Glandularia Aztec Violet ('Balazvio'PBR) (Aztec Series)

RHS Plant Profile
vervain [Aztec Violet]

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vervain [Aztec Violet] RHS

Synonyms

Glandularia 'Balazvio'PBR
Verbena 'Balazvio'
Verbena Aztec Violet

Bedding

A semi-evergreen, tender perennial, usually grown as an annual for bedding displays or containers and hanging baskets. Semi-trailing stems form a low, spreading mound and are clothed in small, divided green leaves. Rounded clusters of lightly-scented dark violet-purple flowers appear throughout the summer

Position

Full sun

Soil Types

Clay, Loam, Sand

Max Height

0.1-0.5 metres

Max Spread

0.1-0.5 metres

Size

Time to Maturity
1–2 years
Max Spread
0.1-0.5 metres
Max Height
0.1-0.5 metres

Growing Conditions

Clay Loam Sand
Moisture
Moist but well–drained
pH
Acid or Alkaline or Neutral

Position

Full sun
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered
Hardiness

Hardiness Ratings

All ratings refer to the UK growing conditions unless otherwise stated. Minimum temperature ranges (in degrees C) are shown in brackets

  • H1A: under glass all year (>15C)
  • H1B: can be grown outside in the summer (10 - 15)
  • H1C: can be grown outside in the summer (5 - 10)
  • H2: tolerant of low temperatures, but not surviving being frozen (1 to 5)
  • H3: hardy in coastal and relatively mild parts of the UK (-5 to 1)
  • H4: hardy through most of the UK (-10 to -5)
  • H5: hardy in most places throughout the UK even in severe winters (-15 to -10)
  • H6: hardy in all of UK and northern Europe (-20 to -15)
  • H7: hardy in the severest European continental climates (< -20)
H3

Colour & Scent

Fragrance Flower
Season Stem Flower Foliage Fruit
Spring
Summer
Autumn
Winter

Botanical Details

Family
Verbenaceae
Native to GB/Ireland
No
Foliage
Semi evergreen
Habit
Bushy, Trailing
Genus
Glandularia are annuals or herbaceous perennials, native to The Americas and closely-related to Verbena (and included within Verbena until recently). Showy flowers typically have 5 petals and are held in rounded clusters in summer and autumn
Name Status
Trade

How to Grow

Cultivation

Grow in moderately fertile, moist but well-drained soil in full sun. Suited to annual bedding displays in containers for sunny spots. Feed and water well

Propagation

Propagate by seed in early spring or propagate by cuttings

Suggested planting locations and garden types

  • City and courtyard gardens
  • Cottage and informal garden
  • Hanging Basket
  • Patio and container plants
  • Bedding
  • Flower borders and beds
  • Garden edging

Pruning

Deadhead regularly to promote flowering

Pests

May be susceptible to aphids and slugs

Diseases

May be susceptible to powdery mildews