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Queen's Wreath
Petrea volubilis
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Queen's Wreath creates spectacular clusters of star-like purple flowers that come in racemes over 30 cm long. This plant is fairly low-maintenance, drought resistant, and can be trained to grow along a pergola, veranda, fence, pillar or trellis to create a beautiful hedge screen. It can be grown in a mixed border or patio container as a billowy shrub if the plant is pruned back after each flowering.
Planning
Difficulty
Easy
Fruiting time
Spring, Summer, Autumn
Harvesting
The flowers can be harvested to cut for the house but if the woody stem is cut, the blooms will rapidly droop and die. If only the flower-sprays are cut and arranged in a shallow bowl, they will stay fresh for several days.
Propagation
Cuttings
Queen's Wreath can be propagated from woody stem cuttings or from semi-hardwood cuttings.
Seed
Sow seeds indoors before the last frost or directly sow after the last frost.
Special features
Pot plant
Queen's Wreath can be grown in a container, provided it is large enough. It can be grown in a mixed border or patio container as a billowy shrub if the plant is pruned back after each flowering.
Drought resistant
Queen's Wreath is fairly drought tolerant but flourishes when watered regularly.
Hedge plant
This plant can be trained to grow up a trellis, to create a pretty hedge screen as it generally does not lose all its leaves.
Geography
Origin
Mexico through Central America.
Environment
Light
Full Sun, Partial Sun
Soil moisture
Moist
Soil type
Loam, Sand
Soil PH preference
Acid, Neutral
Frost hardiness
Half-Hardy
Personality
Family
Verbenaceae
Flower colour
Purple or blue
Scent
None
Problems
Queen's Wreath has no serious insect or disease problems but is susceptible to mold. Watch for scale and mealybugs. Spider mites are less frequent visitors.
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