Recommended Plants for Greenhouse Gardening

For a greenhouse capable of maintaining 48° F. (9° C.) in winter

The following selection will give variety not only in flower colour, but also in the shape and habit of the plant and flowers.

Cochlioda noezliana, scarlet flowers, 1 to l-½ in. across, on slender curving stems 6 to 8 in. long, in April to May. Very floriferous.

C. rosea, 10 to 15 rose-coloured flowers, less than 1 in. across, on pendant stems in winter and spring.

Cymbidium giganteum, 8 to 20 fragrant, reddish-green flowers, 4 in. across, on spikes 16 to 24 in. long, in December.

C. tracyanum, 15 to 20 fragrant golden-brown flowers, 4 to 5 in. across, on spikes 2 to 3 ft. long, in late autumn.

The six following cymbidiums are hybrids that flower from January to April, and the blooms measure about 3 to 4 in. across:

C. Bodmin Moor, 14 to 16 flowers in various shades of yellow, of good form and texture.

C. Ceres, up to 24 bronze-red flowers. Easy to grow.

C. Erica Sander and its hybrids, 14 to clear green flowers in arching sprays, a little shy in flowering.

C. Louis Sander, 12 to 16 large, well-formed, cream and pink flowers of good texture.

C. Pauwelsii, up to 30 golden-bronze flowers with a rich red lip. An old hybrid with an outstanding habit.

C.Pearl, numerous, large, cream to buff-pink flowers.

Cypripedium insigne, solitary green and brown flowers, often 3 in. across, from November to January.

C. insigne sanderae, a beautiful yellow and white form.

Dendrobium densiflorum, a spray of white and gold flowers, 8 to 10 in. long, from April to May. Each pseudo-bulb can produce two to three inflorescences.

D. nobile, amethyst-pink and white flowers, 2 to 3 in. across, from February to March.

D. ochreatum, orange-yellow flowers, about 2 in. across, in spring.

D. pierardii, yellow and pale mauve flowers, 2 in. across, borne in clusters of twos and threes from nodes from March to April.

Epidendrum O’brienianum. Orange-scarlet flowers, 1-1/2 to 2 in. across, from May to July.

E. radiants, bright orange-red, long- lasting flowers, 1 to 1-½ in. across, from March to June.

E. vitellinum, 10 to 12 orange flowers, 2 in. across, in autumn.

Laelia anceps, inflorescence 20 to 24 in., with three to five mauve and pink flowers, 3 to 4 in. across, in December and January.

L. gouldiana, three to eight amethyst-pink flowers, over 4 in. across, in winter.

Maxillaria picta, fragrant reddish-brown flowers, ½ to 3/4 in. across, in winter.

Odontoglossum grande, four to nine golden, chestnut-blotched, long-lasting flowers, up to 6 in. across, borne on stiff spikes from November to February.

O. jamesianum, very large white flowers from apex of bulb, from March to May.

O. pulchellum, ten or more fragrant white flowers, l in. across, on spikes l ft. high, in March and April.

O. schlieperianum, golden, chestnut-blotched flowers, which are similar to O. grande but smaller and more numerous, in September.

Oncidium crispum, 10 to 20 golden-brown flowers on a branched spike in spring.

O. forbesii, 10 to 15 rich golden-brown flowers, 2 in. across, from October to November. Branched inflorescence 2-½ ft. long.

O. sphacelatum, numerous, golden-yellow flowers, over l in. across, in spring.

O. tigrinum, red and yellow flowers, 3 in. across, on 3 ft. long panicles in winter.

O. varicosum, numerous medium-sized, golden-yellow flowers from September to October on a spike 4 to 5 ft. long.

Any of the cool-growing hybrids of these species are also suitable.

16. February 2012 by Dave Pinkney
Categories: Featured Articles, Garden Management, Gardening Calendar | Tags: , , , | Comments Off on Recommended Plants for Greenhouse Gardening

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