Agrostemma githago Seeds (Corncockle)

Corncockle (Agrostemma githago) is an annual plant species that belongs to the Caryophyllaceae family. It is also known as common corncockle or corn campion. Growing up to 3 feet tall, its slender stems are adorned with soft purple-pink, star-shaped flowers that bloom from summer to early autumn. The plant’s lanceolate leaves form a basal rosette, adding to its attractive appearance. Agrostemma githago seeds can be sown directly in the garden during spring in USDA hardiness zones 4 to 11, making it a versatile and easily grown addition to any garden.

Growing Agrostemma githago from Seed

• Growth cycle: Annual
• Watering: Medium
• Sunlight: Full Sun
• Suitable climates: Arid, Highland, Mediterranean, Semiarid
• Where to grow: Outdoors
• Flower color: Pink

Germinating Corncockle Flower Seeds

To germinate Agrostemma githago, start by scarifying the seeds to break their hard outer coat. Soak the seeds overnight in water, then sow them in well-draining soil. Keep the soil consistently moist and provide filtered light. Germination usually occurs in 1-2 weeks.

We source all of our Agrostemma githago seeds from a small greenhouse facility based in southeastern Maine and store them in a dark, temperature-controlled environment before shipment. You’ll find that our fresh Corncockle seeds are much easier to germinate than the mass-produced packets of flower seeds found in stores! If you have any trouble growing Corncockle seeds, we’re happy to send you additional gardening tips. In the (unlikely) event that your Agrostemma githago seeds do not germinate at all, we’ll give you a full refund, no questions asked.

We offer this variety on Etsy, eBay, and Amazon, as well!

Shipping & returns

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