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Seed Germination Kit

Bachelor Buttons (Cornflower) Seed Starter Grow Kit

BOTANICAL NAMECentaurea cyanus

USD 10.99

Currently unavailable

Bachelor's buttons (cornflowers) are true-blue edible blooms once worn as a boutonnière — easy, charming, and loved by bees.

GERMINATION7-14 days
SUNLIGHTFull Sun (6-8 hours daily)

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The growing details, all in one place.

Germination01

7-14 days

Light02

Full Sun (6-8 hours daily)

Temperature03

60-70F

Hardiness04

USDA Zones 3-10 (Outdoor); All Zones (Indoor)

THE PLANT NOTEBOOK

Bachelor Buttons care, from seed onward.

Botanical name
Centaurea cyanus
Common names
Cornflower
Family
Asteraceae
Genus
Centaurea
Species
C. cyanus
01

Start growing

Direct sow in full sun. Poor soil is fine.

02

Growing with your kit

The Seeds In A Cup® kit features these seeds because they are large and easy for small hands to plant.

03

Propagation

By seed.

04

Seasonal growth & harvest

Fast blooming in early summer.

05

Growing conditions

Meadows and cornfields.

06

Weather & tolerances

Drought tolerant; cool weather hardy.

07

Pests & plant health

Aphids.

08

Plant safety

Safe and edible.

09

Botanical features

An annual wildflower with intense blue, ruffled flower heads and grey-green foliage.

10

Varieties

‘Blue Boy’, ‘Black Ball’.

11

Garden & everyday uses

Cut flowers, edible petals (garnishes), dye

12

Native range & distribution

Native to Europe.

13

Conservation

Declining in the wild due to herbicide use.

14

Name origins

Named after the centaur Chiron; 'Cornflower' because it grew in grain fields.

15

History

Symbol of Germany and used in the 'Blue Flower' romanticism movement.

A closer look

The details
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Full product description
Bachelor's buttons (cornflowers) are true-blue edible blooms once worn as a boutonnière — easy, charming, and loved by bees. How to grow Bachelor Buttons (Cornflower) from seed Sow your seeds at the depth listed on the included instruction card and cover lightly. Then set the clear humidity lid on top to hold warmth and moisture. Keep the planter warm and in bright light, and mist the surface whenever it begins to dry. When your Bachelor Buttons (Cornflower) sprouts appear, remove the lid and move it to your brightest window or under a grow light. Once seedlings have their second set of true leaves, pot them up or move them outdoors after your last frost. Bachelor Buttons (Cornflower) at a glance Botanical name: Centaurea cyanus Germination: 7-14 days at 60-70F USDA zones: USDA Zones 3-10 (Outdoor); All Zones (Indoor) Mature size: 24-36 inches Sunlight: Full Sun (6-8 hours daily) Seeds included: 10-20 seeds Frequently asked questions What's included in the Bachelor Buttons (Cornflower) Seed Starter Grow Kit? How do I grow Bachelor Buttons (Cornflower) from seed? Moisten the included soil, sow your Bachelor Buttons (Cornflower) seeds at the depth on the instruction card, keep the planter warm and bright under the humidity lid, and mist until they sprout. Full steps are in your kit. How long do Bachelor Buttons (Cornflower) seeds take to germinate? Bachelor Buttons (Cornflower) seeds typically sprout in 7-14 days at 60-70F when kept warm and evenly moist. Your guide lists the ideal conditions. Does this kit use real potting soil? What if my seeds don't sprout?
Catalog variants
  • SIAC-TGK-435RG — USD 10.99 · Out of stock
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How do I grow Bachelor Buttons (Cornflower) from seed?

Moisten the included soil, sow your Bachelor Buttons (Cornflower) seeds at the depth on the instruction card, keep the planter warm and bright under the humidity lid, and mist until they sprout. Full steps are in your kit.

How long do Bachelor Buttons (Cornflower) seeds take to germinate?

Bachelor Buttons (Cornflower) seeds typically sprout in 7-14 days at 60-70F when kept warm and evenly moist. Your guide lists the ideal conditions.

INFORMATION SOURCE

Growing details are supplied in the Seeds In A Cup product catalog. Follow the instructions included with your specific kit.

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