Veronica austriaca subsp. teucrium 'Knallblau'
A compact, clump-forming perennial to around 30cm high, with slightly hairy, toothed grey-green leaves. Spikes of small, star-shaped vivid blue flowers are produced from late spring to early summer
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Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Blue | Green Grey Silver | ||
|---|---|---|---|---|
| Summer | Blue | Green Grey Silver | ||
| Autumn | Green Grey Silver | |||
| Winter |
Position
- Full sun
Aspect
South–facing or West–facing
Exposure
Exposed or ShelteredDrought resistance
Yes Hardiness
H6Botanical details
- Family
- Plantaginaceae
- Native to the UK
- No
- Foliage
- Deciduous
- Habit
- Bushy, Columnar upright
- Genus
Veronica can be annuals, perennials or sub-shrubs with paired leaves and small flowers usually in terminal or axillary racemes or spikes
- Name status
Unresolved
How to grow
Cultivation
Thrives in moderately fertile, well-drained soil in full sun. Will not tolerate waterlogging
Propagation
Propagate by division in spring or autumn
Suggested planting locations and garden types
- Cottage and informal garden
- Gravel garden
- Patio and container plants
- Low Maintenance
- Flower borders and beds
- Ground cover
Pruning
Deadhead to encourage further flowers. Remove faded flower stems in autumn
Pests
May be susceptible to aphids
Diseases
May be susceptible to downy mildews, powdery mildews and leaf spot
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