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Zygopetalum mackayi

A Zygopetalum mackayi plant is one of the ‘soft leaf’ orchids, a name given due to their leathery leaves. The plant is moderate to large about 14-23 inches tall. It has pseudobulbs, which are bright green when young but turn yellowish-green later. Leaf-like bracts protect the pseudobulbs. The leaves of this orchid are leathery, strap-like, bright green with prominent veins growing from the top of the pseudobulb. The flowers are waxy and very fragrant. The sepals and petals are curved inwards. The plant has green flowers spotted with brown, and has a white lip laced with deep purple.

top view of Zygopetalum mackayi
The top view of the unique flower

The pseudobulbs and their dry bracts.
The pseudobulbs and their dry bracts.

This orchid requires relatively bright light. A healthy plant that does not bloom may mean inadequate light. In proper light the plant has light green leaves. Yellowish leaves indicate too much and dark green leaves indicate too little light. Although these plants enjoy bright light, they should not be grown at direct sunlight, unless the climate is moderate.

A single Zygopetalum mackayi plant.
A single Zygopetalum mackayi plant.

Zygopetalum mackayi loves water. However, its roots should not be soaking in standing water. Watering once or twice a week is adequate. Moist soil is best for proper growth of the plant. Complete drying out should be definitely prohibited.

A bunch of Z. mackayi flowers.
A bunch of Z. mackayi flowers.

mackayi flowers

Zygopetalum mackayi

Zygopetalum mackayi grows on brushy gentle slopes, grassy plains, in sparse woods and meadows near forests. This plant can tolerate both heat and cold and so is easy to grow. The plants however, should never is pot bound.

A flower showing the green petals and the lip.
A flower showing the green petals and the lip.


You can come to Mount Holyoke College’s Talcott Greenhouse to take a look at this fragrant orchid currently in bloom.

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Mount Holyoke College  Botanic Garden
50 College Street, South Hadley, Massachusetts 01075
Telephone: 413-538-2116

Copyright © 2007 Mount Holyoke College. This page created by Web Strategy Team and maintained by Botanic Garden. Last modified on March 20, 2007.