Allium atroviolaceum: Caucasian Turkish garlic

Allium atroviolaceum is sometimes cultivated as an ornamental. I’ve been growing it for some 15 years now and it is admittedly not very productive as an edimental under my conditions, but it’s nevertheless a beauty and it is currently coming into flower both in my own garden and the Allium garden at the Ringve Botanical … Continue reading Allium atroviolaceum: Caucasian Turkish garlic

The Allium garden at Ringve

19th June 2020: Video update from the Allium (Chicago) garden at the NTNU Ringve Botanical Gardens in Trondheim. The heat wave has brought many species into flower and the garden’s looking great! The official opening of the garden, planned for August, has been postponed to 2021. We are working on plant signs which will hopefully be … Continue reading The Allium garden at Ringve

Pricking out Alliums

It was warm enough to sit outside yesterday and “prick out” (i.e., transplant into bigger pots) all the spring onions and leeks I’d sown a week ago inside. Neither Allium cepa, Allium fistulosum nor Allium ampeloprasum (porrum) need cold treatment to germinate unlike many other Alliums. Of the 40 varieties I sowed, about 28 germinated … Continue reading Pricking out Alliums

Oslo Allium Raid

My new life is as a “visiting onion researcher” at the Ringve Botanical Gardens in Trondheim where I’m developing an Allium garden to be officially opened later in the summer! One of the perks is to have access to collections in other botanical gardens on an exchange basis. I visited the Oslo Botanical Gardens last … Continue reading Oslo Allium Raid

The Allium garden at Ringve

(Norsk under) The Allium garden at the Ringve Botanical Garden (Chicago) in Trondheim contains a collection of old Norwegian onions used for food from all over Norway including Allium fistulosum (Welsh onion), A. x proliferum (Egyptian and Catawissa onions), A. oleraceum, A. vineale, A. ursinum, A. scorodoprasum and A.victorialis (the last four are wild or … Continue reading The Allium garden at Ringve