Monday, 02 February 2015 17:49


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General Cultural requirements:

Light: Very bright shade to partial sun, about the same light as Cattleya, approx. 2000 to 4500 ftc. Under lights growers can compensate for lower light intensities by using 18 hour day & 6 hour night.

Air movement: Good air movement is essential, especially if leaves receive any direct sun, air movement keeps the thin leaves from sun burn. Use a small fan in the growing area, leave it on 24/7. The right amount is there should be some movement of leaves at all times.

Temperature: Most species are intermediate growers, most will tolerate cool temps, though cool is not required, most species will tolerate summer heat with good air movement. For most at least 10 months of the year night temperatures should drop below 68 F. The ideal range at night would be between 50 and 65 F. A few warm nights are not an issue. Daytime temperatures can be 10 to 20 degrees warmer. Protect from direct sun when temperatures are above 95 F. To keep roots cool, place the pot with the Lycaste into an empty clay pot that is at least one inch larger in diameter than the pot the plant is in. The outer pot will stop the sun from heating up the potting mix and roots. The empty air space between the outer pot and the inner pot will insulate the inner pot from the heat of the sun.

Potting mix: Any water retentive mix with good air voids will work. Fir bark with Perlite is preferred by many. Use a fine seedling mix for pots less than 5 inches diameter. Use a medium bark mix for larger pots. Sift out the fines over a piece of window screen or 1/8th inch mesh. Discard anything that is finer than 1/8th inch. Repot in spring when new growth is one to two inches tall. Repotting out of season can cause problems, but if it is necessary, repot. Do not allow mix to get stale. If the Lycaste drops all its leaves right after repotting, don’t panic, keep watering the plant. New growth will start, usually within 2 months, but it may take longer.

Water: Keep moist all year round, do not dry out between waterings. If you keep the plant moist, water quality is not an issue. Never let the mix become bone dry between watering. When in active growth Lycaste want to be almost (but not quite) as wet as Phragmipedium. This is the way to keep evergreen species like L. skinneri and all Sudamerlycaste (formerly Ida) species happy. Deciduous species will need a dry rest in LATE winter, usually beginning middle of January, through February and often into March. Don’t start the dry rest too early. Deciduous species need time to mature in fall and early winter. The dry season coincides with the height of the tourist season for Gulf Coast Florida.

Fertilizer: Lycaste are moderate feeders, dilute high nitrogen fertilizer all year round. My personal recommendation is MSU formula at ½ to 1 teaspoon per gallon, every week. I personally dose my plants to between 125 and 250 ppm nitrogen MSU with every watering. Do not use high phosphorous fertilizers.


Lycaste are easy to grow, they develop into wonderful display specimen plants. All have very large thin leaves. As a general rule, the thin leaves do not last much more than one year, even on the evergreen species. If you have an evergreen species, such as Lycaste skinneri or its hybrids, and it loses all its leaves, don’t dry it out completely.

Check to see if there are problems you can identify. Insect infestations can cause leaf drop. Drying the plant out during the time of year that it should be growing actively will cause leaf drop. Take care of any obvious problems and then keep the plant slightly moist with good air movement. New growth and new leaves should appear within a few months.

Many text books will tell you that Lycaste require cool temperatures. I have personally had several plants of Lycaste skinneri survive more than 15 years of Chicago area summers, without air conditioning. I believe if you provide good air movement Lycaste will survive the summers experienced in the Midwest without any problems.

The following is a list of all the evergreen Lycastes. These species and the hybrids from them will appreciate the culture recommendations above.


