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Ly."st"s are in varying degrees, from the strongly deciduous, yellow-flowered species llke Lycaste aromotica that from leafless pseudobulbs to the evergreen types like with pseudobulbs that retain their at flowering. This produces large, long-lasting, showy, triangular flowers that are waxy. The are distinctive for their roundish pseudobulbs and broad, plicate (pleated) leaves. Culture for the hybrid genus Angulocaste (Lycaste x ) follows the culture for the Lycaste parent.

LIGHT requirements vary. Deciduous Recommended during active growth Species require light conditions as for (usually summerJ. Some growgrs spread Cattleyas - 2,000 to 4,000 foot-candles or blooir meal on the top of potting medium 50 to 70 percent shade. More light is as new pseudobulbs form, though in usually provided as new growths form inexperienced hands this can be pseudobulbs. Evergreen species grow best to the . In autumn or as growths with less light - 1,500 to 2,000 foot-candles mature and pseudobulbs are produce or 60 to 80 percent shade. fertilizer is reduced or switched to a high-phosphorus fsuch as 10-30-20) TEMPERATURES for the evergreen formulation to stimulate species should be fairly constant and never production. hot. Nights of50eFand days of70o to BOsF are desirable. The deciduous species of POTTING is best when new growth lycaste can tolerate a wider ranger, up to starts, usually in the spring. A fine-grade 95qF during the day and down to 50aF at potting medium is often used; fir bard and Night when dormant in winter. perlite (3:1) is a common, fast-draining mix. When repotting, split plants into no WATER should be applied freely during less than two pseudobulbs per pot and Active growth (usually summerJ. The choose a contain to allow for two years of potting medium should begin to dry out growth. The plant should be positioned between waterings. Deciduous species in the vessel so that the newest growths should be kept almost completely dry when are farthest away from the edge ofthe pot, leafless; evergreen species should be kept allowing the maximum number of new only slightly drier than normal after growths without crowding the pot. Spread pseudobulbs form. Water should be kept the roots over a cone of potting medium offthe leaves and especially out ofthe new and fill in around the roots and the growths to prevent rot or spotting, pseudobulbs. Push the medium firmly ,oE which disfigure otherwise handsome around the roots. Keep humidity high I o plants. and the potting medium on the dry side The American Orchid Society is the world's .!9 until new roots form. leading provider of information about and related to orchids. We invite you to join us c HUMIDITY should be maintained at 40 to and learn about the world's most 70 percent. Deciduous species need less c fascinating flowers and plants. Your E o humidity when dormant. Brisk air membership you monthly o entitles to our ! circulation will help prevent damage to award-winning magazine, Orchids, l0 o leaves by leafspot fungi. percent discount on items purchased at the American Orchid Society AOS online store, free and discounted more botanical - FERTILIZE regularly and heavily when At Fairchild Tropical Botanic Garden admission to than 200 g plants are actively growing. A higher 10901 Old Cutler Road, Coral Cables, FL 331 56 gardens and arboreta and exclusive o www.aos.oro members only online content. nitrogen formulation fsuch as 30-10-10J is

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