Periwinkle

Frost Tolerance: Hardy in Phoenix

Sun Exposure: Light shade to shade

Origin: Southern Europe

Growth Habits: Evergreen trailing perennial to 18 inches tall (45 cm), can become invasive

Flowers: Violet or blue flowers

Watering Needs: Fairly drought resistant, fast grower with regular water

Propagation: grows roots whenever a stem touches the ground

The periwinkle can become really invasive in the shade with enough water. It is better to grow it in an area easy to control. As a ground cover it grows well and looks good. It just need shearing occasionally to bring out new growth. It is a good plant for shady areas in Phoenixr. The lilac blue flowers occur mostly in the spring, but the shiny green foliage is an enjoyable ground cover.
The species name "major" comes from the Latine for "larger".

Blooming Habits:
The blue flowers appear mostly in spring, and occasionally in the fall. Blooms better with more sun