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Hardy perennial
Bellflower family
Perennials
Platycodon 'Blue'
Balloon Flower
Platycodon ‘Blue’: 20 cm high and 30 cm spread, sun to partial shade exposure. Blue-violet flowers in July-August. Zone 3; choose soil compatible with its moisture needs.
- Exposure
- Sun to partial shade
- Life cycle
- Hardy perennial
- Hardiness
- Zone 3
Discover the plant
Common namePlatycodon 'Blue'
FamilyBellflower family
GenusPlatycodon
CultivarBleu
TypeHardy perennial
Botanical nameBalloon Flower
With Platycodon ‘Blue’, the flowerbed welcomes a plant whose flowers feature shades of blue and purple. The foliage presents shades of green, to be highlighted among different textures. The usual flowering period is July-August. Its size of 20 cm by 30 cm reserves it a place at the low and front edge of a bed, without forgetting the space for neighboring plants.
In terms of cultivation, Platycodon ‘Blue’ prefers full sun to partial shade; the recommended soil is well-drained garden soil, maintaining moderate humidity during establishment. Support the rooting of Platycodon ‘Blue’ with deep watering, then check the humidity before watering again. Adjust the frequency to rainfall and heat; avoid small daily applications on already moist soil. Keep 30 cm as a general spacing between plants; this helps preserve their shape and access for care. The indicated hardiness level is zone 3, to be evaluated according to your garden's conditions.
When planting Platycodon ‘Blue’, keep healthy foliage after flowering to allow the plant to continue its growth. Keep the crown clear and observe new growth before removing damaged parts. For companion planting, consider campanulas, perennial geraniums, and echinaceas in varieties with similar needs. Keep its 20 cm height in mind to place lower plants on the right side and to keep the flowers visible during July-August.
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 severe cold sets in.
Propagation
Division of clumps. Sowing does not guarantee the fidelity of a named cultivar.
Growing method
Platycodon ‘Blue’: Spring after the thaw or early autumn, allowing the roots time to establish before the deep cold. Support the rooting of Platycodon ‘Blue’ with deep watering, then check the moisture before watering again. Adjust the frequency according to rain and heat; avoid small daily waterings on already moist soil. Keep the root crown clear and observe new growth before removing damaged parts.
Soil and care
The right care,at the right time.
Soil pH
Acid; general indication of the botanical group
Care level
Routine maintenance
Watering
Support the establishment of Platycodon 'Blue' with deep waterings, then check the moisture level before watering again. Adjust the frequency according 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 state of the root ball
Seasonal care
Platycodon 'Blue': keep the foliage healthy after flowering to allow the plant to continue growing. During its flowering period (July-August), also monitor for damaged stems and neighboring plants that might obscure the clump.
Container growing
A garden,within reach.
Recommended pot size
Stable and perforated container, significantly wider than the root ball; size to be adapted to the format sold and the adult development.
To try growing Platycodon 'Blue' in a container, choose a stable pot with drainage holes, suited to 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 to protect the container in winter depending on your climate.
Bloom and dimensions
Its place,in your garden.
Mature height
8 inches (20.5 cm)
Width / spread
12 inches (30.5 cm)
Flower color
Blue
Foliage color
Green
Foliage type
Void
Growth rate
Fast
Growth habit
Erected
Fragrance
Undocumented for this selection
Bloom period
July-August
Garden associations
In goodcompany.
Companion plants
Associations to consider for Platycodon 'Blue': campanulas, perennial geraniums, echinaceas. Choose varieties that tolerate sun to partial shade and comparable moisture; allow each clump its adult space.
Plants to avoid
Around Platycodon 'Blue', above all avoid neighbours 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 Platycodon ‘Blue’?
Expect sun to partial shade and a suitable soil (drained garden soil, retaining moderate moisture during installation). Keep the crown clear and observe recovery before removing damaged parts.
What space should be reserved for Platycodon 'Blue'?
Expect a height of about 20 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 as a low border and at the front of a bed.
When does Platycodon ‘Blue’ bloom?
The period indicated is July-August. The flowers are blue, purple. The exact date and duration depend on the climate, the season, and when the plant is established.
How to water and care for Platycodon 'Blue'?
Once Platycodon 'Blue' has taken root, water deeply, then check the moisture before watering again. Adjust the frequency according to rainfall and heat; avoid small daily waterings if the soil is already moist. Keep the foliage healthy after flowering to allow the plant to continue growing.
Can Platycodon 'Blue' be grown in a pot?
To try Platycodon 'Blue' 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 to protect the container in winter depending on your climate.
Wildlife and pets
Life,around your plants.
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