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Bachelor's Button

Centaurea montana 'Amethyst Dream' PP20,781

Vivid amethyst flowers with unique tubular petals on soft green foliage.

A special selection of Perennial Cornflower, forming a low mound of grey-green leaves with an early summer display of shaggy flowers. Petals are a rich deep amethyst purple. A good choice for near the front of the border, in full sun to part shade. Flowers are great for cutting. Remove faded blooms to prevent self seeding. Plants may benefit from a hard cutting back in midsummer to rejuvenate the foliage. A Blooms of Bressingham introduction. USPP#20781: unlicensed propagation prohibited.


Bloom Time:

Blooms late spring to early summer

Mature Height:

16-20 Inches

Hardiness Zone:

3-9 Find your zone


Full Sun

Features and Usage:

Greenhouse Growing Instructions:

Begin at 48-55° F in high light levels while allowing soil to dry slightly between waterings, never keep overly wet. Once plants are actively growing move up to 60° F or higher. Plants generally finish in 6-10 weeks based on growing conditions.
Plants Per Gallon: 1
Storage Temperature Prior to Planting: 38
Cooler Humidity Prior to Planting: Low

Transplanting Instructions:

Plant in well draining professional potting soil keeping crown of plant at same level it was in the plug. Once potted, water immediately and apply a broad spectrum fungicide according to directions to avoid crown and root rot.

Homeowner Planting and Maintenance Tips:

Easy to grow in full sun in dry soil.

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We have done our best to describe this plant as accurately as possible, however, different climates
and growing conditions in different parts of the country will affect height, bloom time, and color.