The Hoya erythrina is a highly sought-after collector's wax plant distinguished by its elongated, lance-shaped leaves featuring dramatically scalloped edges, prominent dark veining, and heavy silver mottling. When exposed to bright light, the rich green foliage sun-stresses into breathtaking shades of copper and bronze. Upon reaching maturity, this magnificent epiphytic vine rewards growers with clusters of starry, butter-yellow flowers that produce a sweet floral scent.
Plant Details:
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Botanical Name: Hoya erythrina 'Splash'
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Plant Type: Epiphytic Succulent Vine / Collector Houseplant
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Light: Bright, indirect light to gentle morning sun for sun-stressing and splash
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Water: Allow the potting mix to dry out almost completely between waterings
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Growth Habit: Climbing or Trailing Vine
This listing is for the plant only.
Perfect for shelves, desks, and hanging displays.
PlantJoyCo Care Guide
How to Care for Your Hoya erythrina
Plant Overview: A texturally striking, silver-splashed hoya that develops copper-bronze sun-stressing under bright light and thrives with excellent drainage.
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Light: Thrives in high-intensity, filtered indirect light. A few hours of gentle morning direct sunlight intensifies the silver splash patterning and turns the leaf undersides and margins a gorgeous reddish-bronze tone.
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Water: Highly drought-tolerant due to its thick foliage. Allow top 75% to 100% of the airy epiphytic medium to dry out completely before saturating thoroughly. Avoid waterlogging.
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Humidity: Performs best in 50–70% humidity levels, though it adapts well to ambient household environment.
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Temperature: Keep in warm indoor temperatures between 18–28°C. Protect from cold drafts below 15°C.
FAQ
Q1: How do I get my Hoya erythrina Splash to sun-stress and show more silver splash?
A1: To bring out deep bronze sun-stress coloration and maximize the shimmering silver splash density on Hoya erythrina Splash, place it in high-intensity, bright indirect light or provide a few hours of soft morning sunlight. Dedicated full-spectrum LED grow lights positioned 20–30cm above the foliage will also safely trigger red and copper pigments along the wavy margins.
Q2: What is the best potting mix ratio for Hoya erythrina Splash?
A2: Hoya erythrina Splash requires an open, well-aerated epiphytic substrate that mimics its natural tree-dwelling environment. Mix 50% coarse orchid bark, 30% perlite or pumice, and 20% coconut coir or peat chunk. This guarantees rapid drainage, prevents stagnant water retention around the roots, and protects against fungal root rot.
Q3: Should I give my Hoya erythrina Splash a trellis or let it trail in a hanging pot?
A3: While Hoya erythrina Splash looks stunning cascading from a hanging basket, training its vines onto a bamboo trellis or moss pole encourages faster growth. Vertical climbing signals to the plant that it is ascending a host tree in nature, resulting in larger foliage, shorter internodal stem gaps, and earlier peduncle formation for blooming.
Q4: How often does Hoya erythrina Splash bloom and what do the flowers smell like?
A4: Mature Hoya erythrina Splash specimens typically flower during warm spring and summer months when provided with bright light and consistent ambient temperatures above 20°C. The blooms form delicate umbels of bright yellow, star-shaped fuzzy flowers that emit a sweet, light floral fragrance, particularly during the evening hours.
Q5: Why are the lower leaves on my Hoya erythrina Splash turning yellow or falling off?
A5: Lower leaf yellowing in Hoya erythrina Splash is usually caused by overwatering or soil compaction that restricts oxygen to the root zone. Always allow the top 75% to 100% of the potting medium to dry out completely before watering again. If soil moisture is fine, check for cold drafts below 15°C or insufficient light levels.
