Commonly known as Purple Rock Cress, Aubrieta 'Hendersonii' is a popular ground cover and a low maintenance rock garden plant. This Aubrieta is a mat-forming, herbaceous ground cover plant that is smothered in dainty flowers.
The Aubrieta Hendersonii flowers are purple in color, four-petaled, cross-shaped and attractive to butterflies and bees.
Aubrieta Hedersonii is a dense herbaceous evergreen perennial easy to grow.
Hardy to -23°C (-10°F), the plant thrives in full sun to partial shade and needs average watering.
Aubrieta has long been a favorite for its brightly colored flowers growing over rock walls or placed in stonewalls.
The plants take light foot traffic and can be used in paving or walkways with other ground cover plants.
Average Germ Time: 14 - 21 days
Light Required: Yes
Depth: Seeds must be covered thinly
Soil Type: Well-drained, pH 6.5 - 7.5
Moisture: Keep seeds moist until germination
Plant Spacing: 12 inches
Sow Aubrieta 'Hendersonii' in February to June or in September to October for flowering throughout the following summer.
Sow Aubrieta ground cover seed indoors 6 - 8 weeks before the last expected frost date. Use starter trays using a sterilized mix. Press the Rock Cress seeds into the soil and thinly cover. The Aubrieta seed needs light to germinate. Transplant into the garden 12 inches apart after frost danger has passed.
After last expected frost has passed, Rock Cress seeds can be directly sown into a prepared seedbed outdoors.
These flowering ground cover plants should be trimmed lightly immediately after blooming. This encourages a thick mounding habit.
Aubrieta plants are an excellent choice for a rock garden in sun or light shade, smothering rock walls, or in alpine troughs and other containers.
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