Overview

Isodon longitubus 'Kutani' is a plant with a herbaceous perennial habit in the genus Isodon, part of the Lamiaceae family, with deciduous foliage. Isodon longitubus 'Kutani' grows best in full sun and partial shade, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H4. Suggested uses include border and woodland garden.

About

Isodon longitubus 'Kutani' is a deciduous herbaceous perennial belonging to the Lamiaceae family. This cultivar thrives in fertile, well-drained loam or sandy soils with an acid to neutral pH. It prefers full sun to partial shade, ideally in sheltered, south- or west-facing aspects. Hardy to UK zone H4, it is suitable for borders and woodland gardens, offering interest during spring and summer. Propagation can be achieved by seed or semi-ripe cuttings.

Growing conditions

Best soil and position for Isodon

Sunlight
Full sun, Partial shade
Soil type
Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Well-drained
Aspect
South-facing, West-facing
Exposure
Sheltered
UK hardiness
H4

Plant details

Isodon longitubus 'Kutani' size, habit and characteristics

Habit
Herbaceous perennial
Foliage
Deciduous
Suggested uses
Border, Woodland garden

Care notes

Pruning and caring for Isodon longitubus 'Kutani'

Propagation
Seed, Semi-ripe cuttings
Pest resistance
Average
Disease resistance
Average

Frequently asked questions

Where is the best place to plant Isodon longitubus 'Kutani'?

Isodon longitubus 'Kutani' prefers full sun and partial shade. It suits sheltered positions.

What soil does Isodon longitubus 'Kutani' need?

Isodon longitubus 'Kutani' grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays well-drained.

Is Isodon longitubus 'Kutani' hardy in the UK?

Isodon longitubus 'Kutani' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.

How do I propagate Isodon longitubus 'Kutani'?

Seed, Semi-ripe cuttings.

More in the Isodon genus

Browse all Isodon