Tuesday, March 6, 2012

Common Periwinkle, Perennial Of The Day



Vinca mino
Common Periwinkle, English Holly, Creeping Vinca


 
Type Perennial
Hardy range 4A to 9A
Height 6" to 12" / 15cm to 30cm
Growth rate Fast
Form Prostrate, spreading or horizontal and variable spread
Exposure Full shade to full sun
Persistence Evergreen
Bloom Color Blue, lavender, purple and white
Bloom Time Spring and Summer

Environment This plant tolerates some drought and occasional wetness. This plant will grow in moist soil. Suitable soil is well-drained/loamy, sandy or clay. The pH preference is an acidic to slightly alkaline (less than 6.8 to 7.7) soil.

Leaf Color Green
Fall Color No change in fall color

This plant has attractive foliage.
The flowers are showy.


Culture Notes Cut back hard in the spring to rid plants of discolored foliage and to enjoy the new growth. This plant thrives in the shade, but foliage discolors in the north in full sun. This does not kill the plant; it simply makes the plant somewhat less than attractive in winter. Plants fill in fastest when located in partial to full shade in loose, moist soil with plenty of organic matter and adequate water. Can be used on banks or in other rough locations, provided soil is suitable. A variegated form is available. This plant is considered mostly allergy free and causes little or no allergy problems in most people.

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