How to Grow Aroid plants
Wikimedia Commons
Aroid plants
Araceae family
flowerAroids are a diverse family of tropical and subtropical plants characterized by their distinctive spadix and spathe flowering structure. They range from small houseplants to large architectural specimens, including popular varieties like Philodendron, Anthurium, Monstera, and Caladium. Most are grown for their ornamental foliage and unique flowers, and many thrive as indoor plants in moderate climates.
When should you plant Aroid plants in your zone?
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Example Aroid plants timeline · Pittsburgh, PA (Zone 6b)
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Plant Aroid plants
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Aroid plants blooms
Around Oct 14≈ 180 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Aroid plants dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives outdoors in zones 10-12; many varieties grow as houseplants in cooler zones
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Propagation/Establishment
2-4 weeksNew plants from cuttings, seeds, or tissue culture with minimal root development and emerging primary leaves
Maintain high humidity (70-80%) around cuttings. Use well-draining propagation medium. Keep consistently moist but not waterlogged. Provide bright, indirect light. Avoid fertilizing until roots establish
Vegetative Growth
3-6 monthsActive leaf production with strong petiole elongation and expanding foliage; plant develops new shoots and root system
Provide bright indirect light for 12-14 hours daily. Maintain humidity 50-70%. Feed monthly with balanced fertilizer (10-10-10 or similar). Support climbing varieties with moss pole or trellis
Maturation
1-3 monthsPlant reaches species-typical size with full leaf fenestration (if applicable) and strong branching structure
Reduce fertilizer frequency to every 6-8 weeks. Prune or train growth as needed. Increase humidity before flowering stage. Maintain consistent temperature 65-80°F
Flowering
2-6 weeksDistinctive spadix (central spike) emerges, often surrounded by a colorful spathe (modified leaf). Flowers can be fragrant or unscented
Maintain high humidity. Do not remove spathe—it protects developing flowers. Increase watering slightly. Pollinate by hand if fruits are desired. Note: some aroids rarely flower indoors
Fruiting/Decline
1-2 monthsSpathe may drop as berries develop; plant may show slower growth after flowering
Reduce watering moderately. Remove spent inflorescences if not harvesting seeds. Resume regular feeding schedule. Allow plant rest period before next growth cycle
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity to 60-80%, mist foliage regularly, spray with neem oil or insecticidal soap every 7-10 days until resolved
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Isolate plant, remove with cotton swab dipped in 70% isopropyl alcohol, spray with insecticidal soap or neem oil
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Prune heavily infested stems, spray with horticultural oil or neem oil, repeat every 7 days
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Repot with fresh well-draining mix, trim blackened roots, reduce watering frequency, improve air circulation
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Increase humidity, isolate plant, spray with neem oil or insecticidal soap every 5-7 days
Uses
Edible Aroids
CulinarySeveral aroid species produce edible starchy tubers or corms, most notably Taro (Colocasia esculenta), which is a staple carbohydrate in tropical regions. Other edible aroids include Elephant Ear and Malanga. [source]
Indoor Air Purification
HouseholdMany aroid houseplants, particularly Philodendrons and Monsteras, help remove toxins like formaldehyde and xylene from indoor air. They are highly valued as low-maintenance air-filtering houseplants. [source]
Traditional Medicine Uses
MedicinalSeveral aroid species have been used in traditional medicine systems, particularly in Asian and African cultures, for treating inflammation and various ailments. However, many are toxic and should only be used under professional guidance. [source]
Decorative Foliage & Arrangements
CraftThe dramatic, often variegated or fenestrated leaves of aroids like Monstera and Caladiums make them popular in interior design, floral arrangements, and botanical displays. Cut stems last 2-3 weeks in water. [source]
Hummingbird & Pollinator Attraction
WildlifeIn tropical climates, aroid flowers attract hummingbirds, bees, and beetles. Many aroids are pollinated by insects attracted to the spathe's texture and warmth-producing spadix. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Most aroids are grown ornamentally rather than harvested. For seed collection, allow berries to fully ripen (color change), then extract and clean seeds. Some aroids (like Taro) can be harvested for tubers after 7-10 months of growth. Cut individual leaves or stems as desired for propagation, cutting just below a node.
Fun Facts
- 🌱 Some aroids, like the Titan Arum (Amorphophallus titanum), produce flowers that reach up to 10 feet tall and emit a putrid smell resembling rotting flesh to attract carrion beetles for pollination
- 🌱 Many aroid plants are toxic and contain calcium oxalate crystals, which can cause irritation if ingested—this is why Dieffenbachia is sometimes called 'Dumb Cane,' as it temporarily renders animals unable to vocalize when eaten
- 🌱 The Monstera deliciosa's characteristic leaf holes (fenestration) are thought to serve multiple purposes: reducing wind damage, allowing light to lower leaves, and possibly confusing insects seeking to lay eggs on leaves
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