Wildflower Archive

woodland wildflower

Whitemouth dayflower

Commelina erecta

Also known as Dayflower, Widow's Tears, White-mouth Dayflower

Whitemouth dayflower (Commelina erecta)1 of 2
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Native to much of the USA

Florida to New Mexico, north to New Jersey, Ohio, Illinois and southern South Dakota

  • Light Partial shade Sun tolerance
  • Moisture Dry Moisture preference
  • Zones n/a Cold to heat range
  • Bloom May–Oct Flowering time
  • Height
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland wildflower for partial shade and lean, dry soil.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Pollinators & wildlife

  • Bees American Bumble Bee
    also Western Honey Bee, Pure Green Sweat bee, Two-spotted Longhorn Bee +8 more Golden Sweat Bee, Augochloropsis metallica, Lasioglossum tarponense, Amegilla langi, Augochlora semiramis, Augochloropsis sumptuosa, Lasioglossum nymphale, Megachile pseudobrevis
  • Flower flies Margined Calligrapher
    also Dusky-winged Hover Fly, Peg-legged Compost Fly, Epauletted Hover Fly +1 more Pseudodoros clavatus
  • Butterflies Laviana White-Skipper also Hylephila phyleus phyleus
  • Also visited by
    • Beetles: Oulema variabilis

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Much of the USAUnited States (28): AL, AR, CO, DC, DE, FL, GA, IA, IL, IN, KS, KY, LA, MD, MO, MS, NC, NE, NJ, NM, OK, PA, SC, SD, TN, TX, VA, WV. Where it grows wild on its own, by state and province.
Native distribution
Florida to New Mexico, north to New Jersey, Ohio, Illinois and southern South DakotaThe same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Partial shadeHow much sun it takes, from full sun to full shade.
Moisture
DryThe soil dampness it prefers, from dry to wet.
Soil
Dry, sandy soilsThe soils it grows in naturally.
Soil texture
Light to medium (sandy to loamy)The soil grade it prefers, from sand to clay.
Soil pH
Mildly acid to mildly alkalineThe acidity to alkalinity it tolerates (7 is neutral).

Growth & form

Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
May–OctWhen it flowers.
Flower color
BlueThe bloom color, or colors.
Toxicity
None knownWhether any part is poisonous to people or pets.