Sweet woodruff
Galium odoratum · Rubiaceae
📷 Jopi · Public domain
The gardener's calendar
Ideal time to plant sweet woodruff: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Scientific name
- Galium odoratum
- Family
- Rubiaceae
- Plant type
- Perennial herb
- Mature height
- 20 to 30 cm
- Foliage
- Deciduous
- Flowering
- April to May
- Hardiness
- Very hardy (-15 °C and below)
- Origin
- Temperate Europe
✓ Taxonomy verifiedSource: AI estimate · hardiness: reliability high.
Expert tips
The key tip
Galium odoratum thrives in moist shade and works perfectly as groundcover under trees or shrubs. Keep the soil fresh but not waterlogged: it's a woodland plant, not a marsh plant.
The common mistake
Most gardeners put it in full sun thinking they'll boost flowering: it turns yellow and wilts.
The pro's trick
Harvest the leaves just before flowering if you're planning to use them for tea or potpourri: that's when the fresh hay aroma is at its peak.
Care
Light exposure
Sweet woodruff prefers partial to full shade, ideal under tree cover or in woodland settings. It tolerates full direct sunlight poorly, as intense sun can dry out its delicate foliage. Place it where light is filtered for most of the day.
Watering
Keep the soil moist but avoid waterlogging. Water regularly during spring growth, then reduce watering in summer. During prolonged dry spells, weekly watering is generally sufficient. Sweet woodruff appreciates moderate atmospheric humidity.
Soil
Use rich, well-draining soil that is slightly acidic to neutral. Adding compost or potting soil at planting improves establishment. Forest soil, reminiscent of its natural habitat, is ideal for this plant.
Pruning and cutting
Little maintenance is needed. Simply remove damaged or dried parts in late winter. You can gently harvest young leaves during flowering for their aromatic properties. Avoid severe pruning, which weakens the plant.
Fertilizing
An application of well-decomposed compost in spring is sufficient to feed it. No specific mineral fertilizer is necessary if the soil is regularly enriched with organic matter. Light mulching helps retain moisture and feeds the soil as it decomposes.
Health and prevention
Sweet woodruff is generally robust and rarely prone to disease. Excess moisture can promote root rot or fungal issues. Ensure good drainage and adequate air circulation. Pests are rare on this plant.
Did you know?
Galium odoratum, formerly called Sweet woodruff, was the base of the traditional German "Maibowle" (May punch) and was used to perfume sheets in the Middle Ages. Its leaves and flowers release a delicate fresh hay fragrance that intensifies after drying, particularly valued in European herbal medicine for its soothing properties.
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.