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Mule-fat

Baccharis salicifolia · Asteraceae

The gardener's calendar

The right move for September

In autumn, ease off feeding and take the chance to clean up around mule-fat and prepare for winter.

JFMAMJJASOND Planting

ID card

Common name
Willow-leaved Senecio, Baccharis
Family
Asteraceae
Form
Shrub
Foliage
Semi-evergreen to evergreen
Flowering
Autumn to winter (September-November)
Mature size
2 to 4 m tall, 1.5 to 2.5 m wide
Growth
Fast
Hardiness
Low hardiness (Mediterranean climate, mild regions)
Origin
South America, Central America

Care

Exposure

Plant your Baccharis salicifolia in full sun for optimal growth and generous flowering. It tolerates very sunny locations and even wind-exposed areas. Choose a spot sheltered from prolonged frost in regions with cold winters.

Watering

Water regularly during dry spells, especially in the first year and during summer. Once established, the shrub tolerates drought well thanks to its deep roots. Gradually reduce watering in autumn and winter. Avoid waterlogging.

Soil

Baccharis prefers well-drained soil, even poor or sandy soil. It tolerates chalky and slightly acidic soils. Perfect drainage is essential to prevent root rot. No need for significant prior enrichment.

Pruning

Prune lightly after flowering (late November or December) to maintain a compact and dense shape. You can also cut back by half in late winter to rejuvenate the shrub. Remove dead or poorly oriented branches throughout the season.

Fertilizer

A balanced fertilizer application in spring is sufficient to maintain vigor. Reduce nitrogen fertilizer to encourage autumn flowering rather than excessive growth. In very poor soil, well-rotted compost at the base helps establishment.

Diseases and pests

This shrub is generally very resistant and rarely prone to disease. In excessively humid conditions, watch for root rot and fungi. Pests remain rare. Promote good air circulation through open pruning.

Did you know?

Baccharis salicifolia is renowned for its remarkable ability to colonize arid and degraded areas in South America. Its tiny flowers gathered in white or yellow flower clusters attract pollinators in autumn, a season when few other species bloom, giving it great ecological value. In Europe, it is appreciated by landscape architects in Mediterranean zones for creating refined and natural hedges that are undemanding.

Where to buy it

Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.

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