How to Grow Aroid
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Aroid
Araceae (family)
flowerAroids are a diverse family of flowering plants characterized by their distinctive inflorescence consisting of a fleshy spike (spadix) surrounded by a colorful bract (spathe). This family includes popular houseplants, tropical plants, and some edible species, ranging from small table plants to large foliage specimens. Many aroids are prized for their ornamental foliage, unusual flowers, and air-purifying qualities.
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Example Aroid timeline · Pittsburgh, PA (Zone 6b)
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Plant Aroid
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 blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Aroid dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10-12 outdoors; most commonly grown as houseplants in cooler zones
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Juvenile/Seedling
6-24 monthsSmall plants with basic leaf shape, often lacking fenestrations or splits characteristic of mature forms
Provide bright, indirect light and maintain humidity. Use well-draining soil and avoid overwatering. Be patient; variegated varieties may take years to show color
Vegetative Growth
1-3 yearsPlant develops multiple leaves and aerial rootlets; leaf size and complexity increase. Mature leaf characteristics begin to emerge
Increase light gradually as plant matures. Provide moss pole or support for climbing species. Fertilize monthly during growing season with balanced, diluted fertilizer
Mature Foliage
IndefinitePlant reaches full-size leaves with characteristic fenestrations, variegation, or texture. Non-flowering plants remain in this stage indefinitely
Maintain consistent warmth (65-80°F), humidity, and bright indirect light. Clean leaves occasionally with soft cloth. Continue regular fertilizing and watering
Pre-flowering
Several weeks before floweringPlant reaches sufficient maturity to initiate flower buds; visible small spathe structures begin forming at leaf axils
Maintain optimal conditions: bright light, stable temperatures, consistent humidity, and monthly fertilizing. Avoid stress from overwatering or sudden temperature changes
Flowering & Fruiting
2-8 weeksSpathe unfurls around spadix with characteristic flower colors (often red, white, pink, or yellow depending on species). Spadix develops small flowers; may produce berries afterward
Flowers are often pollinated by beetles or other insects in nature; hand-pollinate if desired. Provide extra humidity and consistent care. Flowering may last weeks to months
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity, spray with water, use neem oil or insecticidal soap. Isolate affected plants
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Remove with alcohol-soaked cotton swab, spray with neem oil or insecticidal soap, quarantine infested plant
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Scrape off manually, treat with horticultural oil or neem oil, repeat treatments every 7-10 days
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Increase humidity, remove affected leaves, use insecticidal soap or neem oil, quarantine plant
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Improve drainage, reduce watering frequency, repot in fresh soil, remove affected roots
Uses
Air Purification
HouseholdMany aroids including Peace Lily (Spathiphyllum) and Philodendrons are known to remove toxins like formaldehyde and benzene from indoor air, improving air quality in homes and offices. [source]
Edible Aroids
CulinarySome aroids like Taro (Colocasia esculenta), Malanga, and Elephant Ear corms are important food crops in tropical regions, used as starchy staples when properly cooked to neutralize calcium oxalate crystals. [source]
Ornamental Displays
CraftAroids with colorful spathes like Anthuriums and Flamingo Flowers are prized cut flowers and houseplants, valued for their exotic appearance and long-lasting blooms in arrangements and home décor. [source]
Traditional Medicine
MedicinalSeveral aroids including certain Alocasia and Colocasia species have been used in traditional Asian and Indigenous medicine for anti-inflammatory and digestive purposes, though scientific validation is limited. [source]
Pollinator Support
WildlifeAroid flowers attract beetles, ants, and other arthropods in their native tropical habitats, providing important nectar and pollen sources. Growing flowering aroids supports pollinator biodiversity indoors and in warm climates. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Aroids are generally grown for foliage and flowers rather than harvest. Cut flowers (spathes) last several weeks in water. For propagation, take stem cuttings with aerial roots or nodes just after active growing season. Allow cuttings to air-dry slightly before placing in water or moist soil
Fun Facts
- 🌱 Some aroids generate heat through thermogenesis, warming their spathes and spadices to volatilize compounds that attract pollinators—some can reach temperatures 35°F warmer than ambient air
- 🌱 The Titan Arum (Amorphophallus titanum) produces one of the largest flowering structures in the plant kingdom and emits a smell of rotting flesh to attract carrion beetles and flies
- 🌱 Variegated aroids like rare Monsteras and Anthuriums command prices in the thousands of dollars due to their striking patterns, making them among the most coveted houseplants and driving a significant collector market
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