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Plant Encyclopedia

Impatiens balsamina

Impatiens balsamina (rose balsam, "Hosenka")

Japanese name: ホウセンカ (鳳仙花)
Scientific name: Impatiens balsamina

Impatiens balsamina

[Overview]
An annual about 30–70 cm tall.
The stems and leaves are soft and succulent.
The leaves are alternate and simple, with serrated margins.
The flowers are borne singly or in clusters of 2–3 in the leaf axils.
The flowers have long spurs.
There are many cultivars, and the flower shape and color vary.
When a ripe fruit is touched, it splits open and scatters round seeds.

[Cultivation]
Propagate by cuttings or from seed.

Details

Names
English: rose balsam, garden balsam, garden jewelweed
Japanese: ホウセンカ(鳳仙花)、ツマクレナイ(爪紅)、ツマベニ(爪紅)、ティンサグ
Life form
Annual
Habit
Terrestrial
Planting (or sowing) season
April, May
Flowering season
July, August, September
Distribution or origin
India, Malay Peninsula, China
Height
300–700 mm
Leaf shape
Simple leaf
Leaf arrangement
Alternate
Leaf margin
Serrate
Inflorescence
Solitary, Fascicled
Number of petals
5
Flower color
Red, White, Pink, Purple, Multicolor
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seeds, Seedlings
Propagation
Seed, Cuttings
Sun exposure
Full sun
Water needs
Moist
Soil needs
Required
Suitable uses
Potted plant, Flower bed
Diseases
Powdery mildew
Pests
Nematodes
Japan Flower Trade Code
15512

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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