Centaurea cyanus

Aerulean®

Protected by U.S. Patents No. 8,301,389 & 8,577,616

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Butterflies in Mind -- Zinnia

Susan C. Dunlap

A collection of 50 images as if seen from a butterfly’s point of view. Includes the names of native Zinnia species and the most complete list of US butterflies that will feed on Zinnia blossoms.

Butterflies in Mind -- Asclepias

Susan C. Dunlap

“Milkweed is the single most important plant for Monarch butterflies. This lavishly illustrated book contains details about the structure and cultivation of native Milkweeds, information about the 139 nectar-feeding butterflies they...

Butterflies in Mind -- Monarch

Susan C. Dunlap

This abundantly illustrated volume enables you to select from a complete list of well described perennial nectar plants that are known to attract & feed Monarch butterflies. Over 40 genera are described that are suitable to be grown...

Butterflies in Mind -- Perennials

Susan C. Dunlap

Butterflies in Mind - Perennials. This book is a definitive guide to perennial nectar plants preferred by US butterflies. It empowers you to feed, attract, support (and help identify) nectar-feeding butterflies that reside in the US....

Centaurea cyanus

Family: Asteraceae

Common names: BLUEBOTTLE, CORNFLOWER, KNAPWEED, STAR THISTLE

Native to: Northern Temperate Regions

Sentiment: single blessedness

Plant

Type: annual

Form: erect

Max height: 3 feet

Max width: 0.48 feet

Flower

blue/green

Leaf

green

Horticulture

Attracts wildlife: adult butterfly, bird, specific butterfly species

Bird species attracted to plant: chickadee, northern cardinal, nuthatch, titmice

Plant part consumed by birds: seeds

Exposure: sun

Propagates by: seed

flowers in spring

flowers in summer

Soil type: wide range

USDA Zones: zone 2 -50 f, zone 3 -40 f, zone 4 -30 f, zone 5 to -20 f, zone 6 to -10 f, zone 7 to 0 f, zone 8 to +10 f, zone 9 to +20 f

Temp. range: -50 to +30 °F

Water: moderate

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