Plant library · Annual Flowers
Torenia fournieri
Wishbone Flower is a compact annual for bringing purple, blue, or pink blooms into partly shaded planting areas. Its low, roughly 9-inch height and width make it easy to weave along the visible edge of a moist bed without obscuring taller plants behind it. Flowering runs from early summer into fall, giving shaded borders a long seasonal layer of color.
Place Torenia fournieri at the front of a shade border, along a bed edge, or in small groups where its flowers can be seen close up. It also suits containers and hanging baskets, especially where a porch, wall, or tree canopy creates filtered light. In a mixed bed, reserve it for the near side of taller shade plantings rather than using it as a backdrop. Pinching young plants can help maintain a bushier outline.[1][2]
Allow about 9 inches from center to center for a continuous, low flowering ribbon. Each plant reaches roughly 9 inches wide, so this spacing lets neighboring plants meet as they fill in while keeping the pattern orderly. For a crisp bed edge, set the row back several inches from a path or border so stems and flowers remain inside the planting area.
Give wishbone flower partial shade and regular water, using soil that stays evenly moist but drains well. A sheltered position away from intense afternoon sun is useful where summers are hot. Mulch around in-ground plantings to conserve soil moisture and help keep the root zone cool, leaving a small open gap around each plant’s stems.[1][2]
This annual occupies its space for one growing season, with blooms beginning in early summer and continuing into fall. Use it to fill the front of beds after spring bulbs or other early displays have finished, then plan for the planting pocket to open again at season’s end. Its small footprint also makes it practical for refreshing containers during the warm season.
Avoid sites or containers that remain soggy after watering or rain. Good drainage matters even where steady moisture is needed, because root rot can become a problem in persistently wet soil. Leave enough access around containers and bed edges to water the root zone directly and to remove any declining growth promptly.[2][3]
Editorial content updated 2026-07-20.