Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
Nepeta faassenii Six Hills Giant - Catnip
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Renee T.
Nepeta faassenii Six Hills Giant - Catnip
Renee T. • 52 FR
Elise A.
Nepeta faassenii Six Hills Giant - Catnip
Elise A. • 51 FR
Annie V.
Nepeta faassenii Six Hills Giant - Catnip
Annie V. • 70 FR
Nepeta faassenii Six Hills Giant - Catnip
Nepeta Six Hills Giant
Faassen's catnip, Catmint
Very well flowered, at the foot of a columnar plum tree, in full sun and drought. Perfect.
Gazz., 24/09/2025
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Description
Robust and easy to grow, Nepeta 'Six Hills Giant' blooms from May to October with regular deadheading.
This variety has a mildly suckering growth habit and forms bushes that can grow up to 50cm (19.7 in) tall and 60cm (23.6 in) wide. It produces many lavender-blue flowers, each 5cm (2 in) in length, on its inflorescence, which attract bees and butterflies. The grey leaves, resembling mint, give off a delightful aroma that is known to attract cats.
A versatile plant, Nepeta 'Six Hills Giant' thrives in sunny, rocky, and nutrient-poor soils. While it prefers moist soil, it adapts to summer drought by reducing its flowering.
Nepeta faassenii Six Hills Giant - Catnip in pictures
Flowering
Foliage
Plant habit
Botanical data
Nepeta
Six Hills Giant
Lamiaceae
Faassen's catnip, Catmint
Nepeta ‘Six Hills Giant’, Nepeta × gigantea
Cultivar or hybrid
Planting and care
The Nepeta, 'Six Hills Giant', is a plant that can thrive in any terrain. It grows best under sunlight, even in light, poor and stony soils. Although it prefers moist soils, it can adapt to the summer drought by reducing its flowering. If planted in heavy soils, it's recommended to dig a hole that is three times larger than the volume of the bucket and mix 1/3 gravel and 1/3 sand with your topsoil to lighten the soil. This will prevent water stagnation in winter. To ensure the plant stays healthy, you should cut back the faded inflorescences in the middle of summer to a height of 20cm (7.9 in) using shears. This will make the plant more compact and flower again in autumn.
Planting period
Intended location
Care
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
The flowering period indicated on our website applies to countries and regions located in USDA zone 8 (France, the United Kingdom, Ireland, the Netherlands, etc.)
It will vary according to where you live:- In zones 9 to 10 (Italy, Spain, Greece, etc.), flowering will occur about 2 to 4 weeks earlier.
- In zones 6 to 7 (Germany, Poland, Slovenia, and lower mountainous regions), flowering will be delayed by 2 to 3 weeks.
- In zone 5 (Central Europe, Scandinavia), blooming will be delayed by 3 to 5 weeks.
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The planting period indicated on our website applies to countries and regions located in USDA zone 8 (France, United Kingdom, Ireland, Netherlands).
It will vary according to where you live:
- In Mediterranean zones (Marseille, Madrid, Milan, etc.), autumn and winter are the best planting periods.
- In continental zones (Strasbourg, Munich, Vienna, etc.), delay planting by 2 to 3 weeks in spring and bring it forward by 2 to 4 weeks in autumn.
- In mountainous regions (the Alps, Pyrenees, Carpathians, etc.), it is best to plant in late spring (May-June) or late summer (August-September).
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
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