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Flaigg, Norman G.
Clematis crispa L.
Swamp leatherflower, Curly clematis, Blue jasmine, Curlflower
Synonym(s): Clematis crispa var. walteri, Coriflora crispa, Viorna crispa, Viorna crispa var. walteri, Viorna obliqua
USDA Symbol: CLCR
USDA Native Status: L48 (N)
A climbing or weakly ascending herbaceous vine which can reach 10 ft. with support. Leaves are opposite, consisting of 2 pairs of leaflets. he pinnately compound, deciduous leaves have 3-5 linear to ovate leaflets. The mildly fragrant, pinkish purple flowers grow on a naked stem and hang upside down. They have no petals, but the petal-like sepals are joined in a way that gives them the shape of an urn. They separate into 4 petal-like lobes at the rim, where they are wavy and crimped, curling backward and to the side.
Plant CharacteristicsDuration: Perennial Habit: Vine Leaf Retention: Deciduous Leaf Arrangement: Opposite Leaf Complexity: Pinnate Size Notes:
Normally climbs or trails 6 to 10 feet. Will lose its leaves in mild winters, die to the ground in harsh winters, then come back in the spring. Flower:
Flowers 1 to 2 inches
Fruit: Size Class:
Bloom InformationBloom Color: White , Pink , Blue , Purple
Bloom Time: Mar , Apr , May , Jun , Jul , Aug , Sep
Bloom Notes: Normally blooms mid-spring and again in early fall, but may bloom lightly through the summer as well. Color ranges from blue to pink to lavender to white.
, VA Native Distribution:
Chiefly Coastal Plain and Mississippi River valley from VA
n. to TN, AR,
& s. IL,
Zones 6 to 9 Native Habitat:
Wet woods and marshes
Growing ConditionsWater Use: Medium , High
Light Requirement: Sun , Part Shade
Soil Moisture: Moist , Wet
Soil pH: Acidic (pH<6.8)
Cold Tolerant: yes
Heat Tolerant: yes
Soil Description: Rich, moist or wet, acidic soils. Sandy, Sandy Loam, Medium Loam, Clay Loam, Clay.
BenefitUse Ornamental: Blooms ornamental. Twines on fences, screens, & other plants. Patio pot plant. Climbs walls, columns, and arbors. Without support, can be used to sprawl over low structures like steps or low walls.
Use Wildlife: Seeds-granivorous birds, Nectar-butterflies, Nectar-insects
Conspicuous Flowers: yes
Fragrant Flowers: yes
Attracts: Birds , Butterflies
Nectar Source: yes
PropagationPropagation Material: Root Cuttings , Seeds , Softwood Cuttings
Description: Take softwood cuttings in summer. Can also be propagated by seed or root cuttings.
Seed Treatment: A 60-180 day period of cold-moist stratification at 33-40 degrees aids in the germination of stored seeds.
National Wetland Indicator Status
This information is derived from the U.S. Army Corps of Engineers National Wetland Plant List, Version 3.1
(Lichvar, R.W. 2013. The National Wetland Plant List: 2013 wetland ratings. Phytoneuron 2013-49: 1-241). Click here
for map of regions.
Record Last Modified: 2013-10-24
Research By: TWC Staff