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Queen's Wreath, Purple Wreath, Sandpaper Vine

Scientific Name: Petrea volubilis L.
Synonym: Petrea kohautiana
Family: Verbenaceae

The bluish calices remaining after the flowers are gone

Recommended Temperature Zone:
Sunset®: 19-25
USDA: 10

Frost Tolerance: Semi tender in Phoenix, established plants suffer below 26° F (-4° C)

Sun Exposure: Full sun or light shade

Origin: Central America

Growth Habits: Vine to 40 feet long (12 m) or self supporting shrub

Flowers: Purple flowers

Watering Needs: Keep moist until the plant is established, regular water thereafter

Propagation: Layering, or semihardwood cuttings with bottom heat.

Blooming Habits:
The flowers come in raceme reaching over 1 foot long, the flowers lasts a couple of days but the blue calices remain much longer, slowly turning gray.

Culture:
The Petrea volubilis likes warm and humid conditions. Mulch and use fertilizer for acid plants if your soil is alkaline. Check for scales and mealy bugs.

List of All the Plants | More in the Verbenaceae family

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