Orchids 101: Cymbidiums—Indoor/Outdoor Beauty

Cymbidiums thrive in gardens/patios and homes, producing 3–4 ft sprays of up to 30 flowers on multiple stems winter through spring. Out of bloom, arching leaves add garden texture.

Warm-winter climates: "outdoor" orchids surviving to 28°F (-2°C). Harsh winters: summer outdoors, overwinter indoors enjoying blooms. Miniature/dwarf varieties available—often do better indoors year-round; check their needs.

The New York Botanical Garden

LANZSCAPES: Grow in ground or pots (most prefer pots for flexibility—move to prominent spot when flowering, less noticeable as foliage, indoors when cold threatens).

KDL Architects: Bright indirect light best. Leaves indicate light: yellowish-green = thriving; darker/bluish = needs more. Ideal: afternoon shade or mottled light.

Night temps crucial. Handle heat with shade, extra water/humidity. But need lower autumn/winter nights to bloom. Prudent to bring inside if threatening below 35°F (2°C).

Ample air circulation. Outdoors usually fine; indoors may need fan when windows closed.

Studio Marcelo Brito: Regular watering spring–fall (weekly typical; adjust for heat/humidity). Medium shouldn't dry out—check 1 inch down. Water thoroughly with tepid water morning, drain completely. Cut back winter.

Fertilize: ¼-strength liquid orchid fertilizer at each watering Jan–June; then ¼-strength every other week through Dec.

Repot only when roots very crowded; go slightly larger. Orchid potting mediums best. Large plants + terra-cotta/ceramic = heavy; consider plastic pots, disguise with cachepot. Repot after bloom, water lightly until new growth, then resume care.

Remove brown flower spikes after bloom. Starting ~Nov, place in 45–60°F (7–16°C) nights. Sufficient fall night lows + no frost damage = winter rebloom.

Tip: Stake new flower spike for straight growth.

More: Orchids 101: Get Started Growing Orchids at Home, More guides to growing houseplants