How to Grow Anthurium 'Piermount'

Wikimedia Commons

Anthurium 'Piermount'

Anthurium andreanum 'Piermount'

flower

Anthurium 'Piermount' is a tropical hybrid cultivar prized for its striking deep red, heart-shaped spathes (modified leaves) and distinctive textured spadix. This compact, ornamental houseplant produces long-lasting flowers year-round in proper conditions. It is an epiphytic aroid that thrives in warm, humid environments with bright, indirect light.

When should you plant Anthurium 'Piermount' in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Anthurium 'Piermount' timeline →

Example Anthurium 'Piermount' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Anthurium 'Piermount'

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Anthurium 'Piermount' blooms

    Mid-to-late summer

    Before the first fall frost (≈ Nov 8)

Sample dates for Pittsburgh, PA. Sign up to get exact Anthurium 'Piermount' dates for your own zip code.

Growing Conditions

☀️
Sun: Bright, indirect light; 10,000-20,000 lux; avoid direct sun which can scorch leaves and fade spathes
💧
Water: Keep soil consistently moist but not waterlogged; allow top inch to dry between waterings; reduce watering in winter; use distilled or rainwater if tap water is high in chlorine or fluoride
📏
Spacing: 12-18 inches from other plants inches
📅
Days to maturity: Not applicable; begins flowering at 6-9 months as a mature plant
🌱
Planting depth: Plant at same depth as nursery pot; crown should be above soil level

Soil

Type: Well-draining, moisture-retentive orchid mix or aroid-specific substrate with perlite and bark
pH: 6.0-6.5
Amendments:
Orchid bark Perlite Coconut coir Sphagnum moss Charcoal

Growing Zones

Find your zone →

Zones 10b-11; primarily grown as an indoor houseplant in cooler climates

10b 11

Sign up free to see if Anthurium 'Piermount' grows in your zone — and get a personalized planting timeline.

Get my Anthurium 'Piermount' timeline →

Growth Stages

1

Establishment

2-4 weeks

Young plant acclimating to home conditions with baseline foliage development

Maintain consistent warmth (70-80°F), humidity (60-80%), and bright indirect light; avoid fertilizing for 2-3 weeks after purchase

2

Vegetative Growth

Ongoing between flowering cycles

Plant produces new leaves and stems; foliage is glossy green

Support with moss pole or stake; mist regularly to maintain humidity; fertilize bi-weekly with balanced liquid fertilizer diluted to half strength

3

Bud Development

2-3 weeks

Flower spathes begin forming; initially appear as small curved spathe buds

Ensure consistent warm temperatures and humidity; provide bright indirect light to develop rich color; avoid moving plant to prevent bud drop

4

Flowering

4-8 weeks per flower

Mature deep red heart-shaped spathes with prominent textured spadix; flowers are fully open and colorful

Maintain high humidity and stable temperatures; continue regular watering; provide bright light; avoid touching spathes to prevent browning

5

Post-Flower Maintenance

Ongoing

Spent flowers fade and can be removed; plant continues producing new growth cycles

Deadhead faded spathes by cutting at base of petiole; ensure adequate rest periods between flowering cycles

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Cold-draft sources Direct heating vents Dry-air environments Plants requiring low humidity

Common Pests

  • Spray with insecticidal soap or neem oil every 7-10 days; remove visible pests with alcohol-dampened cotton swab; quarantine infected plant

  • Increase humidity significantly; spray leaves with water; apply miticide or neem oil; repeat every 5-7 days as needed

  • Remove manually with knife or old credit card; treat with horticultural oil or insecticidal soap; monitor for 4-6 weeks

  • Isolate plant; spray with insecticidal soap or spinosad weekly for 3-4 weeks

  • Repot in fresh, well-draining substrate; trim blackened roots; reduce watering frequency; improve air circulation

Uses

🍳

Not for consumption

Culinary

All parts of Anthurium 'Piermount' are toxic to humans and pets; contains calcium oxalate crystals that cause oral irritation, burning, and difficulty swallowing if ingested. Avoid contact with eyes and mucous membranes. [source]

🏠

Air purification & ornament

Household

Anthurium 'Piermount' is valued as a tropical houseplant that adds vibrant color to interior spaces and may help filter indoor air pollutants. Its year-round flowering and compact growth make it ideal for tabletops, shelves, and living spaces. [source]

🎨

Cut flower arrangements

Craft

The long-lasting deep red spathes and distinctive textured spadix are prized by florists and home arrangers for tropical-themed floral designs, bouquets, and display arrangements. Cut flowers remain vibrant for weeks. [source]

🦋

Tropical habitat aesthetics

Wildlife

Anthurium 'Piermount' creates humid tropical microhabitats indoors that support beneficial humidity-loving organisms and provides visual biodiversity in plant collections. [source]

💊

Not for herbal use

Medicinal

Anthurium species have no established safe medicinal uses in herbal medicine. Traditional uses in some cultures are not scientifically validated and the plant's toxicity makes it unsuitable for any internal or external therapeutic application. [source]

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

Harvest Tips

Cut flower stems at the base with clean, sharp shears when spathe is fully colored and rigid; flowers last 4-8 weeks on the plant or 2-4 weeks in a vase with fresh water changed every 3-4 days; peak flowering occurs under optimal light and humidity conditions

Fun Facts

  • 🌱 Anthurium 'Piermount' flowers can bloom year-round indoors when conditions are optimal, producing up to 3-5 new flowers per month on a mature plant.
  • 🌱 The 'Piermount' cultivar is a hybrid selection bred for compact growth and deeper red coloring compared to standard Anthurium andreanum, making it ideal for container gardening.
  • 🌱 The bright red spathe is not the flower itself—it is a modified leaf (bract) that surrounds the true flowers, which are tiny and located on the finger-like spadix in the center.

Gardening Terms

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

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Anthurium 'Piermount' planting timeline

Tell us your zip code and we'll calculate exactly when to start Anthurium 'Piermount' seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Anthurium 'Piermount' timeline →