Tradescantia Hub

Callisia is a Commelinaceae genus native to the Americas.

Expand contents Background Tradescantia concolor is a separate species now The miniature cultivars are called the Bantam Group now A new research paper I co-authored has just been published, Towards a taxonomic revision of Tradescantia subg.

In autumn I posted on social media that I was about to move house, and would be taking a break for a couple of months while I got settled.

The rules for cultivar naming are built around the assumption that the people who create and introduce plants to cultivation will always be the ones wanting to register names for them.

As if we didn’t already have enough confusion with ‘Purple Something’ cultivars, there are two different Commelinaceae plants which are both known as ‘Purple Plush’.

Skip to: A new denomination class // The checklist // Cultivar registration // My research // Conclusions I’ve been the International Cultivar Registration Authority (ICRA) for the Tradescantia genus since 2022.

Expand contents Winter 2023-24: Full exposure The cactus hypothesis Winter 2024-25: Dry cold Next time?

Expand contents The context: my research about drainage layers Introducing the Garden Professors (Un)scientific criticism Arguing to win Identifying a cult of expert personality How could the story have gone differently?

Expand contents What goes wrong with experts in online communities Recognising a cult of expert personality How to avoid getting sucked into a cult of expert personality How to avoid becoming a cult expert They might be the group admins or they might be w…

Skip to: Summary // Background // Methods // Results // Limitations // Conclusions My peer-reviewed research paper, Effect of drainage layers on water retention of potting media in containers, has just been published.

Expand contents The problem with toxic plant lists Why do people say tradescantias are toxic?