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How to Grow Lycaste macrophylla

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Lycaste macrophylla

Lycaste macrophylla

flower

Lycaste macrophylla is a deciduous orchid species native to Central and South America, prized for its fragrant, large yellow flowers with burgundy markings. It produces solitary blooms on long inflorescences that emerge from the base of mature pseudobulbs. This epiphytic orchid is popular among collectors for its relatively easy care requirements and reliable flowering.

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Example Lycaste macrophylla timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Lycaste macrophylla

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Lycaste macrophylla blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Lycaste macrophylla dates for your own zip code.

Growing Conditions

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Sun: Bright, indirect light; 2,000-3,000 foot-candles. Avoid direct afternoon sun which can scorch leaves. A north or east-facing window or shaded greenhouse is ideal.
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Water: Water thoroughly during active growth (spring and summer) when the medium approaches dryness, approximately every 5-7 days. Reduce watering significantly in winter during dormancy, watering only sparingly every 2-3 weeks. Ensure excellent drainage to prevent root rot. Mist foliage regularly to maintain humidity (50-70%).
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Spacing: 8-12 inches
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Days to maturity: Variable; plants typically reach flowering maturity in 3-4 years from propagation
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Planting depth: Repot shallow in wide pots; the rhizome should sit at soil surface level, not buried

Soil

Type: Coarse orchid bark mix, with added sphagnum moss and perlite for moisture retention
pH: 5.5-6.5
Amendments:
Orchid bark (medium grade) Sphagnum moss Perlite or pumice for drainage Charcoal to prevent rot

Growing Zones

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Thrives in warm, humid tropical to subtropical zones (10-11). Can be grown indoors or in greenhouses in cooler climates.

10 11

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Growth Stages

1

New Growth/Vegetative

3-4 months

Emerging shoots from the base of pseudobulbs, developing new leaves that are large and lanceolate, often reaching 12-18 inches in length

Maintain warm temperatures (65-75°F), high humidity, and consistent moisture. Support new growth with bright indirect light. Begin regular fertilizing at half-strength every 2 weeks.

2

Mature Growth

2-3 months

Fully formed pseudobulbs with 2-4 large, strap-like leaves; plant appears robust and established. Pseudobulbs may be 3-5 inches tall.

Continue regular watering and feeding. Ensure good air circulation to prevent fungal issues. Maintain humidity above 50%. Monitor for pests.

3

Dormancy

2-3 months

Plant deciduously sheds leaves after pseudobulbs mature, entering a rest period with bare pseudobulbs remaining visible

Dramatically reduce watering—water only when pseudobulbs begin to shrivel slightly, approximately every 2-3 weeks. Lower temperatures to 55-65°F at night to trigger flowering. Withhold fertilizer entirely during this phase.

4

Flowering

6-8 weeks

Inflorescences emerge from the base of resting pseudobulbs, producing large, fragrant yellow flowers with burgundy-brown markings and broad petals

Maintain cool nights (55-60°F) and dry conditions; increase watering only if pseudobulbs begin to severely shrivel. Do not disturb plants. Flowers are long-lasting, often blooming for 4-6 weeks.

5

Post-Bloom/New Cycle

2-3 weeks transition

Flowers fade and drop; new growth begins to emerge from the base of pseudobulbs, signaling the start of a new growth cycle

Gradually increase watering and resume regular fertilizing at half-strength. Raise temperatures to warm growing conditions (70-80°F during day). Repot if needed before new roots emerge.

Companion Planting

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Plant with:

Other Lycaste species Cattleya orchids Brassia orchids Paphiopedilum orchids Moss poles or mounting materials for epiphytic growth

Avoid planting near:

Plants requiring consistently wet conditions Orchids with different watering schedules (e.g., phalaenopsis requiring constant moisture) Plants sensitive to dormancy periods

Common Pests

  • Spray with insecticidal soap or neem oil; isolate infested plant. Use alcohol-soaked cotton swabs for small infestations. Repeat treatments every 7-10 days.

  • Increase humidity to 60%+. Spray with water to dislodge. Use miticide or neem oil if infestation persists. Ensure good air circulation.

  • Remove manually with a soft brush or alcohol-soaked cotton swab. Apply horticultural oil or insecticidal soap. Inspect undersides of leaves regularly.

  • and

    Improve air circulation and reduce leaf wetness. Remove affected foliage. Apply fungicide if severe. Repot in fresh bark mix if roots are mushy. Allow roots to dry between waterings.

Uses

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Edible flowers for garnish

Culinary

The large, showy flowers can be used to garnish desserts and special occasion dishes, adding visual elegance to culinary presentations. [source]

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Ornamental houseplant and cut flowers

Household

Lycaste macrophylla is prized as an indoor orchid, producing long-lasting, fragrant blooms ideal for home decoration and floral arrangements. The flowers remain attractive for extended periods. [source]

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Traditional medicinal uses

Medicinal

In some Latin American cultures, Lycaste species have been used in traditional medicine preparations, though scientific validation is limited. The plant is primarily valued ornamentally in modern contexts. [source]

🎨

Flower pressing and botanical art

Craft

The large, flat flowers are well-suited to flower pressing and botanical illustration projects, preserving their structure and beauty in dried form. [source]

🦋

Pollinator attraction in tropical gardens

Wildlife

In native habitats, these fragrant orchids attract specialized bee pollinators. Growing them supports orchid pollinator ecosystems, particularly in tropical or greenhouse environments. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Lycaste macrophylla is grown for ornamental flowers, not harvest. Cut flowers last 4-6 weeks on the plant and 2-3 weeks in a vase with clean water. Cut flower spikes at the base with sterile pruners once blooms fade. Do not remove pseudobulbs, as they store energy for future blooms.

Fun Facts

  • 🌱 Lycaste macrophylla is deciduous and naturally sheds its leaves during dormancy, an unusual characteristic among tropical orchids that helps the plant conserve energy and triggers reliable flowering.
  • 🌱 The flowers emit a sweet, pleasant fragrance that is particularly strong in the morning, attracting specific bee pollinators in their native Central and South American cloud forest habitats.
  • 🌱 This species can live 20-30+ years in cultivation with proper care, making it a long-term investment for orchid collectors and a reliable rewarding houseplant.

Gardening Terms

New to gardening? Learn about terms used in this guide:

pH
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