Flowers Centaurea (Bachelor's Button)

Florist Blue Boy
Centaurea Seed

Product ID: 1017

Classic cornflowers. Deep blue.

Upright plants produce abundant double and semidouble, 1–1 1/2" blooms. Prefers cool temperatures. Also known as cornflower, garden cornflower, and bachelor's buttons.

• Edible Flowers: Use the petals of this great edible flower for decorating desserts. Centaurea is also a popular choice for brightening up salad mix. Flavor is bland and mildly floral.

Ht. 30-38". Avg. 5,900 seeds/oz. Packet: 100 seeds.


In Stock

1/2 Ounce

In Stock

1 Ounce

In Stock

1/4 Pound

In Stock

1 Pound

In Stock
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  • This product does not ship to the following states: NC.
DAYS TO GERMINATION: 7-14 days at 60-65°F (16-18°C).

Direct seed (recommended): Sow seeds thinly in rows, 6 seeds per foot, 1/4" deep, as soon as soil can be worked. Cover lightly. Keep soil surface moist until emergence. When seedlings have first true leaves, thin to 6-9" apart.
Transplant: Sow 3-4 weeks before last frost. Transplant into cell packs or larger containers when the first true leaves appear. Grow at 50-55°F (10-12°C) during the night for several weeks to develop a root ball.


Any soil with good drainage. Tolerates poor soil of medium fertility.



Fresh: When flowers are 1/4 to 1/2 open.

Cut flower, edible flower, and beneficial insect attractant. Can be used as dried flower, though blooms are quite small once dried. Effective when massed for color in beds and borders.

Centaurea cyanus

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Quick Facts

Latin Name

Centaurea cyanus

Days To Maturity

Average number of days from seeding date to harvest, within a specific crop group. If a transplanted crop: average number of days from transplant date. Not sure if crop is direct-seeded or transplanted? Check the Growing Information box for details. If crop can be both direct-seeded or transplanted, days to maturity refers to direct seeding. Days to maturity for all flowers and herbs is calculated from seeding date.

65 - 75 Days

Life Cycle

Plants can be Annuals (single growing season), Perennials (grow year after year), Tender Perennials (grow year after year in warmer climates; and in some cases when given special protection in colder climates), or Biennials (require two years to mature).


Hybrid Status

Hybrid: The offspring of a cross between two or more distinct parent lines, usually of same species, and selected for improved traits.
Open-pollinated: A non-hybrid variety that can reproduce itself in kind, demonstrating relatively stable traits from one generation to the next.

Open Pollinated

Product Features

Use for Cut Flowers and Bouquets Use for Cut Flowers and Bouquets
Variety good for fresh cut-flower displays.
Heirloom Heirloom
Seeds saved over many years and passed down, in original form, from generation to generation.
Edible Flowers Edible Flowers
Variety's flowers may be consumed.
Attracts Beneficial Insects Attracts Beneficial Insects
Variety attracts and supports pollinators and/or insects that prey on garden pests.

Heirloom Use for Cut Flowers and Bouquets Edible Flowers Attracts Beneficial Insects