Riparian
Rock Wall
Slope/Bank
Small Space
Vertical Spaces
Walkways
Woodland