New Bulbous- and Tuberous rooted plants introduced into cultivation by C.G. van Tubergen Ltd. Haarlem (Holland) by C.G. van Tubergen - from Grimbergen Boeken Antiquariaat vof (SKU: 952740)
History of the Dutch Iris — Bloom Expert
Van Tubergen's Variety' Species Tulip - Fedco Bulbs
Van tubergen hi-res stock photography and images - Alamy
The best bulbs for your garden from Avon Bulbs | Gardens Illustrated
www.vantubergen.co.uk | Van Tubergen<br/>Official Website
Ipheion uniflorum 'Wisley Blue'
Tulip praestans VAN TUBERGEN - Sibullilled
The best bulbs for your garden from Avon Bulbs | Gardens Illustrated