Cornflower- Blue Boy

Centaurea cyanus Packet

Standard seed packet, 50 seeds

In Stock

  • Annual 90cm
  • Traditional cornflower blue flowers
  • Excellent cut or dried flower

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'Cornflower- Blue Boy' seeds

Centaurea cyanus

  • Annual 90cm
  • Traditional cornflower blue flowers
  • Excellent cut or dried flower

Annual growing between 40-90cm tall. Plants have an upright habit with long grey/green leaves and produce tall traditional cornflower blue flowers. Good for cottage gardens, wildflower gardens, beds and borders. Excellent vibrant blue colour and very easy to grow. Makes an excellent cut flower or dried flower; colour doesn't fade. Attracts bees and butterflies to the garden. Has a history of medicinal uses and petals are often used to add colour to salads or dried in tea blends. Can be grown in containers. Drought and frost tolerant, will grown in poor soil conditions. Also known as Bachelors Button. 

Seeds per gram: 220
Product code: F5-15

Quick Sowing Guide
Method Sow direct or raise seedlings
Sowing Depth 5mm
Season Autumn, early winter and spring
Germination 7-14 days @ 15-18 °C
Hardiness / Life Cycle Hardy Annual
Plant Spacing 20cm
Plant Height 90cm
Position Full sun, well drained moist soil
Days Until Maturity 70 days

*Notes: Deadhead to prolong flowering. Plants may need some support.


We deliver Australia wide.

All orders are dispatched from our warehouse in Knoxfield, Victoria, Australia.

We do not deliver overseas.

Shipping cost is calculated using all the items in your shopping cart and your delivery postcode. The table below outlines the delivery options and costs.

Order dispatch time is currently 1-3 business days plus delivery time.
Please note we are unable to guarantee specific delivery dates, the delivery timeframes below are estimates only.


Order contains: Delivery options: Delivery cost per order
Small seed packets ONLY - Economy Delivery $2.50 or FREE on orders over $20 $5
Parcel Delivery Capped rate of $6.99
Express Delivery $15.00

BULK seed, garden supplies, tools, or accessories -

Parcel Delivery

Capped rate of $6.99

Express Delivery

Starting from $15.00
(Calculated by weight)
Live Plants - Live plants Capped rate of $10.00

*All orders sent to Western Australia are subject to mandatory inspection and fees by Quarantine WA. These fees are included in all shipping costs above.

**We will replace all orders that are lost or damaged in transit however we will not replace or refund orders simply because they were delivered later than estimated. Full details here.


Ratings & Reviews

Cornflower- Blue Boy

A rich blue coloured flower, very vibran colour, great to look at. Also attracts lots of wildlife even with if you don't have heaps of flowers/plants. In particular it attracted blue-banded honey bees and hoverflys to my garden (great pollinators!).
1 November 2020