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Hardy perennial
Apiaceae
Perennials
Eryngo 'Blue Glitter'
Sea holly
Eryngium 'Blue Glitter': 90 cm high and 30 cm spread, full sun. Mauve flowers in June-August. Zone 4; choose soil compatible with its moisture needs.
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameEryngo 'Blue Glitter'
FamilyApiaceae
GenusEryngo
CultivarBlue Glitter
TypeHardy perennial
Botanical nameSea holly
Sea Holly ‘Blue Glitter’ (Eryngium ‘Blue Glitter’) brings a palette of purple to the garden. The foliage has shades of blue, best highlighted among different textures. The usual flowering period is June-August. At maturity, expect 90 cm in height and 30 cm in width, which suggests its use in the middle of flowerbeds and group plantings.
The success of Sea Holly ‘Blue Glitter’ begins with its location: full sun, in suitable soil (well-drained, sandy, chalky). After planting Sea Holly ‘Blue Glitter’, water enough to deeply moisten the root ball. Once established, allow the surface to dry between waterings and prioritize drainage, especially during thaws. Maintain 30 cm as a guideline between plants; this helps preserve their shape and allows access for care. The indicated hardiness level is zone 4, to be assessed according to your garden's conditions.
Throughout the seasons, Sea Holly ‘Blue Glitter’ benefits from timely care: keep the dry inflorescences if you like their silhouette, then clean up the clump when it resumes growth. Sea Holly mainly requires a well-draining location; plant it without planning repeated root disturbances. For associations, consider catmint, upright sedums, and yarrows in varieties with similar needs. By composing around its volume of 90 cm by 30 cm, you will preserve the visibility of its blooms (June-August) and circulation between plants.
Planting guide
From planting to establishment.
Spacing / density
30 cm
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to establish before the deep cold.
Growing method
Sea Holly ‘Blue Glitter’: In spring after the thaw or in early fall, allowing time for the roots to establish before the severe cold. After planting Sea Holly ‘Blue Glitter’, water enough to thoroughly moisten the root ball. Once rooted, allow the surface to dry between waterings and prioritize drainage, especially during thaws. Sea Holly primarily requires a well-drained location; plant it without planning for repeated root disturbances.
Soil and care
The right care,at the right time.
Care level
Routine maintenance
Watering
After planting Eryngium 'Blue Glitter', water enough to thoroughly moisten the root ball. Once established, allow the surface to dry between waterings and prioritize drainage, especially during mild spells.
Soil type
Well-drained, Sandy, Calcareous
Fertilization
Fertilizer for flowering
Moisture
Low to medium after establishment; drainage priority
Seasonal care
Eryngium planum 'Blue Glitter': keep the dried flower heads if you like their shape, then clean up the clump when new growth appears. During its flowering period (June-August), also keep an eye on damaged stems and neighboring plants that might overshadow the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable, perforated container, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To try Panicaut 'Blue Glitter' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (30 cm). Water should drain freely after each watering; check the root ball more often than you would for plants in the ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
3 feet (91.5 cm)
Width / spread
12 inches (30.5 cm)
Flower color
Blue
Foliage color
Green
Foliage type
Deciduous in cold climates
Growth rate
Fast
Growth habit
Erected
Fragrance
Undocumented for this selection
Bloom period
June-August
Garden associations
In goodcompany.
Companion plants
Associations to consider for Sea Holly 'Blue Glitter': catmints, upright sedums, yarrows. Choose varieties that tolerate sun and comparable humidity; allow each clump its adult space.
Plants to avoid
Around 'Blue Glitter' Sea Holly, especially avoid neighbors that would cover its leaves or strongly compete with its root ball. Compatibility in terms of light, water, and mature size takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Sea Holly ‘Blue Glitter’?
Expect sun and suitable soil (well-drained, sandy, limestone). Eryngium primarily requires a well-draining location; plant it without anticipating repeated root disturbances.
Where should I plant Panicaut 'Blue Glitter'?
Expect a height of around 90 cm and a width of 30 cm at maturity. Approximately 30 cm between centers, to be adjusted according to the actual development of the clump. This size is suitable for use in the middle of a flower bed and for group plantings.
When does ‘Blue Glitter’ Sea Holly bloom?
The period indicated is June-August. The flower color palette is mauve. The exact date and duration depend on the climate, season, and plant establishment.
How to water and care for Sea Holly 'Blue Glitter'?
After planting ‘Blue Glitter’ Sea Holly, water enough to deeply moisten the root ball. Once established, allow the surface to dry between waterings and prioritize drainage, especially during mild spells. Keep the dried inflorescences if you like their shape, then clean the clump when it resumes growth.
Can you grow Sea Holly 'Blue Glitter' in a pot?
To try ‘Blue Glitter’ Sea Holly in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (30 cm). Water must drain freely after each watering; check the root ball more often than you would for plants in the ground. Plan for container protection in winter depending on your climate.
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