Wilsonara, abbreviated as Wils. in the horticultural trade, is the nothogenus for intergeneric hybrids between the three orchid genera Cochlioda, Odontoglossum and Oncidium (Cda. x Odm. x Onc.).
Grow plants in cool to intermediate temperatures in partial shade, if possibly with high humidity. Water plant when mix drys, but do not allow to dry out completely. Plant will flower when the new bulbs have formed. After flowering, give plants a slight dryout between watering for 2 - 4 weeks, and increase watering once the new growth starts. Water approximately once a week. Pot with medium fir bark.