3-5 Day Delivery
Knapweed, Greater (Centaurea scabiosa) Seeds
A sharp and showy-looking flower, blooming into starburst-shaped, thistle-like magenta florets. The Greater Knapweed is hardy and tall-growing- grow it alone to let its brambly beauty shine forth and attract plenty of butterflies, or contrast it with softer-shaped wildflowers, like the ox-eye daisy.
- Type: Perennial
- Height: 40-90cm
- Flowers: June-September
- Best Sown: Autumn or Spring
- Soil Requirement: Well-drained
- Light Requirement: Full sun and partial shade
- Natural Habitat: Grasslands, cliff-sides
- Also known as: Black Top
- Seeds per gram: 130
Buy With Confidence
About Us
Boston Seeds is an independent seed merchant founded in 2002 by Andrew Wallis, after 25 years working for some of Europe’s leading seed houses. Find out more about Boston Seeds.
Quality
Here at Boston Seeds, we take quality seriously, and genuinely want every one of our customers to be delighted with their purchase and results. Learn more about our quality assurance.
Delivery
We are proud to offer a wide range of products on a next day delivery service across most of the UK, from just a few grams to hundreds of kilograms.