Evergreen Lycaste Species:

  • Lycaste dowiana (Endres & Reichenbach) 1874 – Guatemala, Costa Rica, Nicaragua,
  • Lycaste leucantha (Klotzsch) 1850 – Costa Rica, Panama
  • Lycaste skinneri (Lindley) 1843 – Guatemala, Mexico, Honduras, El Salvador
  • Lycaste skinneri alba
  • Lycaste skinneri armeniaca
  • Lycaste skinneri from Ipala (syn L. guatamalensis ?)
  • Lycaste skinneri rosea
  • Lycaste powellii (Schlechter) 1922 – Panama
  • Lycaste schilleriana (Reichb. f.) 1855 – Panama, Peru, Colombia, Suriname
  • Lycaste virginalis (Scheidweiler) Linden 1888 (correct name is skinneri)
  • Lycaste virginalis alba (Scheidweiler) 1842 (correct name is skinneri alba)
  • Lycaste xytriophora (Linden & Reichenbach) 1872 – Ecuador, Colombia
  • Lycaste macrophylla represents a “super species”, a single widespread species with many geographic variants, where found it seems every valley has its own color form. Some authors treat this as a swarm of very closely related species. It is a geographically wide spread species, each of the subspecies listed below may be found listed in some references as a species in its own right, or by other authors variously sunk back to variety level or simply geographic races. All variants have big wide leaves, many flowers with wonderful fruity fragrances. Often used in hybrids to bring in a wonderful range of colors. It is in the ancestry of nearly all modern red and sunset colored Lycaste hybrids.
  • Lycaste macrophylla (Poepp. & Endl.) Lindley 1843 Centr./South America – Peru
  • Lycaste macrophylla subsp. Desboisiana (Cogniaux) Fowlie 1964 – Costa Rica; Panama
  • Lycaste macrophylla subsp. desboisiana f. alba (Cogniaux) Fowlie 1964 – Costa Rica
  • Lycaste macrophylla subsp. filomenoi (Schlechter) Fowlie 1964 – Peru
  • Lycaste macrophylla subsp. macrophylla (Lindley) Fowlie 1964 – Peru
  • Lycaste macrophylla subsp. measuresiana (Williams) Fowlie 1887 – Amazonas
  • Lycaste macrophylla subsp. neglecta (Schlechter) Fowlie – Bolivia
  • Lycaste macrophylla subsp. orinocoensis (Fowlie) 1964 – Colombia
  • Lycaste macrophylla subsp. panamanensis (Fowlie) 1964 – Panama
  • Lycaste macrophylla subsp. plana (Lindley) Fowlie 1964 – Costa Rica; Panama
  • Lycaste macrophylla subsp. puntarenasensis (Fowlie) 1964 – Costa Rica; Panama
  • Lycaste macrophylla subsp. viridescens (Oakeley) 1991 origin?
  • Lycaste macrophylla subsp. xanthocheila (Fowlie) 1964 – Costa Rica


The Deciduous Lycaste

These species come from areas of Central and South America that experience seasonal wet and dry periods. As a “vague but true” generalization from Florida to Colombia along the Caribbean-Atlantic coast there is a dryer season starting in January, lasting through February, usually ending late March. There is often some rain, but no where near as much as there usually is the rest of the year. The Central American Pacific coast dry season timing is similar.

For both areas, some local regional exceptions exist that are beyond the scope of this article.

The following species are considered deciduous:

  • Lycaste aromatica (Graham ex Hooker) Lindley 1843 – Mexico, Nicaragua, Guatemala
  • Lycaste bradeorum (Schlechter) 1923 – Honduras, Costa Rica, Nicaragua – (prefers warmer temperatures)
  • Lycaste campbellii (C. Schweinf.) 1949 Panama, Colombia (I-W temps – true miniature)
  • Lycaste cochleata (Lindley) 1850-51 – Mexico, Guatemala (I-W temps)
  • Lycaste consobrina (Reichb. f.) 1852 – Mexico
  • Lycaste crinita (Lindley) 1844 – Mexico
  • Lycaste cruenta (Lindley) Lindley 1843 – Mexico,Guatemala, El Salvador (really prefers intermediate to cool, not very warm tolerant)
  • Lycaste deppei (Lodd.) Lindley 1843 – Mexico, Nicaragua, Guatemala
  • Lycaste deppei var. praestans (L. Linden) 1898
  • Lycaste deppei var. punctatissima (Reichb. f.) 1881 (population of deppei with gene introgression from L. skinneri, could be considered a natural hybrid)
  • Lycaste lasioglossa (Reichb. f.) 1872 – Guatemala
  • Lycaste luminosa (Oakeley) 1991 – Costa Rica (?)
  • Lycaste macrobulbon (Hooker) Lindley 1846 – Colombia (I-W temps)
  • Lycaste brevispatha (Klotzsch) 1851 – Costa Rica, Nicaragua
  • Lycaste candida (Lindley) 1851 – Costa Rica, Nicaragua, Panama
  • Lycaste micheliana (Cogniaux) 1900 = natural hybrid of cochleata
  • Lycaste saccata (A. Richard) 1848 – Mexico, Guatemala
  • Lycaste suaveolens (Summerhayes) 1931 – El Salvador
  • Lycaste tricolor (Klotzsch) 1852 – Costa Rica, Panama
  • Lycaste x mitchellii – natural hybrid possibly from L. cochleata


