Thompson & Morgan Cornflower Centaurea cyanus Blue Boy - 400 Seeds
Experience the charm of summer meadows with the Cornflower 'Blue Boy' from the Kew Flowerhouse See...Experience the charm of summer meadows with the Cornflower 'Blue Boy' from the Kew Flowerhouse Seed Collection by Thompson and Morgan. This hardy annual boasts masses of double, bright blue flowers on slender stems, reaching a height of 1.2 meters. Its nostalgic appeal and romantic cottage garden vibe make it a perfect addition to mini-meadow schemes, borders with calendula, or even a cutting garden where it will flourish with regular deadheading.Specially created in collaboration with the experts at Royal Botanic Gardens, Kew, this seed packet promises an outstanding garden display. Not only does it thrive in both garden beds and indoor plantings, but it also attracts beneficial pollinators like bees and butterflies. Whether you're an experienced gardener or a novice, this easy-to-grow variety will fill your space with the beauty and nostalgia of classic summer blooms.How to Grow:Light: Full sun to partial shade.Temperature: Thrives in moderate temperatures; avoid extreme heat or cold.Watering: Keep soil consistently moist but not waterlogged.Feeding: Apply a balanced fertilizer monthly during the growing season.Humidity: Prefers average humidity levels; mist occasionally in dry conditions.Images shown are for guidance only and show the expected results of plants upon maturity. Different growing conditions might vary results. Image may be included for illustration of supply but can vary due to seasonality changes (e.g. deciduous plants lose leaves in colder months). Decorative pots are not supplied.
This guide is for gardeners of all levels who want to cultivate the beautiful Cornflower 'Blue Boy' in their gardens. The key benefit is the stunning display of bright blue, double flowers that add a touch of nostalgia and charm to any space. However, be aware that while easy to grow, the appearance of the plants may vary based on environmental factors like sunlight and watering conditions.
All features
Model Part Number
KC9721
Brand
Thompson & Morgan
Extended Product Information
FAQs
How often should I water my Cornflower 'Blue Boy'?
Keep the soil consistently moist, but avoid waterlogging. Water when the top inch of soil feels dry.
What type of soil is best?
Well-draining soil is ideal. Amend heavy clay soils with compost to improve drainage.
How much sunlight does the plant need?
It thrives in full sun to partial shade. Aim for at least 6 hours of sunlight daily.
Do I need to fertilize my Cornflower?
Yes, apply a balanced fertilizer monthly during the growing season.
How do I deadhead the flowers?
Simply snip off the faded flower heads to encourage new blooms.
Can I grow Cornflower in containers?
Yes, it grows well in containers. Ensure the pot has drainage holes.
When should I sow the seeds?
Sow seeds directly into the garden in spring after the last frost or start indoors a few weeks earlier.
What attracts pollinators?
Cornflower 'Blue Boy' attracts bees and butterflies, contributing to a healthy garden ecosystem.
Troubleshooting
Poor flowering.
Ensure the plant receives adequate sunlight, water, and fertilizer. Deadhead regularly.
Yellowing leaves.
Check for overwatering or underwatering. Adjust watering habits and ensure proper drainage.
Pest infestation.
Inspect plants regularly and use organic pest control methods if necessary.
Pros and Cons
Pros
Easy to grow, making it suitable for beginners.
Provides a long-lasting display of vibrant blue flowers.