How to Grow Alternanthera Pink Splash
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Alternanthera Pink Splash
Alternanthera reineckii 'Pink Splash'
flowerAlternanthera Pink Splash is a tropical ornamental foliage plant prized for its striking pink, red, and white variegated leaves. It is compact and bushy, making it ideal for containers, borders, and indoor displays. This cultivar is a showstopper in garden beds and houseplant collections due to its vibrant, multi-colored foliage.
When should you plant Alternanthera Pink Splash in your zone?
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Example Alternanthera Pink Splash timeline · Pittsburgh, PA (Zone 6b)
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Plant Alternanthera Pink Splash
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 Alternanthera Pink Splash blooms
Around May 17≈ 30 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Alternanthera Pink Splash dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Thrives in zones 10-11; can be grown as an annual or houseplant in cooler climates
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Seedling
2-3 weeksTiny green or pink-tinged leaves emerge on delicate stems. Plants are fragile and require high humidity.
Maintain consistent moisture and bright, indirect light. Provide bottom heat (70-75°F) for germination. Cover with plastic dome to maintain humidity.
Juvenile
3-4 weeksPlants develop multiple stems and leaves with increasing pink and white variegation. Growth is rapid once established.
Begin light fertilizing with balanced fertilizer. Pinch back growing tips to encourage bushiness. Maintain warm temperatures (65-75°F minimum).
Vegetative/Growth
Ongoing, 4-8 weeksPlant becomes full and bushy with abundant colorful foliage. Pink, red, and white variegation becomes more pronounced.
Feed every 2 weeks with balanced liquid fertilizer. Prune regularly to maintain shape and encourage dense growth. Ensure bright light for optimal color intensity.
Mature Ornamental
Continuous with proper carePlant reaches full size and density with vibrant, fully-developed variegated foliage throughout.
Maintain regular watering and feeding schedule. Prune to desired shape. Monitor for pests. Can flower with small white or pale flowers, though foliage is the main attraction.
Seasonal Adjustment
Seasonal, 3-4 monthsIn winter or low-light conditions, coloration may fade and growth slows.
Reduce watering and fertilizing frequency. Increase light exposure if possible, or use grow lights. Maintain minimum temperatures above 50°F.
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity, mist leaves regularly, spray with neem oil or insecticidal soap; isolate affected plants
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Remove with cotton swab dipped in rubbing alcohol; spray with neem oil or insecticidal soap weekly
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Remove manually with a brush; spray with horticultural oil or insecticidal soap
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Spray with strong water stream; use insecticidal soap or neem oil; encourage natural predators
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Use yellow sticky traps; spray with neem oil or insecticidal soap; increase air circulation
Uses
Container gardening and houseplants
OrnamentalPerfect for colorful container arrangements, tropical planters, and indoor plant collections. Its compact, bushy habit makes it ideal for tabletop displays and mixed containers. [source]
Garden bed borders and edging
OrnamentalCreates striking color contrast in garden beds and borders. Excellent as edging along pathways or as a focal point in landscape designs. [source]
Tropical and cottage garden design
OrnamentalAdds vibrant, tropical appeal to gardens, combining well with other foliage and flowering plants. Popular in cottage garden schemes for color and texture. [source]
Indoor air purification
HouseholdLike many foliage plants, Alternanthera helps improve indoor air quality by absorbing carbon dioxide and releasing oxygen, contributing to a healthier home environment. [source]
Floral arrangements and crafts
CraftColorful leaves can be used in fresh or dried floral arrangements, terrarium designs, and decorative craft projects. [source]
Harvest Tips
Alternanthera Pink Splash is grown for foliage, not harvest. Pinch back stems regularly (every 2-4 weeks) to encourage bushiness and maintain desired shape. Remove any stems that revert to solid green coloring to maintain variegation. In late summer, take cuttings to propagate for next season or to overwinter indoors.
Fun Facts
- 🌱 Alternanthera Pink Splash is a cultivar bred specifically for its variegated foliage; the pink and white patterns are the result of selective breeding and are more pronounced under bright light conditions.
- 🌱 This plant is part of the Amaranthaceae family, which also includes common vegetables like spinach and quinoa, though this ornamental variety is grown purely for its striking appearance.
- 🌱 Alternanthera can be propagated extremely easily from cuttings placed in water; new roots develop within 1-2 weeks, making it an excellent plant for sharing with fellow gardeners.
Gardening Terms
New to gardening? Learn about terms used in this guide:
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