Catmint 'Six Hills Giant' | Nepeta
Towering, fragrant blue giant
Grown by Mike's perennial specialists
UK
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Plant diary
- Flower
- Harvest
Catmint 'Six Hills Giant'
Nepeta
- Make an enormous, high-impact statement with this famously vigorous, towering variety that quickly fills large gaps in the border with a haze of blue.
- Nepeta 'Six Hills Giant' is absolutely indispensable for creating the classic cottage-garden look, pairing beautifully with traditional roses and tall alliums.
- This catmint is remarkably robust and fully hardy, providing a massive, spectacular floral display while requiring the absolute bare minimum of care.
- Its highly fragrant, silvery foliage looks fantastic from the moment it emerges in spring, beautifully offsetting darker, bolder colors nearby.
- It is an incredibly tough, drought-tolerant perennial that will rapidly become one of the hardest-working, most reliable plants in your entire garden.
What to expect
Supplied as
Eventual height
Eventual spread
Flower colour
Habit
Hardiness
Will this grow in my garden?
Can I grow this in a pot?
Yes, Catmint 'Six Hills Giant' grows well in pots with regular watering during dry spells.
How big does it get?
Catmint 'Six Hills Giant' typically reaches a mature height of 90 cm and a spread of 90 cm.
How much sunlight does this need?
Catmint 'Six Hills Giant' requires full sun for at least 6 hours a day.
What kind of soil does this plant prefer?
Catmint 'Six Hills Giant' prefers well-drained, moderately fertile soil.
How much watering does this plant need?
Catmint 'Six Hills Giant' needs about 2.5 centimetres of water per week, keeping the soil evenly moist.
Will this plant need pruning?
Catmint 'Six Hills Giant' | Nepeta benefits from being cut back after its first flush of flowers to encourage a second bloom. Cut it back to the base in autumn or spring.
How hardy is this plant?
Catmint 'Six Hills Giant' is fully hardy (H7), enduring temperatures below -20°C. It thrives uniformly across all regions of the UK without the need for winter protection.
The wider garden
UK
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Our perennial plants are raised by several of our most trusted UK growers, with only the very finest plants making the cut to be sent on to our Cotswolds nursery. Your perennials are double (then triple) checked over by our team – this is where being pernickety is a good thing – before being sent to you in the perfect condition for planting. Happy days.
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