Tyrol Knapweed
Centaurea nigrescens
- Native to:
- Austria, Bulgaria, France, Germany, Hungary, Italy, NW. Balkan Pen., Poland, Romania, Switzerland
Oceancetaceen - Alice Chodura
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Asteraceae
- Genus:
- Centaurea
- Species:
- Centaurea nigrescens
- USDA Symbol:
- CENI3
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 100 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep
- Bloom Colors:
- purple, pink
Reported Fauna Sightings
Bees: Common eastern (Bombus impatiens) Butterflies:Zabulon Skipper (Lon zabulon)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
- Deer Resistant:
- Yes
Soil Requirements
- Soil Type:
- fertile, well-drained loamy soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- prefers open, sunny locations
Propagation & Germination
- Stratification:
- None required
- Germination Time:
- 14–28 days
- Notes:
- Seeds germinate readily without pretreatment; light may improve germination rates.
The above propagation data sourced from Claude AI