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Hardy perennial
Apocynaceae
Perennials
Amsonia 'Storm Cloud'
Amsonia
Amsonia 'Storm Cloud': 75 cm high and 105 cm spread, sun to partial shade. Blue flowers in May-June. Zone 4; choose soil compatible with its moisture needs.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 4
Discover the plant
Common nameAmsonia 'Storm Cloud'
FamilyApocynaceae
GenusAmsonia
CultivarStorm Cloud
TypeHardy perennial
Botanical nameAmsonia
For a sun to partial shade composition, Amsonia ‘Storm Cloud’ (Amsonia ‘Storm Cloud’) offers flowers in shades of blue. Its foliage features shades of green, to be highlighted among different textures. The usual flowering period is May-June. At maturity, expect 75 cm in height and 105 cm in width, which guides its use in the middle of flower beds and in group plantings.
In terms of cultivation, Amsonia ‘Storm Cloud’ prefers sun to partial shade exposure; the recommended soil is well-drained garden soil, retaining moderate moisture during establishment. Support the rooting of Amsonia ‘Storm Cloud’ with deep watering, then check the moisture before watering again. Adjust the frequency to rainfall and heat; avoid small daily waterings on already moist soil. A spacing of approximately 105 cm between centers is a starting point, to be adjusted according to observed vigor. The indicated hardiness level is zone 4, to be assessed according to your garden conditions.
In a planting of Amsonia ‘Storm Cloud’, keep healthy foliage after flowering to allow the plant to continue its growth. Keep the crown clear and observe recovery before removing damaged parts. For companion planting, consider campanulas, daylilies, and perennial geraniums in varieties with similar needs. The flowering period (May-June) and the spread of 105 cm will serve as guides for distributing other plants around this plant.
Planting guide
From planting to establishment.
Spacing / density
105 cm
Best planting time
Spring after the thaw or early autumn, allowing the roots to settle before the cold weather sets in.
Propagation
Division of clumps; root cuttings; stem cuttings. Sowing does not guarantee faithfulness to a named cultivar.
Growing method
Amsonia 'Storm Cloud': Spring after the thaw or early autumn, allowing roots time to establish before deep freezes. Support the rooting of Amsonia 'Storm Cloud' with deep waterings, then monitor moisture before re-watering. Adjust frequency based on rain and heat; avoid small daily waterings on already moist soil. Keep the root collar clear and observe regrowth before removing damaged parts.
Soil and care
The right care,at the right time.
Soil pH
neutral; general indication of botanical group
Care level
Easy
Watering
Accompany the establishment of Amsonia 'Storm Cloud' with deep waterings, then check the moisture before watering again. Adjust the frequency to rainfall and heat; avoid small daily waterings on soil that is already moist.
Soil type
Drained garden soil, retaining moderate moisture during installation
Fertilization
Fertilizer for flowering
Moisture
Moderate humidity; water according to the actual condition of the root ball
Seasonal care
Amsonia 'Storm Cloud': keep the foliage healthy after flowering to allow the plant to continue growing. During its flowering period (May-June), also look out for damaged stems and neighboring plants that might obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
A stable and perforated container, noticeably wider than the root ball; size to be adapted to the format sold and the adult development.
To try Amsonia 'Storm Cloud' in a container, choose a stable pot with drainage holes that is appropriate for the root ball and its future size (105 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
29 inches (73.5 cm)
Width / spread
3.4 feet (1.04 m)
Flower color
Blue
Foliage color
Green
Foliage type
Lapsed
Growth rate
Slow
Growth habit
Bushy
Fragrance
Not documented for this selection
Bloom period
May-June
Garden associations
In goodcompany.
Companion plants
Consider the following associations for Amsonia 'Storm Cloud': campanulas, daylilies, perennial geraniums. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
When planting around Amsonia 'Storm Cloud', avoid especially those neighbors 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 Amsonia 'Storm Cloud'?
Provide sun to partial shade and a suitable soil (well-drained garden soil, retaining moderate moisture during establishment). Keep the root collar clear and observe regrowth before removing damaged parts.
Where should I plant Amsonia 'Storm Cloud'?
Expect it to reach about 75 cm in height and 105 cm in width at maturity. Allow about 105 cm between centers, adjusting 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 Amsonia 'Storm Cloud' bloom?
The indicated period is May-June. The flower color is blue. The exact date and duration depend on the climate, season and plant establishment.
How to Water and Care for Amsonia 'Storm Cloud'?
Accompany the establishment of Amsonia 'Storm Cloud' with deep waterings, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily applications on already moist soil. Keep the foliage healthy after flowering to allow the plant to continue its growth.
Can Amsonia ‘Storm Cloud’ be grown in a pot?
To try Amsonia 'Storm Cloud' in a container, choose a stable pot with drainage holes, suitable for the root ball and its future size (105 cm). Water must 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.
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