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Tofield's asphodel

Tofieldia calyculata · Tofieldiaceae

The gardener's calendar

The right move for September

Ideal time to plant tofield's asphodel: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Family
Tofieldiaceae
Type
Perennial herbaceous plant
Height
20 to 40 cm
Flowering
June to August
Foliage
Deciduous
Hardiness
Very hardy (down to -20 °C)
Exposure
Part shade to shade
Origin
Cold and wet zones of Europe and Asia

Care

Exposure

Tofieldia calyculata appreciates part shade to shade exposure, particularly in warm regions. It tolerates shaded and humid areas well, typical of its natural mountain or boggy habitats. Avoid direct exposure to hot afternoon sun.

Soil and substrate

This plant requires acidic, peaty or organic soil that stays consistently moist. Gentle drainage is important to prevent sterile water stagnation. Enrich the substrate with peat or leaf compost to recreate its natural conditions.

Watering

Keep the soil slightly moist at all times, without excess. Water regularly during the growing season, especially in dry weather. Reduce watering in winter, but never let the substrate dry out completely.

Fertilizing

Fertilizing is generally unnecessary if the soil is rich in organic matter. A light application of balanced fertilizer in spring can support growth, but stay moderate to avoid excessive development.

Pruning and maintenance

No pruning is generally necessary. Simply remove spent flowers and dead leaves at the end of the season. The plant dies naturally in winter and regrows in spring.

Diseases and pests

Tofieldia calyculata is generally robust and rarely subject to diseases. The main risks are related to rot if the soil is too waterlogged or poorly drained. Monitor stagnant moisture and ensure good aeration of the substrate.

Did you know?

Tofieldia calyculata is a discreet small herbaceous plant of boggy and humid alpine meadows, where it forms colonies that flower delicately from June to August with small white or pale pink flowers. Its botanical name honors Swedish botanist Tofeld, and it remains an interesting heritage plant for shaded wet gardens seeking to welcome the flora of cold European zones.

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.