Melampyrum sylvaticum
Melampyrum sylvaticum · Orobanchaceae
The gardener's calendar
Ideal time to plant melampyrum sylvaticum: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Orobanchaceae
- Type
- Annual or biennial herbaceous plant
- Adult height
- 20 to 60 cm
- Flowering
- June to September
- Flower color
- Pale yellow to white, often spotted with violet
- Foliage
- Deciduous
- Hardiness
- Very hardy (down to -20°C)
- Origin
- Europe, deciduous and mixed forests
Care
Light exposure
Wood betony thrives in partial shade to dappled shade, typically under forest canopy. It also tolerates full sun in cool, humid climates. Avoid overly intense sun exposure in summer, which can slow its growth.
Soil
This plant prefers soil rich in organic matter, moist and well-draining. It adapts to slightly acidic to neutral pH. Adding compost or leaf litter in autumn simulates its natural woodland environment.
Watering
Keep the soil consistently moist, especially during growth and flowering. In dry periods, water regularly without waterlogging. The ambient humidity of forest understories is ideal; avoid prolonged drought.
Fertilizing
Undemanding, it requires only moderate fertilizing. A balanced diluted fertilizer in spring is sufficient. Enriching the soil with organic matter is more beneficial than intensive chemical feeding.
Pruning and training
Wood betony requires no regular pruning. Let it grow naturally; you can lightly pinch young plants to encourage branching. Remove spent flowers to prolong blooming.
Diseases and pests
A very robust plant, it rarely suffers from serious diseases. Waterlogging can promote rot. Watch for slugs in humid climates. No major pests known in cultivation.
Did you know?
Wood betony is a semi-parasitic plant: its roots discretely attach to the roots of other host plants, notably grasses and legumes, without noticeably killing them. This ancestral strategy allows it to survive in dense forests where root competition is fierce. Foresters actually consider it an excellent bioindicator of the ecological health of wooded areas.
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.
Add this plant to my garden →Plants from the same family
- Meadow cowwheatMelampyrum pratense
- Yellow rattleRhinanthus minor
- Pedicularis palustrisPedicularis palustris
- Red bartsiaOdontites vernus
- Marsh lousewortPedicularis sylvatica
- VelvetbellsBartsia alpina
Tips generated and checked by Viridia — adapt them to your local climate.