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Phlox subulata Rocky Road Violet Blue

Scientific Name : Phlox hybrida
Common Name : Hybrid Spring Phlox
Hardiness Zone : 4a - 8b
Hardiness Degree : -30°F (-34°C)
Blooming Season : Late Spring
Plant Habit : Spreading
Characteristics : Attracts Bees, Attracts Butterflies
Water : Medium
Fertilizer : Once a month
Spacing : 34 - 36" (86 - 91cm)
Height : 4 - 6" (10 - 15cm)
Width : 34 - 36" (86 - 91cm)
Exposure : Sun
General Information : The perfect Spring groundcover for dry rock gardens. 
Idea & Tips : Grow in full sun and gritty, slightly alkaline soil with good drainage.
Grower Information : The perfect Spring groundcover for dry rock gardens.
Violet-blue variety. 
'Rocky Road Violet Blue'
Protection InformationPPAF
(Flowering Only License)
Breeder : Walters Gardens
  • Propagation Guide

  • Finishing Guide

  • Crop Scheduling

    • Bloom Months:
      May to June

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Marketing Information
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