Psephellus Species, Bachelor’s Button, Evergreen Bachelor’s Button, Knapweed

Psephellusbellis

Family
Asteraceae (ass-ter-AY-see-ee)
Species
bellis (BEL-liss)
Synonym
Centaurea bella
Sun Exposure
Full Sun
Foliage
Evergreen
Height
6-12 in. (15-30 cm)
Hardiness
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
Bloom Color
Pink
Bloom Time
Late Spring/Early Summer
Other Details
Category
Perennials
Water Requirements
Foliage Color
Where to Grow
Grow outdoors year-round in hardiness zone
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Portsmouth, Rhode Island

Casper, Wyoming

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Gardener's Notes:

1
positive
0
neutral
0
negative
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(Zone 5a) | January 2006 | positive

I have this in several places in my yard. Where it is doing the absolute best is along the road in a clay and rock mix. To show how bad...Read More

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