Centaurea macrocephala - GIANT KNAPWEED
Robust looking perennial with large leaves and bigger yellow flowers.
Size : 3-4' of height x 2' of width
Blooming time : June-July
USDA zones : 3 to 7/8, suitable for cooler area, or areas with cooler summer temps
Culture : sun, half sun (in hotter areas), average soil with average moisture
Moisture Needs : medium, medium-dry, dry, tolerates some droughts
Origin : native to Caucasus, Iran and Turkey, it's considered invasive in the state of Washington
Deer/rabbit resistant : yes/yes
Attracts Hummingbirds : no
Attracts pollinators : pollinator friendly - some bees (including honeybees) and small insects
Pot Size : square 3.5" x 4" deep perennial pot
Plant combinations : For cut flower garden, cottage garden, sun gardens. Flower are good cut flowers and can be dried too. Can be combined with majority of perennials - native and non-native. Looks good fine finer structures around it.
Picture copyright : US Perennials
Centaurea macrocephala - GIANT KNAPWEED
Robust looking perennial with large leaves and bigger yellow flowers.
Size : 3-4' of height x 2' of width
Blooming time : June-July
USDA zones : 3 to 7/8, suitable for cooler area, or areas with cooler summer temps
Culture : sun, half sun (in hotter areas), average soil with average moisture
Moisture Needs : medium, medium-dry, dry, tolerates some droughts
Origin : native to Caucasus, Iran and Turkey, it's considered invasive in the state of Washington
Deer/rabbit resistant : yes/yes
Attracts Hummingbirds : no
Attracts pollinators : pollinator friendly - some bees (including honeybees) and small insects
Pot Size : square 3.5" x 4" deep perennial pot
Plant combinations : For cut flower garden, cottage garden, sun gardens. Flower are good cut flowers and can be dried too. Can be combined with majority of perennials - native and non-native. Looks good fine finer structures around it.
Picture copyright : US Perennials