ExplorePlant

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
Greater Knapweed
perennial trait badgeflowering trait badgegrassland trait badge
Greater Knapweed

Category

Plant

Rarity

Common

Danger

1/5

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
Is 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

Also known as

No aliases listed yet.

Collections

Safety

Danger

1/5

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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