Knautia dipsacifolia
Knautia dipsacifolia · Caprifoliaceae
The gardener's calendar
Ideal time to plant knautia dipsacifolia: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Caprifoliaceae
- Type
- Perennial herb
- Flowering
- July to September
- Adult size
- 60 to 80 cm in height
- Foliage
- Deciduous
- Hardiness
- Very hardy (-15°C)
- Origin
- Mountainous regions of central and southern Europe
- Growth
- Moderate
Care
Light Exposure
Plant Knautia dipsacifolia in full sun or partial shade. It appreciates at least 6 hours of direct light per day for generous flowering. Good bright exposure also strengthens its structure and density.
Watering
Water regularly during the first year to promote root establishment, then gradually space out watering. This plant tolerates drought well once established. Avoid excess moisture, particularly in winter, to prevent rot.
Soil
Knautia prefers well-drained soil, even poor or chalky types. It adapts to most terrains, including rocky or stony ones. Soil that's too rich in organic matter promotes foliage at the expense of flowering.
Pruning and Cutting
Remove spent flowers regularly to prolong flowering and encourage new stems. In late winter or early spring, cut back the clump to 10-15 cm from the ground to rejuvenate the plant and promote compact growth.
Fertilizer
A moderate application of compost in spring is plenty. Avoid overly rich or nitrogen-heavy fertilizers, which promote excessive foliage development at the expense of flowers. This plant is undemanding.
Diseases and Pests
Knautia dipsacifolia is generally robust and rarely subject to disease. Watch for powdery mildew in case of excessive moisture. Slugs can damage young plants; good air circulation limits these risks.
Did you know?
Knautia dipsacifolia was once harvested from alpine meadows for its traditional herbal properties. Its name "dipsacifolia" means "leaves resembling dipsacus" (teasel), reflecting the resemblance between these two plants. Today, it's a champion of natural gardens and wildflower meadows, highly appreciated by butterflies and pollinating insects.
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.