Oxypetalum coeruleum
Common Name(s):
Previously known as:
- Tweedia versicolor
- Phonetic Spelling
- oks-ee-PET-al-um ko-er-OO-lee-um
- Description
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For those who love blue flowers, Tweedia is a relatively new introduction related to our milkweeds. It perennializes in the warmer Piedmont and coastal plain, but can be grown as an annual in cooler areas. Good as a cut flower. Pinch back when young to encourage branching.
- See this plant in the following landscape:
- Cultivars / Varieties:
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- Tags:
- Cultivars / Varieties:
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- Tags:
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Attributes:
- Genus:
- Oxypetalum
- Species:
- coeruleum
- Family:
- Apocynaceae
- Life Cycle:
- Perennial
- Recommended Propagation Strategy:
- Seed
- Country Or Region Of Origin:
- Southern Brazil, Uruguay
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Whole Plant Traits:
- Plant Type:
- Annual
- Herbaceous Perennial
- Perennial
- Woody Plant Leaf Characteristics:
- Broadleaf Evergreen
- Semi-evergreen
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Cultural Conditions:
- Light:
- Full sun (6 or more hours of direct sunlight a day)
- Partial Shade (Direct sunlight only part of the day, 2-6 hours)
- Soil Drainage:
- Good Drainage
- NC Region:
- Coastal
- Piedmont
- USDA Plant Hardiness Zone:
- 8a, 8b, 9a, 9b, 10a, 10b
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Fruit:
- Fruit Type:
- Capsule
- Fruit Length:
- > 3 inches
- Fruit Description:
- Long, boat-shaped seed pods. Seeds have a downy tuft (cypsela) that allows them to be carried by the wind.
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Flowers:
- Flower Color:
- Blue
- Purple/Lavender
- Flower Value To Gardener:
- Good Cut
- Showy
- Flower Bloom Time:
- Summer
- Flower Petals:
- 4-5 petals/rays
- Flower Description:
- Blue 5-petaled flowers that fade to purple.
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Leaves:
- Woody Plant Leaf Characteristics:
- Broadleaf Evergreen
- Semi-evergreen
- Leaf Color:
- Gray/Silver
- Green
- Leaf Type:
- Simple
- Leaf Shape:
- Cordate
- Hairs Present:
- Yes
- Leaf Description:
- Downy, heart-shaped leaves
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Stem:
- Stem Is Aromatic:
- No
