• Photo of Clematis crispa (Clematis crispas)

Plant Profile: Clematis crispa

Taxonomy: Clematis crispa

Names

Blue Jasmine, Curly Clematis, Marsh Clematis, Swamp Leather Flower

  • Photo of Clematis crispa (Clematis crispas)

Phonetic Spelling:KLEM-ah-tiss KRISP-uh

Genus:Clematis

Species:crispa

Family:Ranunculaceae

Blue Jasmine is a semi-woody clematis vine that thrives in the wet environments of southeastern North America, such as swamps and floodplains. During winter, this vine typically dies back to the ground. To encourage its vigorous growth, it is essential to provide regular moisture and fertilization in the spring. Applying mulch around the base of the plant can help maintain cool and moist roots. This vine produces flowers in the spring and again in the fall, with the potential for occasional blooms throughout the summer.

For optimal growth, Blue Jasmine requires consistently moist soil, making it an excellent choice for planting near water features like water gardens, rain gardens, or streams, as well as in native plant gardens. It can either climb structures such as trellises, fences, walls, or arbors, or it can be left unsupported to serve as ground cover.

Preferred habitats include marshes, both tidal and non-tidal swamps, floodplain forests, and other disturbed wet or moist areas. Fortunately, this plant does not face significant issues with insects or diseases, although wilt can occasionally be a serious concern.

Clematis crispa Feature Summary

Clematis crispa Image Gallery

Tags

#purple
#hummingbirds
#white
#showy flowers
#deciduous
#fragrant flowers
#blue
#specimen
#wildlife plant
#pink flowers
#moths
#nectar plant
#wet sites
#NC native
#fences
#trellises
#deer resistant
#pollinator plant
#food source summer
#food source fall
#food source nectar
#food source pollen
#Coastal FACW
#Piedmont Mountains FACW
#bird friendly
#food source hard mast fruit
#butterfly friendly
#arbor
#problem for cats
#problem for dogs
#bee friendly
#problem for horses
#audubon

Similar Plants

Clematis crispa Feature Summary

Attributes
Central & South Eastern U.S.A.
AL , AR , FL , GA , IL , KY , LA , MO , MS , NC , OK , SC , TN , TX , VA
Butterflies, bees, and hummingbirds are attracted to the flower. Less damage by deer than other clematis.
Perennial
Attracts Pollinators
Fruit
Attractive spider-like seed heads each with a silky-plumose tail. Flowers display from June to October.
Flowers
1-2 inch blooms in April-August are blue-purple with 4-8 strongly recurved sepals and many stamens.
Pink
Purple/Lavender
White
Blue
Spring
Summer
Colored Sepals
1-3 inches
Leaves
Compound stems have 3-5 oval leaflets.
Compound (Pinnately , Bipinnately, Palmately)
Lanceolate
Obovate
Poisonous to Humans
Clematis can cause severe mouth pain and ulcers if eaten. Toxic to dogs, cats, horses. Clinical signs are salivation, vomiting, diarrhea. In humans, symptoms may include dizziness, confusion, fainting, and convulsions. Fatalities are rare, due to the rapid and intense bitter taste and mouth irritation from eating. Gastric lavage is recommended and anti-inflammatory to soothe irritated tissue. Contact dermatitis results in skin redness and burning sensation for some people, gardening gloves are recommended.
Leaves
Sap/Juice
Whole Plant Traits
Native Plant
Poisonous
Vine
Ground Cover
Medium
Cultural Conditions
Full sun (6 or more hours of direct sunlight a day)
Partial Shade (Direct sunlight only part of the day, 2-6 hours)
Deep shade (Less than 2 hours to no direct sunlight)
Acid (<6.0)
Good Drainage
Moist
Occasionally Wet
Coastal
Mountains
Piedmont
Clay
Loam (Silt)
Sand
Landscape
Butterfly Garden
Pollinator Garden
Rain Garden
Native Garden
Water Garden
Screen/Privacy
Specimen
Deer
Wet Soil
Rabbits
Black Walnut
Patio
Vertical Spaces
Butterflies
Bees
Hummingbirds
Poisonous to Humans
Problem for Cats
Problem for Dogs
Problem for Horses

Clematis crispa Attributes

Clematis crispa: Country Or Region Of Origin

Central & South Eastern U.S.A.

Clematis crispa: Distribution

AL , AR , FL , GA , IL , KY , LA , MO , MS , NC , OK , SC , TN , TX , VA

Clematis crispa: Wildlife Value

Butterflies, bees, and hummingbirds are attracted to the flower. Less damage by deer than other clematis.

Clematis crispa: Particularly Resistant To (Insects/Diseases/Other Problems)

Heat tolerant.

