How to Grow Large-leaved Acalypha
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Large-leaved Acalypha
Acalypha macrophylla
shrubAcalypha macrophylla is a tropical ornamental shrub prized for its large, heart-shaped, velvety foliage with distinctive red or burgundy coloring and prominent veining. It produces small, delicate red catkin-like flower spikes that add textural interest. This heat-loving plant is popular in warm climates and as a container specimen in cooler regions.
When should you plant Large-leaved Acalypha in your zone?
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Example Large-leaved Acalypha timeline · Pittsburgh, PA (Zone 6b)
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Plant Large-leaved Acalypha
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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Harvest Large-leaved Acalypha
Late summer into fallBefore the first fall frost (≈ Nov 8)
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Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10-11; can be grown in zone 9b with winter protection
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Get my Large-leaved Acalypha timeline →Growth Stages
Establishment
2-4 weeksYoung plant establishing root system with small leaves developing
Keep soil consistently moist; provide bright, indirect light; avoid transplanting stress. Maintain warm temperatures (70-80°F).
Vegetative Growth
3-6 monthsRapid leaf production; plant develops bushy habit with increasingly large, deeply colored leaves
Pinch growing tips to encourage branching; fertilize biweekly with balanced, liquid fertilizer; maintain consistent moisture and warmth; increase humidity by misting or grouping plants
Flowering
2-3 months (can bloom intermittently year-round in tropical climates)Small red, fuzzy catkin-like flower spikes emerge from leaf axils
Continue regular fertilizing; deadhead spent flowers to encourage more blooms; maintain warm temperatures and humidity; provide consistent watering
Mature Foliage
Ongoing with proper maintenancePlant reaches full ornamental potential with large, velvety leaves displaying rich coloration and prominent veining
Prune to maintain shape and remove leggy growth; fertilize monthly during growing season; ensure adequate light to maintain leaf color intensity; continued humidity management
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity; spray with water to dislodge; use insecticidal soap or neem oil if severe
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Remove with cotton swab dipped in rubbing alcohol; spray with neem oil or insecticidal soap
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Use yellow sticky traps; spray with insecticidal soap or horticultural oil
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Remove manually or treat with horticultural oil spray
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Spray with strong water stream; use insecticidal soap or neem oil
Uses
Ornamental Foliage Display
HouseholdAcalypha macrophylla's large, velvety, deeply colored leaves with prominent veining make it an exceptional indoor or outdoor decorative plant. It adds tropical elegance to gardens, patios, and interiors. [source]
Fresh Floral Arrangements
HouseholdThe distinctive red catkin-like flower spikes can be cut and used in fresh floral designs, providing unique texture and color that lasts up to two weeks in water. [source]
Tropical Container Gardening
HouseholdExcellent specimen plant for container cultivation, particularly in cooler climates where it can be grown indoors or moved to sheltered locations during winter months. [source]
Pollinator Attraction
WildlifeThe catkin-like flowers attract hummingbirds and other pollinators, making it valuable for tropical and subtropical gardens designed to support wildlife. [source]
Traditional Medicine Uses
MedicinalIn tropical regions, various Acalypha species have been used in traditional medicine for anti-inflammatory and diuretic properties, though scientific validation is limited. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Not harvested for food or typical cutting. Prune stems throughout the growing season to shape the plant and encourage bushiness. The foliage can be enjoyed as cut stems in arrangements and will last 1-2 weeks in water.
Fun Facts
- 🌱 The genus Acalypha is native to tropical regions of Africa, Asia, and the Americas, with over 400 species exhibiting remarkable diversity in form and color.
- 🌱 The velvety texture of Acalypha macrophylla's leaves results from tiny hair-like structures (trichomes) that help reduce water loss in humid tropical environments while enhancing visual appeal.
- 🌱 Some Acalypha species are called 'Copperleaf' or 'Chenille Plant' due to their distinctive red catkin-like inflorescences that resemble soft chenille yarn.
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