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Agapanthus Navy Blue

Agapanthus Navy Blue
African Lily, Lily of the Nile

4,7/5
44 reviews
7 reviews
1 reviews
1 reviews
2 reviews

very beautiful young plant, arrived in very good condition

Sylvie, 27/04/2023

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This plant carries a 12 months recovery warranty

More information

Value-for-money
Agapanthus 'Navy Blue' is a variety of Agapanthus that is very popular for its umbels of deep and intense navy blue flowers. This particularly floriferous and vigorous variety is of medium size. Ideal in large pots on the terrace, or planted in small groups near high traffic areas, this beautiful moderately hardy plant should be placed in well-drained soil, in full sun, and should never lack water during its growth period.
Flower size
10 cm
Height at maturity
60 cm
Spread at maturity
40 cm
Exposure
Sun
Hardiness
Hardy down to -9°C
Soil moisture
Dry soil, Moist soil
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Best planting time April
Recommended planting time March to May
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Flowering time July to August
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Description

Agapanthus 'Navy Blue', also known as 'Midnight Star', is a variety of Agapanthus that is very popular for its umbels of deep and intense navy blue flowers. This particularly floriferous and vigorous variety is medium-sized. Its deciduous foliage in wide ribbons of bright green elegantly covers the ground throughout the beautiful season. When its flowers appear, usually in July-August, it metamorphoses into a very blue airy bouquet. Ideal in large pots on the terrace, or planted in small groups near high-traffic areas, this moderately hardy (-10°C (14°F)) beautiful plant should be installed in well-drained soil, in full sun, and should never lack water during its growth period.

Agapanthus are plants of the lily family, native to South Africa, which hybridize naturally in the wild or in our gardens. Agapanthus 'Navy Blue' stands out for its great floribundity. This plant develops and multiplies quickly from a stump with fleshy rhizomes, forming a dense clump of linear and thick foliage, of a shiny green, at least 40cm (16in) in diameter, expanding over time. The abundant flowering takes place in summer, more or less early depending on the climate, and lasts about 6 weeks. Strong and sturdy stems about 60cm (24in) tall carry light hemispherical umbels, 10 to 13cm (4 to 5in) in diameter, composed of about thirty small bell-shaped flowers of ultramarine blue, carried by long peduncles.

The 'Navy Blue' Agapanthus is a delightful variety to integrate into a flower garden, bringing an exotic and light touch to sunny borders, while requiring little maintenance. This variety should be reserved a somewhat protected and south-facing location in our coldest regions, and it is important not to forget to apply a thick mulch on the stump in winter, as a precaution. Whether in a border, rockery, pot or planter, the 'Navy Blue' Agapanthus is suitable for a wide range of uses. It is very beautiful when associated with other mauve, white or blue varieties in a clean decor. It is also very decorative in plantings with an exotic connotation, with Kniphofias, Hemerocallis, shrubby salvias or Phlomis fruticosa.

Agapanthus Navy Blue in pictures

Agapanthus Navy Blue (Flowering) Flowering
Agapanthus Navy Blue (Foliage) Foliage
Agapanthus Navy Blue (Plant habit) Plant habit

Flowering

Flower colour blue
Flowering time July to August
Inflorescence Umbel
Flower size 10 cm
Good for cut flowers Cut flower blooms
Flowering description Ultramarine umbels.

Foliage

Foliage persistence Deciduous
Foliage colour medium green
Foliage description Deciduous.

Plant habit

Height at maturity 60 cm
Spread at maturity 40 cm
Growth rate slow

Botanical data

Genus

Agapanthus

Cultivar

Navy Blue

Family

Alliaceae - Liliaceae

Other common names

African Lily, Lily of the Nile

Origin

Cultivar or hybrid

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Planting and care

The 'Navy Blue' Agapanthus is grown in full sun in a warm location, in a protected area facing south. It withstands drought well. Place it in a soil that is rich and moist, but above all, very well-drained in winter. Water Agapanthus regularly during the growth period (twice a week). However, avoid watering them while the plant is dormant. In winter, Agapanthus fears excessive moisture and does not like waterlogged soil. That's why you should mulch the base with a layer of dead leaves about 20cm (8in) thick on the plants' stump and cover them with a mesh to prevent wind damage. Snow is a very good protection against excess moisture and cold. If potted, bring the plant indoors to a non-heated but frost-free area. When planting, place it 30cm (12in) deep in a pot with leaf compost and compost, as the roots are fleshy. Once established in the ground, do not disturb the agapanthus anymore. Remove dead leaves in autumn. Cut back the faded stems so that the plant does not exhaust itself producing seeds.

Planting period

Best planting time April
Recommended planting time March to May

Intended location

Suitable for Meadow
Type of use Border, Container
Hardiness Hardy down to -9°C (USDA zone 8b) Show map
Ease of cultivation Beginner
Planting density 3 per m2
Exposure Sun
Soil pH Neutral
Soil type Silty-loamy (rich and light), Stony (poor and well-drained)
Soil moisture Dry soil, Moist soil, Rich, loamy and well-drained

Care

Pruning instructions Cut the withered stems so that the plant does not exhaust itself by producing seeds.
Pruning Pruning recommended once a year
Pruning time August to September
Disease resistance Very good
Overwinter Can be left in the ground
4,7/5

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