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Flaigg, Lillian G.
Glandularia canadensis (L.) Nutt.
Rose vervain, Sweet william, Rose mock vervain
Synonyms: Glandularia drummondii,
Verbena canadensis var. atroviolacea,
Verbena canadensis var. compacta,
Verbena canadensis var. drummondii,
Verbena canadensis var. grandiflora,
Verbena canadensis var. lambertii,
USDA Symbol: GLCA2
USDA Native Status: Native to U.S.
Rose vervain is a creeping annual or perennial, rooting at the nodes to form large, dense mats 5-10 in. high. Clusters of fragrant, rose-pink, five-petaled, tubular flowers occur at branch tips. The leaves may be hairy and are deeply toothed. This showy vervain is especially good for rock gardens; although it is a southern species, it is tolerant of northern climates. The somewhat similar Purple Prairie Verbena (G. bipinnatifida) has a bristly-hairy stem and finely divided leaves with stiff hairs; it occurs in fields and along sandy roadsides in Quebec and from South Dakota and Wisconsin south to Florida and Texas. Stiff Vervain (Verbena rigida), with toothed, lanceolate leaves and a more elongated flower cluster, occurs from Virginia south to Florida and west to Texas and Oklahoma.
This species is a member of the verbena family (family Verbenaceae), which includes about 75 genera and 3,000 species of herbs, shrubs, and trees, mostly of tropical and warm temperate regions. Among them, teak is a highly prized furniture wood, and Vervain, Lantana, Lippia or Frog Fruit, and Chaste Tree or Vitex are grown as ornamentals.
Plant CharacteristicsDuration: Perennial Habit: Herb Leaf Retention: Evergreen Size Notes:
Up to 10 inches high Flower:
Flowers in 2 inch clusters
Fruit: Size Class:
Bloom InformationBloom Color: Pink
Bloom Time: Feb , Mar , Apr , May , Jun , Jul , Aug , Sep
Bloom Notes: Rosy pink in color
AL , AR , CO , CT , FL , GA , IA , IL , IN , KS , KY , LA , MI , MN , MO , MS , NC , NE , NM , OH , OK , PA , SC , TN , TX , VA , WI , WV Native Distribution:
Illinois south to central Texas, west to Colorado, east to Virginia and Florida Native Habitat:
Prairies, plains, meadows, savannahs, woodland edges, forest openings, lightly shaded woods, pastures USDA Native Status: L48(N)
Growing ConditionsWater Use: Medium
Light Requirement: Part Shade
Soil Moisture: Moist
Soil pH: Acidic (pH<6.8)
Soil Description: Poor, acidic, sandy or rocky, moist but well-drained soils
Conditions Comments: North of the Red River where winters are harsh, behaves as an annual. South of there, a perennial. During droughts, can lose leaves.
BenefitUse Ornamental: Aromatic groundcover well-behaved enough to be used in flower beds. Also good for landscape restoration.
Use Wildlife: Attracts butterflies, rabbits, and deer.
Conspicuous Flowers: yes
Fragrant Flowers: yes
Fragrant Foliage: yes
Nectar Source: yes
Deer Resistant: No
PropagationPropagation Material: Root Division , Seeds , Softwood Cuttings
Description: Seed sown in spring or fall, cuttings, and root division are methods of propagation.
Commercially Avail: yes
Maintenance: Water during dry summers to prevent leaf loss. Mulch in winter to prevent freezing to death.
From the National Suppliers Directory
According to the inventory provided by Associate Suppliers, this plant is available at the following locations:
- Springwater, NY
Herbarium Specimen(s)NPSOT 0348
Collected May 28, 1987 in Bexar County by Harry Cliffe
Recommended Species Lists
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Record Modified: 2012-12-09
Research By: TWC Staff