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Conradina verticillata is often confused with:
Conradina canescens
Plants that fill a similar niche:
Armeria maritima
Dianthus deltoides
Thymus vulgaris

Conradina verticillata

Previously known as:

  • Conradina montana
Phonetic Spelling
kon-rah-DEE-nah ver-tik-il-LAH-tah
Description

Cumberland rosemary is a small native flowering evergreen perennial shrub in the mint family (Lamiaceae). This plant is found near the Cumberland Plateau in the eastern portions of the States of Kentucky and Tennessee. It grows in sandy or gravelly stream banks in areas that experience seasonal flooding followed by somewhat dry summers. The shrubs grow 1 to 2 feet tall and equally as wide with a clumping or matting habit. The stems spread along the ground and can root at nodes. Its leaves are dark green, needle-like, and fragrant, and its flowers are pinkish-lavender. two-lipped with red spots. The genus name, Conradina, is in honor of an American botanist, Solomon White Conrad, from the 18th century. The specific epithet, verticillata, refers to the plant's flowers, which form a false whorl known as a verticillaster.

Prefers well-drained sandy and poorer soil in full sun but will tolerate some shade. The soil should be medium to dry, and once established, the plant is drought-tolerant. Propagated by seeds and will reseed itself in ideal conditions.

The fragrant leaves resemble culinary rosemary, and the fragrant lavender-pink flowers appear in May to June.

Unfortunately, this plant has been listed as threatened by the United States Fish and Wildlife Service. It can not be sold in interstate commerce.

Insects, Diseases, and Other Plant Problems: Has no serious insect or disease problems.

See this plant in the following landscape :
Cultivars / Varieties:
  • 'Rocky Top'
    up to 6 inches tall, prostrate habit, mauve-violet flowers starting in May
  • 'Snowflake'
    up to 12 inches tall, needle-like foliage, tiny, white flowers in May and June
'Rocky Top', 'Snowflake'
Tags:
#evergreen#showy flowers#full sun tolerant#drought tolerant#pink flowers#fragrant leaves#native shrub#broadleaf evergreen#low maintenance#spring flowers#endangered#naturalizes#rock garden#clumping#naturalized area#sandy soils tolerant#dry soils tolerant#mat forming
 
Cultivars / Varieties:
  • 'Rocky Top'
    up to 6 inches tall, prostrate habit, mauve-violet flowers starting in May
  • 'Snowflake'
    up to 12 inches tall, needle-like foliage, tiny, white flowers in May and June
'Rocky Top', 'Snowflake'
Tags:
#evergreen#showy flowers#full sun tolerant#drought tolerant#pink flowers#fragrant leaves#native shrub#broadleaf evergreen#low maintenance#spring flowers#endangered#naturalizes#rock garden#clumping#naturalized area#sandy soils tolerant#dry soils tolerant#mat forming
  • Attributes:
    Genus:
    Conradina
    Species:
    verticillata
    Family:
    Lamiaceae
    Life Cycle:
    Woody
    Recommended Propagation Strategy:
    Seed
    Country Or Region Of Origin:
    East Central United States (Appalachian Mountains)
    Distribution:
    Kentucky and Tennessee/Cumberland Plateau/Piedmont areas.
    Edibility:
    It can be used as a rosemary substitute.
    Dimensions:
    Height: 1 ft. 0 in. - 2 ft. 0 in.
    Width: 1 ft. 0 in. - 2 ft. 0 in.
  • Whole Plant Traits:
    Plant Type:
    Native Plant
    Perennial
    Shrub
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Habit/Form:
    Clumping
    Maintenance:
    Low
    Texture:
    Fine
  • Cultural Conditions:
    Light:
    Full sun (6 or more hours of direct sunlight a day)
    Soil Texture:
    Sand
    Shallow Rocky
    Soil pH:
    Acid (<6.0)
    Soil Drainage:
    Good Drainage
    Occasionally Dry
    Available Space To Plant:
    12 inches-3 feet
    NC Region:
    Coastal
    Mountains
    Piedmont
    USDA Plant Hardiness Zone:
    6a, 6b, 7a, 7b, 8a, 8b
  • Fruit:
    Fruit Type:
    Schizocarp
    Fruit Length:
    < 1 inch
    Fruit Width:
    < 1 inch
    Fruit Description:
    The fruits are tiny, dry nutlets.
  • Flowers:
    Flower Color:
    Pink
    Purple/Lavender
    Flower Inflorescence:
    Cyme
    Solitary
    Flower Value To Gardener:
    Fragrant
    Showy
    Flower Bloom Time:
    Spring
    Summer
    Flower Size:
    < 1 inch
    Flower Description:
    The flowers are fragrant, 0.5 inches in diameter, two- lipped, lavender-pink flowers with red spots. The flowers may occur singularly or in clusters. Flowers in May to June
  • Leaves:
    Woody Plant Leaf Characteristics:
    Broadleaf Evergreen
    Leaf Color:
    Green
    Leaf Value To Gardener:
    Fragrant
    Leaf Type:
    Simple
    Leaf Arrangement:
    Opposite
    Leaf Shape:
    Linear
    Leaf Margin:
    Entire
    Hairs Present:
    No
    Leaf Length:
    < 1 inch
    Leaf Width:
    < 1 inch
    Leaf Description:
    The leaves are dark green, simple, opposite, 3/4 inches long, stiff, linear, sessile, needle-like with entire margins, and resemble rosemary. Has a minty fragrance.
  • Bark:
    Bark Color:
    Dark Brown
  • Stem:
    Stem Color:
    Brown/Copper
    Red/Burgundy
    Stem Is Aromatic:
    No
    Stem Cross Section:
    Square
    Stem Description:
    Has shaggy red-brown stems.
  • Landscape:
    Landscape Location:
    Naturalized Area
    Woodland
    Landscape Theme:
    Pollinator Garden
    Rock Garden
    Design Feature:
    Mass Planting
    Small groups
    Resistance To Challenges:
    Drought
    Dry Soil
    Poor Soil
    Problems:
    Short-lived