As a general rule the deciduous Lycaste tolerate warm temperatures better than Lycaste skinneri. Which means that in all but the hottest areas of the country these species should do fine. For ten months of the year grow these Lycaste as you would the Evergreen species as described above. For two months in the late winter give them a dry rest.

The best time to start this rest is when all the leaves start turning brown. Stop watering. The mix will dry. The leaves will completely brown and fall off. This normally will happen beginning or middle of January. Large specimens in 4 inch pots or larger can simply be left bone dry until new growth is up out of the mix ½ inch or more in Spring. Small plants with small pseudobulbs might benefit being watered once a month or so to prevent excessive shriveling.

Some plants may go dormant as early as late November; some won’t naturally go dormant until early March. It is important to not force dormancy too soon. I have killed a few Lycaste aromatica by forcing dormancy in September. The new pseudobulbs had not matured, the seedlings did not survive. Fall in Wisconsin is not the same time of year as Fall in Costa Rica.

You may encounter the occasional plant that does not seem to want to go dormant. I have an L. cochlearis and an L. deppei var. punctatissimum that seldom drop their leaves. There is variation from individual plant to plant. One of my L. cochlearis drops its leaves on schedule, the other clone hangs on to its leaves. If they seem to keep growing, keep watering them. Let the plant tell you what it wants to do.

If for some reason a deciduous Lycaste drops its leaves in m-summer, likely it got too dry between watering or it has root trouble. Check the plant out, spray for pests if needed, repot and then keep the plant moist. It should start another growth right away. Don’t dry out a deciduous Lycaste in the summer, even if the problem plant has no leaves.

Always begin watering your deciduous Lycaste by the beginning of June. If it hasn’t broken dormancy by then it should. The beginning of Hurricane Season in Florida is the reminder in the news that the rain has returned to the Caribbean. Again as above, the best time to repot is when new growths are 1 to 2 inches tall.

The Sudamerlycaste (formerly Ida, and before Ida, they were called Lycaste) is the third group of Lycaste that are fairly widely grown. They used to be referred to as the Fimbriata section of Lycaste. Botanically, these are somewhat different from Lycaste skinneri. Eric Christiansen moved all the Fimbriata group into Ida, out of Lycaste a couple years ago. Then after discovering a publication that preceded the description of Ida, moved them to Sudamerlycaste in 2008 & 2009. Most vendors still list them as Lycaste. Taxonomy is in flux; names are certain to change in the future.

Horticulturally the Sudamerlycaste are “Evergreen Lycaste”. They have a heavier leaf that seems to last 4 or 5 years instead of just one or two. They definitely want deeper shade than the skinneri type Lycaste. Phalaenopsis bright is adequate to bloom the Sudamerlycaste group well. They do not like it as wet as L. skinneri does in active growth, and they definitely do not want to dry out for any length of time. Dry for a day or two is not a problem. In all other aspects treat these like Lycaste skinneri.

The Sudamerlycaste generally prefer intermediate temps. A few are cool growers, a few are warm growers. Most have green and white flowers, many with strong night time fragrances. Some of them have, to be kind, industrial fragrances; some have very pleasant spice fragrances. This group hybridizes with the Lycaste skinneri group, the hybrids are interesting and becoming somewhat popular.

