Greenhouse Gardening

Smithiantha

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
One of the things we have to live within gardening is name changes decided on by the botanists for their own – but not necessarily our – good reasons. Thus what we now have to call smithianthas, may still be more familiar to some gardeners under their old name of gesnerias. The smithianthas are tender, tuberous-rooted perennials and very attractive plants with their spikes Read more ...

Schizanthus: Poor Man’s Orchid and Butterfly Flower

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
Poor Man’s Orchid and Butterfly Flower are two appropriate common names for this lovely half-hardy annual which will provide a delightful display in spring and summer in a frost-free greenhouse. I consider it to be one of the most valuable of all our cool Read more ...

Sansevieria

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
The type most commonly cultivated is Sansevieria trifasciata laurentii, the Bowstring Hemp, or, less kindly, Mother-in-Law’s Tongue. This attractive foliage plant has distinctive, mottled, sword-shaped leaves, with two yellow bands running throughout their length close to the edges. It is popular as a house plant, and is useful for the conservatory, sun lounge or greenhouse. Read more ...

Saintpaulia: African Violet

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
Many people find African Violets – Saintpaulia ionantha and its varieties – difficult to grow, but this does not prevent them being popular greenhouse and room plants. The flowers, which are borne almost throughout the year, range from rich purple to violet-blue, blue, pink and white in colour. They are extremely attractive, as are the leaves, which are velvety in texture Read more ...

The Primula

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
Primulas grown in greenhouses are exotic-relatives of our native primrose and cowslip. They are mainly winter flowering and are ideal plants for the amateur gardener as they do not require much heat. The three most popular species are Primula obconica, P. malacoides and P. sinensis (including the form stellata). An attractive hybrid for the greenhouse is P. kewensis. Primula Read more ...

Poinsettia

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
Poinsettia is the popular name for Euphorbia pulcherrima, an ideal plant for the warm greenhouse. Its flowers are quite insignificant but they are surrounded by large leaf-like bracts (scarlet in this species) which are extremely showy. At one time these bracts were only seen around Christmas time – when they are especially welcome – but since the introduction of special Read more ...

Plumbago

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
The plumbago is a tender shrub with pale blue flowers in summer which is ideal for growing up the wall of a sun lounge. A conservatory or a lean-to greenhouse. The best species for these conditions is Plumbago capensis. It is not a true climber but may be treated as one and is excellent for training on canes, on trellis work or a wire ‘umbrella’. Cultivation Plumbago can Read more ...

Peperomia

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
The peperomias all like warm, humid conditions and thrive in a temperature of around 21°C. (70°F.) in summer and 13 to 16°C. (55 to 60°F.) in winter. All are grown primarily for their foliage, always attractive in shape and often variegated as in Peperomia sandersii, which has leaves striped silver and green, and P. magnoliaefolia variegaia with cream and green leaves. Read more ...

Growing Pelargoniums in the Greenhouse

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment

Four distinct types of pelargonium (or geranium to give this plant its popular name) are grown: the Regal, Zonal and Ivy-leaved types, and the fragrant-leaved kinds. All are good greenhouse plants and all need plenty of room and light. In addition to being grown as pot plants the Regal

Nerium

Posted in Featured Articles, Greenhouse Gardening, Plants & Trees on March 1st, 2012 by Dave Pinkney – Be the first to comment
The neriums are evergreen shrubs for the cool greenhouse which grow up to 10 ft. in height and bear terminal clusters of attractive flowers. The foliage is narrow and leathery and reminiscent of willow. The best known species is Nerium oleander, the Oleander or Rose Bay, and another is N. Odorum, both being available in double- and single-flowered forms in colours from white Read more ...

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