Overview
Lavandula intermedia 'Phenomenal' is a perennial shrub in the genus Lavandula, part of the Lamiaceae family. Lavandula intermedia 'Phenomenal' grows best in full sun, and tolerates well-drained and sandy or loamy soils and neutral to alkaline pH. Its UK hardiness is rated H5. Suggested uses include borders, containers, herb gardens, cut flowers and dried flowers.
About
Lavandula intermedia 'Phenomenal' (Phenomenal Lavender) is a perennial shrub cultivar within the Lavandula genus, known for its strong, sweet lavender fragrance. This plant thrives in full sun with a south-facing aspect and prefers well-drained, sandy or loamy soil that is neutral to alkaline in pH. It is hardy to UK zone H5 and tolerates dry to medium soil moisture once established. Suitable for borders, containers, herb gardens, and for use as cut or dried flowers, it benefits from light pruning after flowering to maintain shape and encourage bushiness.
About the genus
Lavandula is a genus of 47 known species of perennial flowering plants in the sage family, Lamiaceae. It is native to the Old World, primarily found across the drier, warmer regions of the Mediterranean, with an affinity for maritime breezes.
Wikipedia contributors, "Lavandula", CC BY-SA 4.0 — Lavandula
Growing conditions
Best soil and position for Lavandula
- Sunlight
- full sun
- Soil type
- well-drained, sandy or loamy
- Soil pH
- neutral to alkaline
- Soil moisture
- dry to medium
- Aspect
- south-facing
- Exposure
- open, sheltered from strong winds
- UK hardiness
- H5
Plant details
Lavandula intermedia 'Phenomenal' size, habit and characteristics
- Plant type
- perennial shrub
- Suggested uses
- borders, containers, herb gardens, cut flowers, dried flowers
- Fragrance
- strong, sweet lavender scent
Care notes
Pruning and caring for Lavandula intermedia 'Phenomenal'
- Cultivation
- Plant in well-drained soil with full sun exposure; avoid overwatering; tolerant of drought once established.
- Pruning
- Prune lightly after flowering to maintain shape and encourage bushiness; avoid cutting into old wood.
- Propagation
- semi-hardwood cuttings
Frequently asked questions
How do I grow Lavandula intermedia 'Phenomenal'?
Plant in well-drained soil with full sun exposure; avoid overwatering; tolerant of drought once established.
Where is the best place to plant Lavandula intermedia 'Phenomenal'?
Lavandula intermedia 'Phenomenal' prefers full sun. It suits open and sheltered from strong winds positions.
What soil does Lavandula intermedia 'Phenomenal' need?
Lavandula intermedia 'Phenomenal' grows best in well-drained and sandy or loamy soil. It prefers neutral to alkaline soil. Aim for soil that stays dry to medium.
How do I prune Lavandula intermedia 'Phenomenal'?
Prune lightly after flowering to maintain shape and encourage bushiness; avoid cutting into old wood.
Is Lavandula intermedia 'Phenomenal' hardy in the UK?
Lavandula intermedia 'Phenomenal' has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.
How do I propagate Lavandula intermedia 'Phenomenal'?
Semi-hardwood cuttings.
More in the Lavandula genus
- Lavandula angustifolia 'Torramhor'Lavender

- Lavandula dentata 'Evermlv19'Fringed Lavender

- Lavandula stoechas 'Giant Summer' (Butterfly Garden Series)

- Lavandula stoechas 'Sweetberry Ruffles' (Ruffles Series)French lavender 'Sweetberry Ruffles'

- Lavandula angustifolia subsp. angustifoliaEnglish lavender
- Lavandula stoechas LaVela Compact Dark Violet ('Klelv15115'PBR)Spanish Lavender
- Lavandula x ginginsii 'Downderry Velvet'
- Lavandula x int. 'Edelweiss'Lavender