Wildflower Archive

woodland wildflower

Sessile bellwort

Uvularia sessilifolia

Also known as Spreading Bellwort, Straw Lily, Wild Oats, Merrybells, Sessile-leaf Bellwort, sessileleaf bellwort

Sessile bellwort (Uvularia sessilifolia)1 of 3
Uvularia sessilifolia

Native to much of the USA and southern Canada

New Brunswick to Minnesota to the Dakotas, south to extreme northern Florida and Oklahoma, Zones 4 to 8

  • Light Full sun to shade Sun tolerance
  • Moisture Moist Moisture preference
  • Zones 3–9 Cold to heat range
  • Bloom Apr–May Flowering time
  • Height
  • Life cycle Perennial Annual to perennial
Full details, see below

In the garden

A woodland wildflower for sun through shade and evenly moist soil. Its white and yellow flowers peak in May. Hardy in USDA zones 3–9.

Growing conditions

Light
Full sun Partial shade Full shade
Moisture
Dry Moist Wet

Hardiness zones

Find your zone:

When it blooms

The Sessile bellwort's white and yellow flowers bloom April to May, peaking in May. This early-spring ephemeral draws bees and flower flies.

Apr–MayJanFebMarAprMayJunJulAugSepOctNovDec

Sessile bellwort blooms white & yellowFoliage

Pollinators & wildlife

  • Bees Bradley's Mining Bee
    also Tridentate Miner, Birkmann's Sweat Bee, Black-haired Miner Bee +3 more Andrena ziziaeformis, Lasioglossum abanci, Macoupin County sweat bee
  • Flower flies Variable Duskyface Fly

Full plant details

Where it grows

Habitat
WoodlandThe wild plant community it grows in.
Native range
Much of the USA and southern CanadaUnited States (35): AL, AR, CT, DC, DE, FL, GA, IA, IL, IN, KY, LA, MA, MD, ME, MI, MN, MO, MS, NC, ND, NH, NJ, NY, OH, OK, PA, RI, SC, SD, TN, VA, VT, WI, WV. Canada (3): NB, NS, ON. Where it grows wild on its own, by state and province.
Native distribution
New Brunswick to Minnesota to the Dakotas, south to extreme northern Florida and Oklahoma, Zones 4 to 8The same native range, usually more exact than the state list, and often noting where it has spread beyond it.

Growing conditions

Light
Full sun to shadeHow much sun it takes, from full sun to full shade.
Moisture
MoistThe soil dampness it prefers, from dry to wet.
Hardiness zones
USDA 3–9 · Canadian 3–7The cold-to-heat climate range it survives.
Soil
Moist, rich, acidic soils. Prefers high humus and good drainageThe 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).
Water use
MediumHow thirsty it is, a rough guide to how often to water.

Growth & form

Spread
~1 ft (0.3 m)How wide one plant gets, a guide to spacing.
Life cycle
PerennialWhether it lives a single season (annual), two (biennial), or returns for years (perennial).
Growth rate
RapidA relative ranking versus other plants of the same type (USDA), not an absolute rate.

Flowers, foliage & fruit

Type
WildflowerWhat kind of plant it is.
Bloom
Apr–MayWhen it flowers.
Flower color
White, YellowThe bloom color, or colors.
Fruit/Seeds
ripens May–SepThe seed or fruit it sets after flowering.
Toxicity
None knownWhether any part is poisonous to people or pets.