How to Grow White Spathoglottis

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White Spathoglottis

Spathoglottis plicata var. alba

flower

Spathoglottis plicata var. alba is a stunning terrestrial orchid characterized by pristine white flowers with delicate yellow markings on the lip. This tropical orchid variety produces tall, slender spikes of blooms that emerge from broad, pleated green foliage. It is a vigorous grower favored by orchid enthusiasts for its reliability and prolific flowering habit.

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Example White Spathoglottis timeline · Pittsburgh, PA (Zone 6b)

  1. Plant White Spathoglottis

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First White Spathoglottis blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

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

Growing Conditions

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Sun: Bright, indirect light; 12,000-20,000 lux. Tolerates 3-4 hours of filtered morning sun. Avoid harsh afternoon direct sun that may scorch foliage.
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Water: Keep consistently moist but not waterlogged during growing season (spring-summer). Water when top 1 inch of medium feels dry. Reduce watering in winter dormancy period but do not allow to dry completely. High humidity (60-75%) is essential; mist regularly or use humidity trays.
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Spacing: 12-18 inches between plants to allow air circulation inches
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Days to maturity: 18-24 months from seedling to first flowering
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Planting depth: Plant base of pseudobulb at soil line; do not bury crown. Plant in container with drainage holes.

Soil

Type: Coarse orchid bark mix (fine to medium grade)
pH: 5.5-6.5
Amendments:
Sphagnum moss (20-30% of mix) Perlite or pumice (10-15%) Charcoal pieces (to prevent rot) Decomposed tree fern (optional)

Growing Zones

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Thrives in zones 10b-12, with zone 10a possible with protection. Best in warm, humid tropical and subtropical climates.

10b 11a 11b 12a 12b

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Growth Stages

1

Establishment

2-3 months

Young plant develops root system and 2-3 leaves. Pseudobulbs are small and firm.

Maintain high humidity and consistent moisture. Keep in bright indirect light. Fertilize weakly (quarter strength). Ensure excellent drainage to prevent root rot.

2

Vegetative Growth

4-8 months

Plant produces multiple new shoots and pleated leaves. Pseudobulbs enlarge. Roots become robust and fill the pot.

Provide balanced fertilizer (NPK 10-10-10) every 2 weeks during growing season. Maintain warm temperatures (65-75°F nights, 75-85°F days). Increase water frequency as foliage expands.

3

Flowering Spike Initiation

3-4 weeks

Inflorescence spikes begin to emerge from base of pseudobulbs. Multiple spikes may develop simultaneously.

Provide slight temperature drop (5-10°F cooler nights) to encourage spike formation. Switch to higher phosphorus fertilizer (e.g., 6-30-30 orchid formula). Maintain consistent moisture and humidity.

4

Flowering

6-10 weeks per spike (staggered blooming)

Pure white flowers with yellow center markings open sequentially along spikes. Multiple spikes produce dozens of blooms. Flowers are long-lasting (2-4 weeks per flower).

Maintain high humidity and warm conditions. Do not move plant or expose to temperature fluctuations. Continue balanced fertilization at half strength. Provide staking support if spikes become heavy.

5

Post-Flowering Rest

2-3 months

Flowers fade and drop. Spikes may dry or be pruned. Plant enters dormancy period with reduced growth.

Remove old spikes just above base. Reduce watering and fertilization significantly. Keep temperatures slightly cooler (60-65°F nights). Maintain adequate light and air circulation. This rest period triggers next bloom cycle.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Plants requiring very dry conditions Plants sensitive to high humidity Cold-hardy plants requiring winter dormancy in temperate zones

Common Pests

  • Increase humidity, spray with water to dislodge mites, use horticultural oil or neem oil if infestation is severe. Improve air circulation.

  • Remove with cotton swab dipped in isopropyl alcohol, spray with neem oil, or use systemic insecticide labeled for orchids. Isolate affected plants.

  • Hand-remove visible scales, spray with horticultural oil, use insecticidal soap, or apply systemic insecticide. Treat every 7-14 days as needed.

  • Remove affected leaves, improve air circulation, reduce leaf wetness at night, apply copper fungicide or sulfur-based fungicide. Avoid overhead watering.

  • Repot into fresh medium immediately, trim blackened roots with sterile tools, use well-draining bark mix, reduce watering frequency, apply fungicide to fresh medium if necessary.

Uses

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Ornamental Houseplant

Household

A prized tropical orchid grown for its exquisite white flowers and attractive foliage. Perfect for brightening indoor spaces, greenhouses, and tropical gardens with consistent, reliable blooming. [source]

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Cut Flower Arrangements

Craft

The long-lasting white flower spikes are ideal for elegant floral designs, wedding bouquets, and premium cut flower displays. Individual flowers remain open for weeks, providing extended ornamental value. [source]

🦋

Pollinator-Friendly Plant

Wildlife

In tropical regions, Spathoglottis flowers attract pollinators including specific bee species. Growing orchids supports pollinator populations in gardens and greenhouses. [source]

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Traditional Herbal Use

Medicinal

Some Spathoglottis species have been used in traditional Southeast Asian medicine for various purposes, though scientific evidence is limited. Used in herbal formulations in some cultures. [source]

🏠

Tropical Garden Focal Point

Household

Creates dramatic visual interest in tropical landscapes, conservatories, and warm climate gardens. Massed plantings or specimen plants provide month-long blooming displays. [source]

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

Harvest Tips

This orchid is not harvested in the traditional sense but rather enjoyed as a long-lasting ornamental flower. Cut spikes can be removed once flowers fade completely. Individual flowers are very long-lasting on the plant (2-4 weeks each) and are also suitable for cut flower arrangements—cut spikes when 2-3 lower flowers are open, place in clean water with floral preservative, and change water every 2-3 days.

Fun Facts

  • 🌱 Spathoglottis plicata is native to Southeast Asia and has naturalized in many tropical regions worldwide, including Hawaii, where it is now considered invasive in some areas due to its vigorous growth and prolific seed production.
  • 🌱 The white var. alba is a naturally occurring color mutation of the species, which typically produces pink to purple flowers. The pure white flowers are highly prized by orchid collectors for their elegance and relative rarity.
  • 🌱 Unlike many tropical orchids, Spathoglottis plicata is a terrestrial orchid (ground-dwelling) rather than epiphytic (tree-dwelling), making it more adaptable to container growing and garden beds with appropriate soil amendments.

Gardening Terms

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

pH

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