How to Grow Stromanthe
iNaturalist
Stromanthe
Stromanthe sanguinea
flowerStromanthe is a tropical foliage houseplant prized for its striking, variegated leaves with deep green tops and vibrant red or pink undersides. It belongs to the Marantaceae family and is known for its dramatic leaf movements that follow daily light cycles. While it produces small white or colorful flowers, the foliage is the main ornamental feature.
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Example Stromanthe timeline · Pittsburgh, PA (Zone 6b)
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Plant Stromanthe
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 Stromanthe blooms
Mid-to-late summerBefore the first fall frost (≈ Nov 8)
Sample dates for Pittsburgh, PA. Sign up to get exact Stromanthe dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives indoors year-round in zones 11-12; grown as a houseplant elsewhere
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Get my Stromanthe timeline →Growth Stages
New Growth/Establishment
4-6 weeksYoung plant adjusting to environment with smaller leaves and compact growth habit
Acclimate gradually to new light conditions. Keep soil consistently moist. Maintain warm temperatures (65-75°F). Avoid fertilizing for first 4-6 weeks.
Vegetative Growth
3-6 monthsPlant develops new leaves regularly; older leaves may show some variegation. Leaf movements become more pronounced.
Feed monthly with diluted balanced fertilizer (10-10-10) during growing season (spring-summer). Rotate plant weekly for even growth. Maintain humidity above 50%.
Mature Foliage
Ongoing maintenance phasePlant reaches full size with fully variegated leaves displaying deep green tops and bright red/pink undersides. Strong nyctinastic leaf movements visible.
Continue monthly feeding in growing season. Prune to maintain shape and remove any leggy growth. Ensure consistent moisture and humidity.
Flowering (Occasional)
Intermittent, 2-4 weeks per flushSmall white, cream, or red flowers may appear on spikes among the foliage, though blooming is rare indoors
Flowers are insignificant compared to foliage; do not require special care. Remove flower spikes if desired to redirect energy to leaf production.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with water to dislodge; apply neem oil or insecticidal soap weekly until resolved. Increase humidity to discourage infestation.
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Remove with alcohol-soaked cotton swab. Spray with neem oil or insecticidal soap every 5-7 days.
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Scrape off manually; treat with horticultural oil or neem oil spray
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Allow soil surface to dry slightly between waterings. Use sticky traps. Apply Bacillus thuringiensis israelensis (BTi) if severe.
Uses
Ornamental Indoor Plant
HouseholdStromanthe is valued as a striking tropical houseplant that adds vibrant color and visual interest to interior spaces. Its dramatic variegated foliage and daily leaf movements make it an engaging decorative element. [source]
Air Purification
HouseholdLike other plants in the Marantaceae family, Stromanthe helps filter indoor air by removing toxins and improving air quality in living spaces. [source]
Humidity Enhancement
HouseholdWhen properly misted and grouped with other plants, Stromanthe contributes to creating more humid indoor environments beneficial for tropical plant collections. [source]
Floral and Foliage Arrangements
CraftThe striking variegated leaves are occasionally used in tropical floral arrangements and plant displays for their visual impact and unique coloration. [source]
Harvest Tips
Not harvested. Prune stems as needed in spring-summer to maintain compact shape and encourage bushier growth. Remove any dead or yellowing leaves at the base. Cuttings can be propagated in water or moist soil.
Fun Facts
- 🌱 Stromanthe leaves exhibit nyctinasty, a circadian rhythm-driven movement where leaves fold up at night and open during the day. This behavior is often accompanied by rustling sounds and squeaking, earning them the nickname 'prayer plants,' similar to their relatives Maranta and Calathea.
- 🌱 The undersides of Stromanthe leaves are often a striking deep red or burgundy color, which serves as a visual defense mechanism to ward off insects by mimicking damage or warning signals in nature.
- 🌱 Stromanthe is native to the Amazon rainforest regions of Brazil, where it grows as an understory plant in highly humid, warm environments with filtered light from the forest canopy.
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