How to Grow Alternanthera Pink Splash

Alternanthera Pink Splash

Alternanthera reineckii 'Pink Splash'

flower

Alternanthera 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.

Growing Conditions

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Sun: Bright, indirect light preferred; tolerates partial shade but colors are more vibrant in bright conditions; protect from harsh afternoon sun in very hot climates

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Water: Keep soil consistently moist but not waterlogged. Water when the top inch of soil feels dry. Reduce watering frequency in winter. Humidity of 50-70% is ideal; mist occasionally.

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Spacing: 8-12 inches

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Days to maturity: 30-45 days to established ornamental growth

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Planting depth: Plant transplants at the same depth as their nursery pot; seeds can be surface-sown under moist conditions

Soil

Type: Well-draining, fertile potting soil or garden soil enriched with organic matter

pH: 6.0-7.0

Amendments:

Compost peat moss or coco coir perlite or sand for drainage

Growing Zones

Find your zone →

Thrives in zones 10-11; can be grown as an annual or houseplant in cooler climates

9b 10a 10b 11a 11b

Growth Stages

Seedling

2-3 weeks

Tiny 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 weeks

Plants 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 weeks

Plant 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 care

Plant 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 months

In 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:

Coleus Caladium Impatiens Begonia Sweet potato vine Persian shield Dusty miller Fittonia

Avoid planting near:

Plants requiring dry conditions Plants preferring deep shade over long periods Tall trees that create dense shade

Common Pests

Increase humidity, mist leaves regularly, spray with neem oil or insecticidal soap; isolate affected plants
Remove with cotton swab dipped in rubbing alcohol; spray with neem oil or insecticidal soap weekly
Remove manually with a brush; spray with horticultural oil or insecticidal soap
Spray with strong water stream; use insecticidal soap or neem oil; encourage natural predators
Use yellow sticky traps; spray with neem oil or insecticidal soap; increase air circulation

Uses

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Container gardening and houseplants

Ornamental

Perfect for colorful container arrangements, tropical planters, and indoor plant collections. Its compact, bushy habit makes it ideal for tabletop displays and mixed containers. [source]

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Garden bed borders and edging

Ornamental

Creates striking color contrast in garden beds and borders. Excellent as edging along pathways or as a focal point in landscape designs. [source]

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Tropical and cottage garden design

Ornamental

Adds vibrant, tropical appeal to gardens, combining well with other foliage and flowering plants. Popular in cottage garden schemes for color and texture. [source]

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Indoor air purification

Household

Like many foliage plants, Alternanthera helps improve indoor air quality by absorbing carbon dioxide and releasing oxygen, contributing to a healthier home environment. [source]

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Floral arrangements and crafts

Craft

Colorful 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.

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