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Helichrysum luteoalbum

Helichrysum luteoalbum · Asteraceae

The gardener's calendar

The right move for September

Ideal time to plant helichrysum luteoalbum: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

JFMAMJJASOND Planting

ID card

Family
Asteraceae
Form
Annual or biennial herb
Flowering
June to October, pale yellow or white flowers
Adult size
30 to 60 cm in height
Foliage
Persistent, pubescent, grey-green
Hardiness
Low hardiness, grow as an annual in temperate climates
Exposure
Full sun
Origin
South Africa and Mediterranean

Care

Exposure

Place this plant in full sun, with a minimum of 6 to 8 hours of direct light daily. It tolerates shade poorly and becomes weak in too-shaded conditions. A south or west-facing exposure guarantees abundant flowering and a compact habit.

Watering

Water moderately and allow the soil to dry between watering. Once established, this plant tolerates drought well. In pots, check substrate moisture; in the ground, weekly watering suffices during dry periods. Avoid excess moisture which promotes rot.

Soil and planting

Prefer light, well-drained soil, even poor or chalky. Potting mix for Mediterranean plants with added sand works perfectly. Overly rich soil promotes foliage at the expense of flowering.

Fertilization

Apply balanced fertilizer every 3 to 4 weeks during flowering. In poor soil, light spring fertilization boosts growth. Avoid excess nitrogen which weakens the plant.

Pruning and maintenance

Pinch young plants to encourage branching. Regularly remove faded flowers to extend flowering. At season's end, cut back the plant slightly if it becomes too sprawling.

Diseases and pests

This plant is generally robust. Watch for spider mites in hot, dry climates. Powdery mildew can appear in overly humid or poorly ventilated situations. Good air circulation and watering at soil level reduce risks.

Did you know?

The Helichrysum genus is renowned for its exceptional dried flowers that retain color and shape for years. Pale yellow Gnaphale was once used in traditional South African medicine for its supposed anti-inflammatory properties, and its flowerheads remain popular in floristry for long-lasting dried bouquets.

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.