PLATYCODON - Sow, plant, care for, support - Our website

Platycodon: beautiful edible stars!

The platycodon offers beautiful, well-defined flowers, high on erect stems, adorned with blue-green foliage, all fed by fleshy rhizomes. Platycodon is also called "balloon flower", It is a plant native to Asia, where it is found in the wild, especially in China and Japan. Its growth is slow and it is better to count 2 years to obtain a beautiful white, blue or pink flowered carpet…. The flowers are edible and very appreciated by "cooks" keen on flowers in the kitchen.

Botanical name:

• Platycodon grandiflorus

Plant info:

• Cycle: Perennial
• Foliage: Persistent
• Hardiness: Hardy plant -28 ° C
• Family: Campanulaceae -campanulaceae
• Harbor : tuft
• Exhibition: Sun - partial shade
• Sowing: April to June
• Plantation: Spring
• Flowering: June to October
• Rooting: Rhizomes
• Cultivation area: See hardiness maps (zones in: Quebec, France)
• Origin: Asia (China and Japan)
• Melliferous plant: Yes
• Edible plant: yes (the flowers)


• Edible flowers.
• Very rustic.
• Very resistant to disease.
• Slow growth.

Platycodon: the benefits in the garden

• Large, very aesthetic flowers
• Long flowering period, around 3 to 4 months of flowers
• Very easy to cultivate climber, the plant is resistant to drought.
• Edible flowers
• Very floriferous from the 2nd year.

What exhibition?

Sun and partial shade

What soil?

• Light and well-drained soil.

When to sow platycodon?

• Spring from April to June.

How to sow the seeds ...

Sowing in the ground:

Seedlings of platycodon can be done in place, making sure to protect the seeds from direct sunlight.

• Work the soil to a height of half a spade to make it fine.
• Add sand if necessary.
• Sow the seeds "clear" and cover them with a thin layer of potting soil.
• Tamp and water.
• Keep the soil cool until emergence and watch out for shellfish.

Sowing in pots or boxes

In light soil, a mixture of potting soil and peat will do very well,
• Place one or two seeds per cup.
• Cover with soil and tamp.
• Keep the soil cool until emergence.

When to plant

• Plant in spring, from the month of april or may.

How to plant platycodon?

• Prepare the soil by working it well to obtain a very homogeneous and light soil.
• Amend the soil with sand or peat, if necessary.
• Add sand to improve the draining effect if necessary.
• Dig a hole larger than the size of the platycodon plants.
• Place them and fill them with the sand - peat / soil mixture from the garden.
• Tamp down without damaging the roots (rhizomes).
• Water.
• You will water regularly the first days after planting, then more lightly afterwards.

A word from the gardener:

If the soil in your garden is clayey and / or heavy, prefer to cultivate platycodon on raised mounds, by adding compliant soil. The water will drain out that much faster.

Multiplication of platycodons:

• Multiplication by seed.
• You can collect the seeds of the year, they will keep a germination time of 2 to 3 years.

Interview :

• Light and regular waterings, allowing the soil to dry out between two waterings.
• Staking of the tallest plants.


• Platycodons flower at from June and until September sometimes October.

Varieties of platycodon:

• Varieties with blue flowers:
> « Mariesii ”and“ Hakone ”the latter with quite original double flowers,
60 cm high.
> "Fuji blue", "Blaue Gloke", "Florist blue", 50 cm
> "Astra Double" (semi-double) and "Sentimental", 20 cm high.
• Varieties with white flowers:
> "Albus",
50 cm and Astra Double (double flowered) 20 cm high.
• Varieties with pink flowers:
> "Fuji",
60 cm
> "Astra pink", 60 cm

What to plant with?

• Plant them with aconites, fleabane ...

Platicodon: What use in the garden?

ATa garden: In perennial beds the largest platycodon, and in rockery or bordering with the small varieties.
• Without garden:
In a large pot, 40 cm, choose the small and medium varieties.

Quick sheet:

Image taken from wikipedia / / In the public domain

PLATYCODON - Sow, plant, care for, support - Our website

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When the arums are in the process of vegetation, the soil must be kept moist by regular and abundant watering, and add special fertilizer for bulbs or flowering plants throughout the season to support growth and flowering, especially for plants grown in pots. Regularly remove faded flowers to prevent the formation of seeds and prolong flowering. Arums are not attacked by pests or diseases. Arums fear frost, to different degrees.

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How to sow pickles?

Caring for the pickle

If the temperatures are cool, cover your plants with bells, a perforated plastic tunnel or even a winter cover. Remember to ventilate when the weather is mild. Sprinkle with water that is not too cool, this will make your pickles less bitter and prevent stunting. This plant is very water-hungry, so use a drip to maintain constant humidity by avoiding wetting the leaves. A good hoeing

Pickle harvest

The growth is quite rapid. At the end of three or four months, harvest every two days, in order to promote the appearance of new fruits, and that, until the Jellies

Diseases and Parasites

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