About
Bomarea × cantabrigiensis is a hybrid member of the genus Bomarea in the family Alstroemeriaceae. It is cultivated for its seasonal blooms, which in UK gardens appear from July to September. Plants under this name are typically handled by specialist growers and collectors. Availability tends to be limited to nurseries that deal in tuberous or alpine-slope plants.
About the genus
Bomarea is one of the two major genera in the plant family Alstroemeriaceae. Most occur in the Andes, but some occur well into Central America, Mexico and the West Indies. Some species are grown as ornamental plants.
Wikipedia contributors, "Bomarea", CC BY-SA 4.0 — Bomarea
In the garden
Bomarea × cantabrigiensis sits within the Alstroemeriaceae and carries the hybrid sign in its botanical name, indicating horticultural parentage rather than a wild species. Growers experienced with Bomarea and similar genera treat individual plants according to the supplier’s notes, since cultural needs can vary between hybrids. In UK conditions the flowering period runs from July to September, so flowering behaviour is a useful diagnostic when comparing different accessions. Sourcing usually comes via specialist nurseries or plant societies rather than mainstream garden centres; labels and the grower’s provenance will be valuable when deciding how to look after a particular plant. Many Bomarea-related plants are managed in controlled situations—containers, sheltered borders or structures that allow tidy winter protection—so consider where you can offer secure, monitored conditions rather than an exposed bed on open ground. Support can be required where plants show a climbing or scandent habit, and pot-grown specimens allow winter shelter and easier inspection. Because care regimes differ between hybrids, follow the detailed advice that accompanies each plant and ask the supplier about past performance in UK seasons. Expect flowering to fall in the mid-to-late summer window of July to September, which is when any interest in the blooms will be at its peak.