Greater Knapweed
ExplorePlants
Greater Knapweed
Centaurea scabiosa L.
Greater Knapweed is a tall flower with striking purple blooms. It stands out in wildflower meadows and attracts lots of butterflies.
Habitat: Wildflower meadows
Appearance
The Greater Knapweed has large, shaggy purple-pink flowers that resemble thistles, featuring distinct scaly bracts beneath. Its deeply lobed leaves form a rosette, while stiff, branching stems rise, making it visually striking among meadow plants.
KingdomPlantaePhylumTracheophytaClassMagnoliopsidaOrderAsteralesFamilyAsteraceae
Category
PlantsRarity
Common
Danger
1/5 · Very low
Snaps
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Interesting facts
Certain types of butterflies depend on knapweeds as important food sources!
Even after flowering, its dried seed heads remain upright, adding winter interest.
Its name 'knapweed' might come from the 'knops' or knobs of its flower heads!
The Romans reportedly used knapweed for its medicinal properties long ago.
Special abilities
Ability
Deep Drinker
Greater Knapweed has a taproot that dives deep to find water, helping it survive dry spells and access vital nutrients.
Ability
Pollinator Magnet
Its vibrant purple flowers produce abundant nectar, attracting many bees and butterflies for pollination.
Ability
Seed Spreader
Greater Knapweed's seeds are carried by wind and sometimes animals, helping it colonize new areas effectively.
Measurements & details
- Height
- 30-100 cm
- Flower Size
- 3-5 cm
- Bloom Season
- Summer
- Edible
- Yes
- Toxicity
- None
- Lifecycle
- Perennial
- Pollination Method
- Insect
Ecological connections
pollinates
Honey Bee
Apis mellifera
visits flowers for nectar and pollen.
pollinates
Painted Lady
Vanessa cardui
butterfly sips nectar from blooms.
eats
Knapweed Leaf Beetle
Chrysolina fastuosa
larvae and adults feed on leaves.
Traits
Perennial
Perennial plants live for more than two years, typically returning to grow and bloom each year from their roots.
Flowering
Flowering plants are any plants that produce flowers as part of their reproductive cycle.
Grassland
Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
Also known as
No aliases listed yet.
Collections
Safety
Danger
1/5 · Very low
Explore with care and ask an adult if you’re unsure what to do.
Frequently Asked Questions
How tall is Greater Knapweed?
30-100 cm
How big are the flowers on Greater Knapweed?
3-5 cm
When does Greater Knapweed bloom?
Summer
Is Greater Knapweed edible?
Yes
Is Greater Knapweed toxic?
None
What is Greater Knapweed's lifecycle?
Perennial
How is Greater Knapweed pollinated?
Insect
Where is Greater Knapweed usually found?
Wildflower meadows
Snap Map
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