Oxypetalum coeruleum: Country Or Region Of Origin
Southern Brazil, Uruguay
Plant Profile: Oxypetalum coeruleum
Taxonomy: Oxypetalum coeruleumNames
Tweedia
Phonetic Spelling:oks-ee-PET-al-um ko-er-OO-lee-um
Genus:Oxypetalum
Species:coeruleum
Family:Apocynaceae
For enthusiasts of blue blooms, Tweedia is a recent addition to the milkweed family. It thrives as a perennial in the warmer regions of the Piedmont and coastal plains, yet it can also be cultivated as an annual in cooler climates. This plant makes an excellent choice for cut flowers. To promote branching, it's advisable to pinch back the young plants.
Oxypetalum coeruleum Feature Summary
Oxypetalum coeruleum Image Gallery
Tags
#evergreen
#full sun tolerant
#annual
#perennial
#partial sun
#blue flowers
#cut flowers
#well-drained soil
#summer flowers
Similar Plants
Oxypetalum coeruleum Feature Summary
Attributes
Southern Brazil, Uruguay
Perennial
Fruit
Long, boat-shaped seed pods. Seeds have a downy tuft (cypsela) that allows them to be carried by the wind.
Capsule
> 3 inches
Flowers
Blue 5-petaled flowers that fade to purple.
Purple/Lavender
Blue
Good Cut
Showy
Summer
4-5 petals/rays
Leaves
Downy, heart-shaped leaves
Broadleaf Evergreen
Semi-evergreen
Green
Gray/Silver
Simple
Cordate
Whole Plant Traits
Perennial
Annual
Herbaceous Perennial
Broadleaf Evergreen
Semi-evergreen
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)
Good Drainage
Coastal
Piedmont
8b
8a
9a
9b
10a
10b
Stem
Oxypetalum coeruleum Image Gallery
Oxypetalum coeruleum Attributes
Oxypetalum coeruleum: Life Cycle
Annual
Biennial
Bulb
Perennial
Woody
Oxypetalum coeruleum: Recommended Propagation Strategy
Division
Grafting
Layering
Leaf Cutting
Root Cutting
Seed
Stem Cutting
Oxypetalum coeruleum Fruit
Oxypetalum coeruleum: Fruit Description
Long, boat-shaped seed pods. Seeds have a downy tuft (cypsela) that allows them to be carried by the wind.
Oxypetalum coeruleum: Fruit Type
Achene
Aggregate
Berry
Capsule
Caryopsis
Drupe
Follicle
Legume
Nut
Pome
Samara
Schizocarp
Siliqua
Oxypetalum coeruleum: Fruit Length
< 1 inch
1-3 inches
> 3 inches
Oxypetalum coeruleum Flowers
Oxypetalum coeruleum: Flower Description
Blue 5-petaled flowers that fade to purple.
Oxypetalum coeruleum: Flower Color
Blue
Purple/Lavender
Oxypetalum coeruleum: Flower Value To Gardener
Edible
Fragrant
Good Cut
Good Dried
Long Bloom Season
Long-lasting
Showy
Oxypetalum coeruleum: Flower Bloom Time
Winter
Spring
Summer
Fall
Oxypetalum coeruleum: 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
Oxypetalum coeruleum Leaves
Oxypetalum coeruleum: Leaf Description
Downy, heart-shaped leaves
Oxypetalum coeruleum: Woody Plant Leaf Characteristics
Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen
Oxypetalum coeruleum: Leaf Color
Gray/Silver
Green
Oxypetalum coeruleum: Leaf Type
Compound (Pinnately , Bipinnately, Palmately)
Fronds
Needles
Sheath
Simple
Oxypetalum coeruleum: 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
Oxypetalum coeruleum: Hairs Present
No
Yes
Oxypetalum coeruleum Whole Plant Traits
Oxypetalum coeruleum: 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
Oxypetalum coeruleum: Woody Plant Leaf Characteristics
Broadleaf Evergreen
Deciduous
Needled Evergreen
Semi-evergreen
Oxypetalum coeruleum Cultural Conditions
Oxypetalum coeruleum: 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)
Oxypetalum coeruleum: Soil Drainage
Frequent Standing Water
Good Drainage
Moist
Occasional Flooding
Occasionally Dry
Occasionally Wet
Very Dry
Oxypetalum coeruleum: NC Region
Coastal
Mountains
Piedmont
Oxypetalum coeruleum: USDA Plant Hardiness Zone
10a
10b
8a
8b
9a
9b
Oxypetalum coeruleum Stem
Oxypetalum coeruleum: Stem Is Aromatic
No
Yes
