Glasshouses and Jubilee Conservatory, Balmoral Castle South Gardens

Prince Albert bought the Balmoral estate in 1852, and the present castle, designed by William Smith, was built between 1853 and 1856. The first horticultural buildings of the South Garden date from those years: Historic Environment Scotland, which listed the South Garden, Queen Mary's Garden, the greenhouses, tool sheds and fountain in Category B in 2010, dates a plant house and its sheds to 1856, a greenhouse to 1857 and tool sheds to 1870–1871, warning that archive dates do not always match the buildings that survive. A later gabled greenhouse is assigned to the late 19th century.

In 1876 the South Garden was known as the Outside Flower Garden and already contained the greenhouses, which supplied pot plants and flowers to the castle; there was no kitchen garden, and vegetables came from Frogmore. By 1897 six glasshouses faced south, with a rose garden, fountain and long herbaceous border in front of them. Queen Mary redesigned the formal garden south of the castle in 1923. The Duke of Edinburgh later introduced blueberries to the glasshouses and extended the kitchen garden. The Jubilee Conservatory was built in 2002 for Queen Elizabeth II's Golden Jubilee, and King Charles III has had a fruit house added for peaches and pears.

The listing describes a group of horticultural buildings south-east of the castle, of varying 19th-century dates. The earliest greenhouse is a decorative lean-to of rectangular plan, backed on its north side by a tall heated wall. A broad canted entrance projection, capped by a polygonal roof with a finial, breaks its front; granite, decorative cast-iron grilles and two-leaf doors complete the ensemble, and the interior is fitted with tiered shelving. At the rear, granite lean-to sheds with slate roofs take their light from a cast-iron rooflight, and glazed plant houses line up to the south of these buildings.

A later gabled greenhouse stands beside the gardener's cottage, with a shuttered concrete base, decorative iron grilles and ornate cast-iron brattishing and finials. Neither dimensions nor builder are recorded. The Jubilee Conservatory, of 2002, is more recent; an inscription above its door says one is nearer God's heart in a garden than anywhere else on earth.

According to the inventory of gardens and designed landscapes, the glasshouses serve for pot plants and flowers, but also for fruit and vegetables; blueberries were introduced there by the Duke of Edinburgh. The same entry describes a conservatory where a fine display of pot plants is kept up all year round, with many new varieties of geraniums, without dating it. The estate's website, for its part, presents the Jubilee Conservatory as a place displaying flowers and pot plants, which King Charles III plans to use for themed flower displays for the public.

The South Gardens also include a recent fruit house for peaches and pears and an organic kitchen garden in the east section, which the inventory puts at 1.6 acres (0.65 ha). The King chooses the cut-flower varieties and heirloom vegetables there, and surplus produce supplies the castle restaurant.

The glasshouses stand in the South Gardens, south-east of the castle, the royal family's private residence, whose gardens open only in periods. For 2026, Discover Scottish Gardens gives an opening from 28 March to 9 August, closure from 10 August and reopening on 29 September; the estate's website extends the autumn season to 1 November. According to Wikipedia, the gardens usually open from April to the end of July, before the royal family arrives, while the formal gardens are designed to flower from August to October.

The official website places the glasshouses and conservatory within the three-acre formal gardens without saying whether they can be entered; the public flower display in the Jubilee Conservatory remains a plan there. A visit combines with the Ballroom, the restaurant and the Cairns Walk.