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Flaigg, Norman G.
Clematis crispa L.
Swamp leatherflower, Curly clematis, Blue jasmine, Curlflower
Synonyms: Viorna crispa, Viorna obliqua
USDA Symbol: clcr
USDA Native Status: Native to U.S.
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.
AL , AR , FL , GA , IL , KY , LA , MO , MS , NC , OK , SC , TN , TX , VA Native Distribution:
Chiefly Coastal Plain and Mississippi River valley from VA to FL & MS, n. to TN, AR, & s. IL, Zones 6 to 9 Native Habitat:
Wet woods and marshes USDA Native Status: L48(N)
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.
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Record Modified: 2009-02-17
Research By: TWC Staff