Location specific values:
Array
(
    [lat] => 38.949700
    [lng] => -77.346100
    [elevation] => 111.1111
    [rainfall] => 1029.2248
    [cold_temperature] => -4.4
    [temperature] => 31.0513
    [user_eto] => 1071.12812928
)
Plant specific values:
Array
(
    [rain_min_irrigation] => 1280
    [eto_corrected] => 874
    [eto_adjusted_rain_min (rain_min_irrigation / eto_corrected)] => 1.23913043
)
Longspur Violet (Viola rostrata) | Easyscape Plant Profile

Longspur Violet

(Viola rostrata)

Longspur Violet (Viola rostrata)

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Estimated Native Range
Species Map Help

Climate Requirements for Reston, Virginia

This Plant Your Site Plant Suitability for Your Location
Precipitation 29" - 103" 41" Aquatic Aquatic
High Temp. 65°F - 92°F 88°F Your summer temperatures are normal for this plant. Excellent
Low Temp. -1°F - 36°F 24°F Your winter temperatures are normal for this plant Excellent
This plant should grow well at your location with about N inches per year (Y minutes per month) of irrigation.

Summary

Viola rostrata, commonly known as Longspur Violet, is a deciduous perennial herb native to rich, moist deciduous forests, often found in the understory and along stream banks in the Eastern United States. It typically grows to a height of 0.5-0.7 feet (15-21 cm) and a width of 0.3-0.5 feet (9-15 cm). The plant has a clumping form with heart-shaped leaves and is notable for its distinctive purple flowers, which bloom in the spring and early summer. The flowers are characterized by their long, nectar-bearing spurs and are quite showy, attracting pollinators such as bees and butterflies.

Longspur Violet is valued for its ornamental flowers and its ability to thrive in shaded conditions, making it an excellent choice for woodland gardens, shaded borders, and naturalized areas. It is relatively low-maintenance, requiring medium amounts of water and well-drained soils rich in organic matter. While it prefers part shade or full shade, it can tolerate morning sun if kept moist. This violet is not typically associated with serious diseases or pests, but can be susceptible to leaf spots and root rots if conditions are too wet. It is also deer-resistant, which is a notable benefit for gardeners dealing with wildlife pressure.CC BY-SA 4.0

Plant Description

  • Plant Type: Herb
  • Height: 0.5-0.7 feet
  • Width: 0.3-0.5 feet
  • Growth Rate: Moderate
  • Flower Color: Purple
  • Flowering Season: Spring, Summer
  • Leaf Retention: Deciduous

Growth Requirements

  • Sun: Part Shade, Full Shade
  • Water: Medium
  • Drainage: Medium

Common Uses

Bee Garden, Butterfly Garden, Deer Resistant, Low Maintenance

Natural Habitat

Rich, moist deciduous forests, often found in the understory and along stream banks

Other Names

Common Names: Long-Spur Violet, Long-Spurred Violet, Violette À Long Éperon, Violette Long-Éperon, Violette Rostrée, Nagahashi-Sumire

Scientific Names: Viola rostrata, Viola rostrata var. rostrata, Viola rostrata f. phelpsiae, Lophion rostratum, Viola rostrata f. trirostrata, Viola rostrata var. elongata, Viola rostrata var. phelpsiae

GBIF Accepted Name: Viola rostrata Pursh