• Photo of Cucurbita pepo (Cucurbita pepos)

Plant Profile: Cucurbita pepo

Taxonomy: Cucurbita pepo

Names

Acorn Squash, Courgette, Field Pumpkin, Marrow, Ornamental Gourd, Patty Pan Squash, Pumpkin, Spaghetti Squash, Squash, Summer Squash, Winter Squash, Zucchini

  • Photo of Cucurbita pepo (Cucurbita pepos)

Phonetic Spelling:koo-KER-bih-ta PEP-oh

Genus:Cucurbita

Species:pepo

Family:Cucurbitaceae

Cucurbita pepo, commonly known as acorn squash, is a vigorous vine characterized by its yellow, fruit-bearing flowers. The squash has a subtle taste and can be prepared in various ways, including frying, baking, incorporating into pasta dishes, or using in soups. Indigenous to North America, acorn squash thrives in moderately moist soil and requires ample sunlight for optimal growth. To enhance its development, it's beneficial to enrich the soil with compost in late fall. Additionally, applying mulch around the plants helps retain moisture and minimizes competition from weeds.

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

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

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

Cucurbita pepo Feature Summary

Cucurbita pepo Image Gallery

Tags

#showy flowers
#full sun tolerant
#annual
#edible plant
#easy to grow
#wildlife plant
#showy
#yellow flowers
#edible flowers
#large leaves
#mass planting
#high maintenance
#seeds
#moist soil
#fast growing
#herbaceous
#easy to transplant
#organic soils
#vines
#vegetable garden
#herbaceous vine
#large spaces
#prickly
#edible landscaping
#attractive leaves
#coarse
#rich soil
#groundcover
#annual flowers
#edible fruits
#vegetable
#edible garden
#vertical spaces
#edible
#herbaceous annual
#annual vegetable
#vine
#seed
#warm season vegetable
#non-toxic for horses
#non-toxic for dogs
#non-toxic for cats

Similar Plants

Cucurbita pepo is often confused with:

Cucurbita pepo Feature Summary

Attributes
Edible fruit
Wildlife Food Source
Attractive Flowers
Easy to Grow
Fruit
A type of berry called a pepo that has a hard rind. Fruits may be long or round, large or small, smooth or warty– some have edible flesh and some are too hard or insipid to eat, though the seeds of all are edible. Has a harder, thicker stem compared to other species.
Green
Red/Burgundy
Gold/Yellow
Cream/Tan
Pink
Black
Variegated
Orange
White
> 3 inches
> 3 inches
Flowers
5-parted 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. Alternate with palmate lobing and venation, often 3-7 lobes.
> 6 inches
Prickly
> 6 inches
Whole Plant Traits
Annual
Edible
Vine
Ground Cover
Vegetable
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 pepo Attributes

Cucurbita pepo: Country Or Region Of Origin

North America

Cucurbita pepo: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Cucurbita pepo: Recommended Propagation Strategy

Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting

Cucurbita pepo: 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 pepo: Climbing Method

Clinging
Scrambler
Tendrils
Twining

Cucurbita pepo Fruit

Cucurbita pepo: Fruit Description

A type of berry called a pepo that has a hard rind. Fruits may be long or round, large or small, smooth or warty– some have edible flesh and some are too hard or insipid to eat, though the seeds of all are edible. Has a harder, thicker stem compared to other species.

Cucurbita pepo: Fruit Type

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

Cucurbita pepo: Fruit Color

grass
Black
grass
Cream/Tan
grass
Gold/Yellow
grass
Green
grass
Orange
grass
Pink
grass
Red/Burgundy
grass
Variegated
grass
White

Cucurbita pepo: Fruit Value To Gardener

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

Cucurbita pepo: Display/Harvest Time

Fall
Spring
Summer
Winter

Cucurbita pepo: Fruit Length

< 1 inch
1-3 inches
> 3 inches

Cucurbita pepo: Fruit Width

< 1 inch
1-3 inches
> 3 inches

Cucurbita pepo Flowers

Cucurbita pepo: Flower Description

5-parted yellow flowers. Monecious, with separate male and female flowers on the same plant.

Cucurbita pepo: Flower Color

filter_vintage
Gold/Yellow

Cucurbita pepo: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Cucurbita pepo: Flower Value To Gardener

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

Cucurbita pepo: Flower Bloom Time

Winter
Spring
Summer
Fall

Cucurbita pepo: 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 pepo: Flower Shape

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

Cucurbita pepo: Flower Size

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

Cucurbita pepo Leaves

Cucurbita pepo: Leaf Description

Large, simple leaves. Alternate with palmate lobing and venation, often 3-7 lobes.

Cucurbita pepo: Leaf Color

spa
Green

Cucurbita pepo: Leaf Type

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

Cucurbita pepo: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Cucurbita pepo: 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 pepo: Leaf Margin

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

Cucurbita pepo: Hairs Present

No
Yes

Cucurbita pepo: Leaf Length

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

Cucurbita pepo: Leaf Feel

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

Cucurbita pepo: Leaf Width

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

Cucurbita pepo Stem

Cucurbita pepo: Stem Description

Dark green

Cucurbita pepo: Stem Color

grass
Green

Cucurbita pepo: Stem Is Aromatic

No
Yes

Cucurbita pepo Whole Plant Traits

Cucurbita pepo: 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 pepo: Growth Rate

Slow
Medium
Rapid

Cucurbita pepo: Maintenance

Low
Medium
High

Cucurbita pepo: Texture

Fine
Medium
Coarse

Cucurbita pepo: Appendage

Prickles
Spines
Tendrils
Thorns

Cucurbita pepo Cultural Conditions

Cucurbita pepo: 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 pepo: Soil pH

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

Cucurbita pepo: Soil Drainage

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

Cucurbita pepo: 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 pepo: NC Region

Coastal
Mountains
Piedmont

Cucurbita pepo: 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 pepo: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Cucurbita pepo Landscape

Cucurbita pepo: 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 pepo: 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 pepo: 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