Glandularia Quartz Series
vervain Quartz Series
Quartz Series are compact annuals to 25cm, with ovate leaves and large domed clusters of flowers in shades of red, violet-blue, salmon and white, some with a white eye, in summer and autumn
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
1–2 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Blue Pink Red White | Green | ||
| Autumn | Blue Pink Red White | Green | ||
| Winter |
Position
- Full sun
Aspect
South–facing
Exposure
Exposed or Sheltered Hardiness
H2Botanical details
- Family
- Verbenaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Bushy
- 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
Accepted
How to grow
Cultivation
Best grown in moist but well-drained soil in full sun.
Propagation
Propagate by seed or stem tip cuttings
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Garden edging
- Flower borders and beds
Pruning
No pruning required
Pests
Diseases
Some resistance to powdery mildews
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