Zone H1b is a subcategory within the H1 (tender) zone, the category is described as Heated Glasshouse – Subtropical. Temperature range between 10 to 15 degrees C, which means that these plants can be grown outdoors in the summer in a sunny & sheltered location, but they will need to be brought indoors during the winter.

H1b zone plants do best as indoor plants or under glass all year round.

Here is a list of some H1b Zone Plants worth looking at if you have somewhere frost free to keep them during the winter months.

Bird of Paradise (Strelitzia reginae)

More info: https://www.rhs.org.uk/plants/18018/strelitzia-reginae/details

Bird of Paradise is a striking plant with large, paddle-shaped leaves and stunning, crane-like flowers that resemble birds in flight. It thrives in a frost-free environment with bright, indirect light.

Banana (Musa spp.)

More info: https://www.rhs.org.uk/plants/popular/banana

Banana plants are large, tropical plants known for their long, broad leaves and fruit production. They require a warm, humid environment and can be grown in containers in a conservatory or greenhouse.

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