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Trientalis borealis ssp. borealis (Starflower)
Bruso, George H.

Trientalis borealis ssp. borealis

Trientalis borealis Raf. ssp. borealis

Starflower, Maystar

Primulaceae (Primrose Family)

Synonym(s): Trientalis americana


USDA Native Status: L48 (N), CAN (N), SPM (N)

The slender, upright stem is usually less than 8 in. tall and is topped by a whorl of lance-shaped leaves which itself is topped by a loose cluster of starry, white flowers on slender stalks. Fragile, white flowers are on delicate stalks arising from a whorl of 5-9 leaves.

The backgrounds of shiny green leaves against which these pure white, star-like flowers are set accentuates the allusion to a star. The genus name is from a Latin word meaning one-third of a foot and refers to the height of the plant.


From the Image Gallery

1 photo(s) available in the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Herb
Size Class: 0-1 ft.

Bloom Information

Bloom Color: White
Bloom Time: Jun , Jul


USA: CT , DC , DE , GA , IL , IN , KY , MA , MD , ME , MI , MN , NC , NH , NJ , NY , OH , PA , RI , TN , VA , VT , WI , WV
Canada: NB , NS , PE
Native Distribution: Lab. to Sask., s. to VA, mts. to GA, OH & MN
Native Habitat: Mixed woods; peaty slopes

Growing Conditions

Light Requirement: Shade
Soil Description: Damp, cool, humus-rich soil.
Conditions Comments: An excellent ground cover for cooler climates; it spreads once established.


Description: Propagate by seed or by sod from rescue missions. Sow seeds in flats as soon as they ripen and cover with a lot of mulch. Germination is slow.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes

Additional resources

USDA: Find Trientalis borealis ssp. borealis in USDA Plants
FNA: Find Trientalis borealis ssp. borealis in the Flora of North America (if available)
Google: Search Google for Trientalis borealis ssp. borealis


Record Modified: 2014-02-03
Research By: TWC Staff

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