Glandularia 'Lawrence Johnston'
vervain 'Lawrence Johnston'
'Lawrence Johnston' is a spreading half-hardy perennial to 45cm tall, with toothed, ovate leaves and flat clusters of bright red flowers 1cm across in summer and early autumn
Size
Ultimate height
0.1–0.5 metresTime to ultimate height
2–5 yearsUltimate spread
0.1–0.5 metresGrowing conditions
Moisture
Moist but well–drained, Well–drainedpH
Acid, Alkaline, NeutralColour & scent
| Stem | Flower | Foliage | Fruit | |
| Spring | Green | |||
|---|---|---|---|---|
| Summer | Red | Green | ||
| Autumn | Red | Green | ||
| Winter | Green |
Position
- Full sun
Aspect
West–facing or South–facing
Exposure
Sheltered Hardiness
H3Botanical details
- Family
- Verbenaceae
- Native to the UK
- No
- Foliage
- Evergreen
- 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
In borders plant in well drained soil and full sun. In containers best grown in loam based compost such as John Innes No. 2 with added sharp sand alternatively use multipurpose compost with added sharp sand
Propagation
Take semi-ripe stem-tip cuttings in late summer
Suggested planting locations and garden types
- Coastal
- Cottage and informal garden
- City and courtyard gardens
- Patio and container plants
- Flower borders and beds
- Garden edging
Pruning
Deadheading is beneficial
Pests
Diseases
Susceptible to powdery mildew
Get involved
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