Cattleya orchid

(Cattleya hybrid)

Contact: Diane Relf, Extension Specialist, Environmental Horticulture

August 1996

DESCRIPTION:

The stout, thick, strap shaped, green leaves have enlarged bases called pseudobulbs and are not ornamental. 2-5 large flowers per stem with large petals and sepals opened flat and one petal curving to form cuplike column and lip at bottom of the flower.

FLOWER COLORS:

White, Pink, Purple, Yellow

AFTER FLOWERING:

6 week dormant period , water to prevent drying of pseudobulbs.

AVAILABLE:

December to February

CONTAINER:

Small container

LIGHT:

Low, medium, or high. Tolerates most light levels well.

WATER:

Normal to frequent. Water thoroughly, keep soil moist. Can let soil dry to the touch to a soil depth of 1/2".

TEMPERATURE:

Medium. 61 - 70 (degrees F) days, 56 - 65 nights.

HUMIDITY:

Average

FERTILIZER:

Every 2 - 3 weeks during growth period.

SOIL MIX:

Fir tree bark or Osmunda fiber in glazed or plastic pots.

PROPOGATION:

Cut rhizomes in half

SELECTION GUIDE:

Select sturdy, shapely plant with healthy foliage and bright, clear colored flowers. New flower buds are desirable. Check leaf axils for insects. Avoid plants with disease or insect damage.

CARE:

Challenging. Difficult to grow under average home conditions. Hobby plant requiring knowledge and experience.

OTHER CULTIVARS:

Numerous other species

PROBLEMS:

Mealybugs: Wash with soapy water or wipe off with alcohol using cotton swab.
Scale insects: Scrape/wipe off with cloth & isolate. If severe, discard plant.
Purple ring spots (virus): No control. Do not take cuttings from infected plant.
Line patterns on leaves: No control for virus. Do not take cuttings from infected plant.

COMMENTS:

Known as the corsage orchid (cut flower). Plants not particularly attractive, but the flowers compensate. Hobby greenhouse plant. Tolerant to wide variety of cultural conditions.

This material was developed by Carol Ness as part of the Interactive Design and Development Project funded by the Kellogg Foundation. Mary Miller, Project Director. Diane Relf, Content Specialist, Horticulture. Copyright 1989 by VCE.

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