Agapanthus 'Navy Blue'
Flowers as deep as the ocean
Grown by Jack
Hereford
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Plant diary
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Agapanthus 'Navy Blue'
- Agapanthus 'Navy Blue' is a vigorous, deciduous perennial with long, strap-shaped, dark green leaves.
- It produces large, rounded heads of deep blue flowers in summer, which are held on strong, upright stems.
- The flowers are fragrant and attract bees and butterflies.
- Agapanthus 'Navy Blue' is easy to grow and is suitable for planting in borders, pots or containers.
- It is hardy in most parts of the UK.
What to expect
Supplied as
Eventual spread
Flower colour
Habit
Hardiness
Will this grow in my garden?
Can I grow this in a pot?
Yes, Agapanthus 'Navy Blue' thrives in 30 cm pots, as slightly constricted roots promote blooming in heat up to 30°C.
How big does it get?
Agapanthus 'Navy Blue' typically reaches a mature height of 60 cm and a spread of 45 cm.
How much sunlight does this need?
Agapanthus 'Navy Blue' requires full sun to flourish.
What kind of soil does this plant prefer?
Agapanthus 'Navy Blue' prefers well-drained, loam-based soil.
How much watering does this plant need?
Water Agapanthus 'Navy Blue' regularly to keep the soil evenly moist, providing about 2.5 cm of water weekly during the growing season, and slightly more when temperatures surpass 25°C.
Will this plant need pruning?
No strict pruning is required, but Agapanthus 'Navy Blue' generally benefits from deadheading faded flowers to encourage further blooming and cutting back dead foliage in late autumn or early spring.
How hardy is this plant?
Agapanthus 'Navy Blue' holds an RHS rating of H4, withstanding temperatures down to -10°C, making it hardy through most of the UK but it may require protection in colder regions.
The wider garden
Hereford
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Perennials born in Herefordshire, blooming in your garden
Our perennials start life in the rolling Herefordshire hills, where Jack and his team trial over 250 new varieties each year to bring you the best performing and most sustainable plants in the UK. With over forty years of excellence, it’s no surprise that they’ve won the HTA Plant Grower of the Year award two years running.
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