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Touch-me-not

Impatiens noli-tangere · Balsaminaceae

The gardener's calendar

The right move for September

Ideal time to plant touch-me-not: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

JFMAMJJASOND Planting

ID card

Foliage
Deciduous
Flowering
July to September
Adult size
30 to 60 cm in height
Growth
Fast
Hardiness
Somewhat tender (humid temperate climate)
Origin
Central and northern Europe
Soil type
Rich, moist, well-draining

Care

Regular and abundant watering

This plant loves moisture and should never dry out completely. Keep the substrate consistently moist, especially during active growth periods. Water generously and regularly, avoiding waterlogging at the roots.

Part shade exposure

Prefer a shaded to part-shaded location, away from direct sun which may scorch the delicate foliage. It thrives along watercourses or in moist woodlands, where the light is dappled.

Rich and moist soil

Cultivate it in soil enriched with organic matter, consistently fresh and well-structured. Regular additions of compost or potting soil will encourage vigorous growth in a natural setting or in containers.

Moderate nutritional input

A balanced fertilizer applied every 15 days during the growing period is sufficient. Favor light organic applications rather than intensive fertilization, to respect its natural development.

Deadheading

Regularly pinch the tips of stems to encourage a compact, bushy habit. Remove deteriorated flowers and leaves to stimulate abundant new flowering.

Caution with excess moisture

Excessive moisture and poor air circulation can promote mold or powdery mildew development. Ensure good air circulation and avoid wetting the foliage. Inspect regularly to detect any signs of attack early.

Did you know?

Its scientific name 'noli-tangere' literally means 'do not touch' in Latin: this refers to its characteristic fruits which, when mature, explode at the slightest contact to disperse their seeds several meters away. This remarkable botanical adaptation has fascinated naturalists since antiquity and gives the plant a reputation as 'touchable' in European popular folklore.

Where to buy it

Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.

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Tips generated and checked by Viridia — adapt them to your local climate.