Clematis crispa: Life Cycle

Annual
Biennial
Bulb
Perennial
Woody

Clematis crispa: 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

Clematis crispa: Climbing Method

Clinging
Scrambler
Tendrils
Twining

Clematis crispa Fruit

Clematis crispa: Fruit Description

Attractive spider-like seed heads each with a silky-plumose tail. Flowers display from June to October.

Clematis crispa: Fruit Type

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

Clematis crispa: Fruit Value To Gardener

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

Clematis crispa: Display/Harvest Time

Fall
Spring
Summer
Winter

Clematis crispa Flowers

Clematis crispa: Flower Description

1-2 inch blooms in April-August are blue-purple with 4-8 strongly recurved sepals and many stamens.

Clematis crispa: Flower Color

filter_vintage
Blue
filter_vintage
Pink
filter_vintage
Purple/Lavender
filter_vintage
White

Clematis crispa: Flower Inflorescence

Catkin
Corymb
Cyme
Head
Insignificant
Panicle
Raceme
Solitary
Spadix
Spike
Umbel

Clematis crispa: Flower Value To Gardener

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

Clematis crispa: Flower Bloom Time

Winter
Spring
Summer
Fall

Clematis crispa: 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

Clematis crispa: Flower Shape

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

Clematis crispa: Flower Size

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

Clematis crispa Leaves

Clematis crispa: Leaf Description

Compound stems have 3-5 oval leaflets.

Clematis crispa: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Clematis crispa: Leaf Color

spa
Green

Clematis crispa: Leaf Type

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

Clematis crispa: Leaf Arrangement

Alternate
Opposite
Other/more complex
Rosulate
Whorled

Clematis crispa: 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

Clematis crispa: Leaf Margin

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

Clematis crispa: Hairs Present

No
Yes

Clematis crispa Poisonous to Humans

Clematis crispa: Poison Symptoms

Clematis can cause severe mouth pain and ulcers if eaten. Toxic to dogs, cats, horses. Clinical signs are salivation, vomiting, diarrhea. In humans, symptoms may include dizziness, confusion, fainting, and convulsions. Fatalities are rare, due to the rapid and intense bitter taste and mouth irritation from eating. Gastric lavage is recommended and anti-inflammatory to soothe irritated tissue. Contact dermatitis results in skin redness and burning sensation for some people, gardening gloves are recommended.

Clematis crispa: Poison Toxic Principle

protoanemonin

Clematis crispa: Poison Severity

High
Low
Medium

Clematis crispa: Causes Contact Dermatitis

No
Yes

Clematis crispa: Poison Part

Bark
Flowers
Fruits
Leaves
Roots
Sap/Juice
Seeds
Stems

Clematis crispa Whole Plant Traits

Clematis crispa: 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

Clematis crispa: Woody Plant Leaf Characteristics

Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen

Clematis crispa: Growth Rate

Slow
Medium
Rapid

Clematis crispa: Maintenance

Low
Medium
High

Clematis crispa: Texture

Fine
Medium
Coarse

Clematis crispa Cultural Conditions

Clematis crispa: 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)

Clematis crispa: Soil pH

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

Clematis crispa: Soil Drainage

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

Clematis crispa: 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

Clematis crispa: NC Region

Coastal
Mountains
Piedmont

Clematis crispa: USDA Plant Hardiness Zone

thermostat
6a
thermostat
6b
thermostat
7a
thermostat
7b
thermostat
8a
thermostat
8b
thermostat
9a
thermostat
9b

Clematis crispa: Soil Texture

Clay
High Organic Matter
Loam (Silt)
Sand
Shallow Rocky

Clematis crispa Stem

Clematis crispa: Stem Is Aromatic

No
Yes

Clematis crispa Landscape

Clematis crispa: 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

Clematis crispa: 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

Clematis crispa: Resistance To Challenges

Black Walnut
Compaction
Deer
Diseases
Drought
Dry Soil
Erosion
Fire
Foot Traffic
Heat
Heavy Shade
Humidity
Insect Pests
Pollution
Poor Soil
Rabbits
Salt
Slugs
Squirrels
Storm damage
Urban Conditions
Voles
Wet Soil
Wind

Clematis crispa: 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

Clematis crispa: Attracts

Bats
Bees
Butterflies
Frogs
Hummingbirds
Moths
Pollinators
Predatory Insects
Reptiles
Small Mammals
Songbirds
Specialized Bees

Clematis crispa: Problems

Allelopathic
Contact Dermatitis
Frequent Disease Problems
Frequent Insect Problems
Invasive Species
Malodorous
Messy
Poisonous to Humans
Problem for Cats
Problem for Children
Problem for Dogs
Problem for Horses
Short-lived
Spines/Thorns
Weak Wood
Weedy