Bachelor's Button 'Pulchra Major'

Centaurea

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Centaurea (sen-TAR-ee-uh) (Info)
Cultivar: Pulchra Major

Category:

Perennials

Foliage Color:

Silver/Gray

Bloom Characteristics:

Flowers are good for cutting

Flowers are good for drying and preserving

This plant is attractive to bees, butterflies and/or birds

Water Requirements:

Drought-tolerant; suitable for xeriscaping

Average Water Needs; Water regularly; do not overwater

Where to Grow:

Grow outdoors year-round

Height:

12-18 in. (30-45 cm)

Spacing:

9-12 in. (22-30 cm)

12-15 in. (30-38 cm)

Hardiness:

USDA Zone 4a: to -34.4 C (-30 F)

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)

Sun Exposure:

Sun to Partial Shade

Danger:

N/A

Bloom Color:

Pink

Rose/Mauve

Bloom Time:

Mid Summer

Foliage:

Grown for foliage

Herbaceous

Velvet/Fuzzy-Textured

Other details:

Unknown - Tell us

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

7.6 to 7.8 (mildly alkaline)

Patent Information:

Non-patented

Propagation Methods:

By dividing the rootball

From seed; direct sow outdoors in fall

From seed; winter sow in vented containers, coldframe or unheated greenhouse

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Regional

This plant has been said to grow in the following regions:

Phenix City, Alabama

Gardeners' Notes:

0
positives
1
neutral
0
negatives
RatingContent
Neutral

On Dec 28, 2015, coriaceous from ROSLINDALE, MA wrote:

This was arguably the best garden plant in the genus. when it was considered a Centaurea. (It was once classified as Centaurea cynaroides, but has since been successively renamed Stemmacantha centaurioides and now Leuzea centaurioides.)

It looks like a miniature artichoke or thistle, but without prickles. The leaves are gray-green above and white underneath. The pic at the top of this page is clearly not of this plant.

Reaches 40" height and as wide. Continues to look good after flowering.

Mature clumps may be propagated by careful division, but this isn't easy.

Requires full sun and excellent drainage. Prefers neutral to mildly alkaline soils. Does not do well on clay. Native to meadows with rocky soils in south-central Spain. H... read more

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