  • Sudamerlycaste (Lycaste) andreettae (Dodson) 1982 – Ecuador, Colombia
  • Sudamerlycaste (Lycaste) barbifrons (Lindley) 1845 – Peru
  • Sudamerlycaste (Lycaste) barringtoniae (J.E. Smith) Lindley 1793 – Jamaica
  • Sudamerlycaste (Lycaste) barringtoniae var. grandiflora (Hooker) 1868
  • Sudamerlycaste (Lycaste) ciliata (Ruiz & Pavon) Lindley 1798 – Bolivia, Colombia, Ecuador, Peru
  • Sudamerlycaste (Lycaste) ciliata rossyi (Hoehne) Fowlie 1937 – Brazil
  • Sudamerlycaste (Lycaste) cobbiana (Hort. ex Williams/Reichb. f.) 1885 – Bolivia, Ecuador, Peru
  • Sudamerlycaste (Lycaste) costata (Hooker) 1868 – Peru & N. Colombia
  • Sudamerlycaste (Lycaste) denningiana (Reichb. f.) 1876 – Peru, Ecuador
  • Sudamerlycaste (Lycaste) dyeriana (Sander ex Rolfe) 1895 – Peru
  • Sudamerlycaste (Lycaste) fimbriata (Poepp.& Endl.) Cogniaux 1898 – Ecuador, Peru
  • Sudamerlycaste (Lycaste) fimbriata var. peruviana (Rolfe) C. Schweinf. 1944 = Ida (Lycaste) peruviana
  • Sudamerlycaste (Lycaste) fowliei (Oakeley) 1994 (portilliae may be a later synonym) Latin America
  • Sudamerlycaste (Lycaste) fragrans (Oakeley) 1994 – Ecuador
  • Sudamerlycaste (Lycaste) fulvescens (Hooker) 1845 – Colombia
  • Sudamerlycaste (Lycaste) gigantea (Lindley) 1843 – Peru, Ecuador, Colombia
  • Sudamerlycaste (Lycaste) grande (Fowlie ex Oakeley) 1970 – Venezuela, Ecuador, Peru, Colombia
  • Sudamerlycaste (Lycaste) hirtzii (Dodson) 1982 – Ecuador, Colombia
  • Sudamerlycaste (Lycaste) jarae (Bennett & Christenson) 1996 – Peru
  • Sudamerlycaste (Lycaste) lata (non Rolfe) Dodson & Bennett 1989
  • Sudamerlycaste (Lycaste) linguella (Reichb. f.) 1871 – Ecuador
  • Sudamerlycaste (Lycaste) locusta (Reichb. f.) 1879 – Peru
  • Sudamerlycaste (Lycaste) longiscapa (Masters) 1928 – Ecuador, Peru
  • Sudamerlycaste (Lycaste) mathiasae (Kennedy) 1978 – Peru
  • Sudamerlycaste (Lycaste) mezae (Bennett & Oakeley) ? – new species
  • Sudamerlycaste (Lycaste) nana (Oakeley) 1994 – Latin America
  • Sudamerlycaste (Lycaste) peruviana (Rolfe) 1910 – Peru
  • Sudamerlycaste (Lycaste) reichenbachia (Gireoud ex Reichb. f.) 1856 – Peru
  • Sudamerlycaste (Lycaste) trifoliata (Lehmann ex Masters) 1895 – Peru


The genus Anguloa (Ruiz & Pavon) 1794 – these are the tulip orchids. There are ten species that are closely related to Lycaste. Culture for the Anguloa is identical as that for Lycaste skinneri. Anguloa species do like temperatures on the cooler side of intermediate, though they can be grown well in intermediate temperatures. Anguloa are often used in hybrids with Lycaste, creating the hybrid genus Angulocaste. This genus and the wonderful Angulocaste hybrids are worthy of their own lecture, a project the author will take on at a future date.


Lycaste, the Beautiful Sister of Helen of Troy

[Notes by Leo Schordje from his presentation at the June 13, 2010, OSGKC meeting. A video clip of the first portion of this talk is also available.]

Copyright June 8, 2010 by Leo Schordje. This article may be reprinted by not-for-profit orchid clubs in their newsletters if the author’s email address and Web site address are retained on the reproductions. No part may be used by any for-profit organization without written permission from the author: Leo Schordje.

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