This house has the most varied collection of diverse plants in a small space compared to other parts of the Gardens. The hot humid atmosphere most nearly simulates the conditions of the lowland equatorial regions of the tropics and the species grown represent the great variety of life forms which are characteristic of these habitats; trees, climbers, epiphytes -plants that grow on other plants for support, ferns, shade-loving herbs and water plants. It has a minimum winter night temperature of 16°C.
The Subtropical (Palm) House is the largest of our glasshouses, rising to 8′ on top – enough height to accommodate large trees including palms, tree ferns and a giant bird-of-paradise plant. Dicksonia x lathamii tree fern is unique to the gardens and the only one in the world! Keeping lower temperatures and humidity than the Tropical House, this home closely mimics climates of subtropical regions with a minimum nightly temperature of 13°C.
This house preserves some of the atmosphere of a Victorian conservatory or orangery. This early type of glasshouse was a popular feature of wealthy families’ homes throughout the last century. The central beds are planted with a diverse selection of citrus varieties.
A display of Pelargonium (indoor Geranium) on the left features a collection spanning from the colourful hybrids used as summer bedding plants to the wild species from which they all hail from South Africa and Australia.
A 70-foot (21-metre) long display of unusual and colourful plants creates an amazing show every day of the year. This glasshouse has a minimum nighttime temperature of 10 degrees Celsius, similar to that in the Mediterranean.
A glasshouse built for plants in climates with low, irregular rainfall, but also for plants at dry locales like cliffs, deserts, or under tree branches. This house is permitted to maintain ambient temperatures except for low-level heat during frost periods. In the summer it receives water about three times weekly; from October through March, it reduces to nothing.
Plants range from high-growing cacti and succulents from Central America to drought-tolerant shrubs like mimosa and bottlebrush from Australia, as well as live rock from South Africa. The glasshouse keeps a minimum winter nighttime temperature at 7°C.
The Alpine House has an ever-changing range of Alpine plant genera from around the world’s mountain ranges. It also allows us to display our award-winning National Cyclamen collection.Alpine plants grow above the `treeline` on a mountain or hillside. There comes a point where conditions are not favourable for trees to grow due to exposure or altitude. Alpine plants have adapted to thrive in these conditions by growing as tightknit cushions which hug the rocks or by growing in sheltered crevices. In the wild, many Alpine plants are provided with a blanket of snow that protects them while in their winter `slumber`. This is recreated in the Alpine House by keeping it cool and well ventilated.
(This glasshouse was kindly donated to Birmingham Botanical Gardens by Hartley Botanics.)
The Butterfly House is home to colourful tropical butterflies from the Philippines, Central America and tropical parts of Africa. Watch these butterflies drinking from exotic, scented, nectar rich plants such as Lantana, Trachelospermum and Heliotrope. See them feeding on sugar-water feeders and saucers of fermenting fruit such as banana, apple and oranges. Each week 100 new pupae are placed in the emerging case- we attach them to bamboo canes with glue! Some of the pupae may hatch on the same day, whilst others take a week or so- if you are lucky you may see one hatch! On sunny days, the butterflies will fly around you and may even land on you to say hello. On cloudy days they prefer to rest in the foliage and are camouflaged as ‘dead leaves’. How many will you spot today? The Butterfly House is located at the far left corner of the gardens and is open everyday from late May to early September. From late September to early May, we change this glasshouse to an overwintering glasshouse. This is where, during the winter, we keep our cacti which were planted outside on the Terrace for the summer.
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