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Hardy perennial
Lamiaceae
Perennials
Perennial Sage 'Crystal Blue'
Salvia
Perennial Salvia 'Crystal Blue': 50 cm high and 65 cm spread, full sun exposure. Blue flowers in June-July. Zone 3; choose soil compatible with its moisture needs.
- Exposure
- Sun
- Life cycle
- Hardy perennial
- Hardiness
- Zone 3
Discover the plant
Common namePerennial Sage 'Crystal Blue'
FamilyLamiaceae
GenusSalvia
CultivarCrystal Blue
TypeHardy perennial
Botanical nameSalvia
The silhouette of Perennial Sage 'Crystal Blue' (Salvia 'Crystal Blue') adds relief to garden compositions. The foliage has shades of blue and gray, to be highlighted among different textures. The usual flowering period is June-July. The clump reaches approximately 50 cm in height with a spread of 65 cm; use these dimensions to position the plant in the middle of a flower bed and for group plantings.
Soil choice is essential for Perennial Sage 'Crystal Blue': well-drained, rather light; avoid water pockets around the crown. The preferred exposure is full sun. After planting Perennial Sage 'Crystal Blue', water enough to thoroughly moisten the root ball. Once established, allow the surface to dry between waterings and prioritize drainage, especially during thaws. A spacing of approximately 65 cm between centers is a starting point, to be adjusted according to observed vigor. The indicated hardiness level is zone 3, to be evaluated according to your garden's conditions.
Throughout the seasons, Perennial Sage 'Crystal Blue' benefits from timely care: cut spent flower spikes above healthy basal foliage; the extent of reblooming depends on the selection and climate. Sufficient light and well-drained soil help border sages maintain strong stems. For plant pairings, consider upright sedums, catmints, and yarrows in varieties with similar needs. Keep its 50 cm height in mind to place lower plants on the right side and allow the flowers to be visible during June-July.
Planting guide
From planting to establishment.
Spacing / density
65 cm
Best planting time
Spring after the thaw or early autumn, allowing time for the roots to establish before the severe cold sets in.
Propagation
Stem cuttings. Seedlings do not guarantee the fidelity of a named cultivar.
Growing method
Perennial Salvia ‘Crystal Blue’: In spring after the thaw, or early fall, allowing the roots time to establish before the severe cold. After planting Perennial Salvia ‘Crystal Blue’, water enough to thoroughly moisten the root ball. Once rooted, allow the surface to dry between waterings and prioritize drainage, especially during thaws. Sufficient light and well-draining soil help border salvias maintain strong stems.
Soil and care
The right care,at the right time.
Care level
Routine maintenance
Watering
After planting Salvia nemorosa 'Crystal Blue', water enough to thoroughly moisten the root ball. Once established, allow the surface to dry between waterings and prioritize drainage, especially during thaws.
Soil type
Well-drained, rather light; avoid water pockets around the collar
Fertilization
Fertilizer for flowering
Moisture
Low to medium after establishment; drainage takes priority
Seasonal care
Perennial Salvia ‘Crystal Blue’: cut back spent flower spikes above healthy basal foliage; the extent of rebloom depends on the selection and climate. During its flowering period (June-July), also watch out for damaged stems and nearby plants that might overshadow the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable container, with drainage holes, significantly wider than the root ball; size to be adapted to the format sold and adult development.
To try Salvia nemorosa ‘Crystal Blue’ in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (65 cm). Water should drain freely after each watering; check the root ball more often than if it were planted in the ground. Plan to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
20 inches (51 cm)
Width / spread
26 inches (66 cm)
Flower color
Blue
Foliage color
Green
Growth rate
Fast
Growth habit
Erected
Fragrance
Undocumented for this selection
Bloom period
June-July
Garden associations
In goodcompany.
Companion plants
Companion plants to consider for Salvia nemorosa 'Crystal Blue': upright sedums, catmints, yarrows. Choose varieties that tolerate full sun and similar moisture conditions; allow each clump adequate space to reach mature size.
Plants to avoid
Around Salvia ‘Crystal Blue’, especially avoid neighboring plants that would cover its leaves or strongly compete with its root ball. Compatibility in terms of light, water, and spread takes precedence over a list of so-called enemy plants.
Frequently asked questions
Your questions,answered.
Where to plant Salvia x jamensis 'Crystal Blue'?
Provide sunlight and suitable soil (well-draining, rather light; avoid water pockets around the crown). Sufficient light and well-draining soil help border salvias maintain strong stems.
Where should I plant Salvia 'Crystal Blue'?
Expect a height of about 50 cm and a width of 65 cm at maturity. Approximately 65 cm between centers, to be adjusted according to the actual development of the clump. This size is suitable for use in the middle of flowerbeds and for group planting.
When does 'Crystal Blue' perennial sage bloom?
The indicated period is June-July. The flower palette is blue. The exact date and duration depend on the climate, the season, and the plant's establishment.
How to water and care for Perennial Salvia 'Crystal Blue'?
After planting ‘Crystal Blue’ perennial sage, water enough to thoroughly moisten the root ball. Once established, allow the surface to dry out between waterings and prioritize drainage, especially during warm spells. Cut back spent flower spikes above healthy basal foliage; the extent of reblooming depends on the cultivar and climate.
Can 'Crystal Blue' Perennial Salvia be grown in a pot?
To try Salvia nemorosa 'Crystal Blue' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (65 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.
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Life,around your plants.
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