Lavandula × intermedia 'Grosso'
lavender 'Grosso'
An evergreen shrub to 90cm tall, with narrow, grey-green foliage and long-stemmed, very aromatic, deep bluish-purple flower heads in summer
Size
Ultimate height
0.5–1 metresTime to ultimate height
2–5 yearsUltimate spread
0.5–1 metresGrowing conditions
Moisture
Well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Grey Silver Green | |||
---|---|---|---|---|
Summer | Purple | Grey Silver Green | ||
Autumn | Grey Silver Green | |||
Winter | Grey Silver Green |
Position
- Full sun
Aspect
East–facing or West–facing
Exposure
ShelteredDrought resistance
Yes Hardiness
H5Botanical details
- Family
- Lamiaceae
- Native to the UK
- No
- Foliage
- Evergreen
- Habit
- Bushy
- Genus
Lavandula are small aromatic evergreen shrubs with usually narrow, simple, entire, toothed or lobed leaves and small tubular flowers in dense spikes in summer
- Name status
Accepted
How to grow
Cultivation
Prefers a well-drained neutral to alkaline soil but tolerates acidic conditions. In heavy soil improve drainage as lavender does not tolerate waterlogging. Potash will encourage flowering but high nitrogen fertilisers and manure will result in 'floppy' plants. See lavender cultivation for further advice
Propagation
Propagate by semi-hardwood cuttings, may not come true from seed
Suggested planting locations and garden types
- City and courtyard gardens
- Cottage and informal garden
- Patio and container plants
- Coastal
- Flower borders and beds
- Garden edging
Pruning
Pruning group 10, after flowering
Pests
May be susceptible to rosemary beetle and cuckoo spit (froghoppers)
Diseases
May be susceptible to grey moulds (Botrytis) and honey fungus (rarely)
Get involved
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