Cutleaf toothwort
Cardamine concatenata · Brassicaceae
The gardener's calendar
Ideal time to plant cutleaf toothwort: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous
- Flowering
- Spring (April to May)
- Adult size
- 20 to 40 cm in height
- Growth
- Fast
- Hardiness
- Very hardy (down to -15°C)
- Origin
- North America
- Soil type
- Rich, moist, well-draining
Care
Watering
Keep the soil consistently moist without waterlogging, especially during spring growth. Regular watering is essential in spring when the plant is developing. Gradually reduce watering in summer and autumn based on climate conditions.
Exposure
Place toothwort in partial shade or dappled shade for best development. It also tolerates shaded areas under deciduous tree canopies. Avoid intense, full sun locations, which can dry out the foliage.
Soil
Prepare soil rich in organic matter, fertile and well-draining, ideally slightly acidic to neutral. Enrich the soil with compost or humus before planting. This plant thrives in conditions similar to moist woodland understories.
Fertilizer
Fertilizing is generally unnecessary if the soil is well prepared with organic matter. In depleted soil, a light application in spring encourages better flowering. Opt for a balanced organic fertilizer.
Pruning
No pruning is required; this herbaceous plant naturally disappears in autumn. You can deadhead spent flowers to encourage longer blooming. Clean up dead foliage after winter.
Diseases and pests
Toothwort is generally robust and rarely affected by common pests. Watch for slugs and snails in spring, which enjoy young leaves. Avoid standing moisture to prevent fungal rot.
Did you know?
Toothwort is a historic companion plant in shaded gardens of North America, where it flourished naturally in temperate forests. Its name 'concatenata' means 'chained' in Latin, referring to how its siliques (seed pods) open in cascade. It remains an essential plant for natural woodland gardens and shaded rockeries in Europe.
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
- CransonArmoracia rusticana
- Sea kaleCrambe maritima
- Mountain AlyssumAlyssum montanum
- Wall rock cressArabis caucasica
- Rocket SaladEruca sativa
- WasabiEutrema japonicum
Tips generated and checked by Viridia — adapt them to your local climate.