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corncocklePropagation & harvesting guides

Please refer to the general growing guide for more in-depth information on growing processes.  

Agrostemma githago ‘Milas Snow Queen’

Colour: White flowers with teeny tiny brown spots in the centre.

Type: Hardy annual.

Height: 60cms – 90cms

To purchase seeds from this variety please visit our online shop  - thank you.

This hybrid version of the wild corncockle flower is taller with larger blooms than it’s purple flowering relative.  It early blooming time will give you an abundance of silky white flowers while other bloomers are rolling over to have a second sleep.  Their gorgeous white blooms add a fresh, natural look to bouquets and floral arrangements.   If your friends and relatives don’t stop and admire these beauties in your cutting patch – just don’t invite them over again. 

To note:all parts of this plant are toxic to humans and animals. 

To purchase seeds please pop over to our online shop …..


Sow seeds indoors from February – March onwards.  Sow into seed compost and very lightly cover the seeds.  Germination usually takes place within 2 – 4 weeks.  

Plants are cool hardy, so seeds can be sown in late summer / autumn and planted outdoors about 4 weeks before first frost is due (usually around mid-October).  Seedlings transplanted outdoors in autumn will benefit from frost protection. 


Seedlings can be pricked out of their seed tray as soon as they are big and strong enough to handle. They can then be further transplanted into their permanent position once they have developed a strong, healthy root system.

Agrostemma is a cool – hardy plant and it can be planted out when there is still a risk of frost but in areas prone to heavy, prolonged frost it would be advisable to use frost protection until danger of frost has passed – usually mid to late May. 


Plants produce tall stems on numerous branches and their slightly spindly stems will definitely benefit from plant support to protect them from wind and rain damage. 


Agrostemma produces numerous flowers on individual branched stems.  The first harvest can be taken as single flowers but as stems become more numerous you will find it easier to harvest entire branches at a time. Flowers profusely and dead-heading is necessary to prevent the plants from going completely to seed to soon.