Pink Silver
Hoya pubicalyx
Updated Aug 21, 2026
Pink Silver (Hoya pubicalyx), also known as Wax Plant and Porcelain Flower, is a tough twining houseplant with silver-splashed leaves that grows best in bright filtered light and a chunky, well-draining mix.
About Pink Silver
Pink Silver is a twining indoor vine grown for its glossy leaves marked with silver splashes and its strong, sculptural habit on a trellis or in a hanging pot. It keeps a cleaner, denser look in brighter light and becomes more relaxed and stretched in dimmer conditions.
Mature plants can also produce clusters of waxy, star-shaped flowers that are often sweetly fragrant. The plant is especially valued because it combines attractive foliage with the potential for repeat blooming under steady indoor care.
Pink Silver performs best when the routine stays simple and consistent: bright filtered light, a breathable chunky mix, a slightly snug pot, and a watering rhythm that allows partial drying between soakings. It usually tolerates slight dryness better than constantly wet soil.
How to Care for Pink Silver
Watering
Let the potting mix dry partially between waterings, then water thoroughly until excess runs out. Pink Silver does best with a soak-and-dry rhythm rather than constant dampness.
In brighter light and active growth, Pink Silver usually needs water more often. In winter or lower light, let the mix dry more deeply before watering again. If leaves start to yellow and soften while the soil stays wet, treat it first as an overwatering or drainage problem.
Sunlight
Provide bright, indirect light for the best growth and strongest chance of blooming. A bright window with filtered light is usually ideal, and some gentle morning sun is often tolerated well.
If Pink Silver stretches and develops wide gaps between leaves, increase brightness gradually. If the leaves look bleached, scorched, or crisped, move Pink Silver slightly back from direct harsh sun.
Temperature
Keep Pink Silver warm and stable. It grows best in normal indoor warmth and should be protected from prolonged chills and cold drafts.
Temperatures much below about 50°F (10°C) can stress Pink Silver, especially if cold conditions are repeated. Warmth helps support steady growth and improves the plant’s chance of flowering over time.
Humidity
Aim for moderate to fairly high humidity. Pink Silver often looks best and stays cleaner when the air is not too dry, especially if you want better foliage quality and fewer pest problems.
Pink Silver can still adapt to average household humidity if the rest of its care is good, but repeated dry-air stress may show up in tired leaf edges or more frequent pest issues. A humidifier or plant grouping can help if needed.
Soil
Use a well-draining, chunky, airy mix. A good approach is a houseplant base combined with orchid bark and perlite or pumice so the roots get both moisture and oxygen.
For Pink Silver, a pot with drainage holes is essential, and a slightly snug pot is often better than moving into a much larger one too quickly. Heavy wet soil is one of the easiest ways to slow or damage the plant.
Feeding
Feed lightly during spring and summer with a balanced fertilizer at modest strength. Pink Silver usually benefits more from regular gentle feeding than from strong doses.
Reduce or pause feeding in winter when growth slows. Too much fertilizer can push soft growth and make Pink Silver less resilient overall.
Pruning & Grooming
Prune to shape and encourage branching, especially if the vine becomes leggy. Training Pink Silver onto a trellis or hoop usually gives it a cleaner and more intentional look.
Do not remove the flower spurs after blooming. On Pink Silver, those peduncles can flower again in later cycles and are important for repeat blooming.
Pests & Problems
Watch for mealybugs, scale, and spider mites, especially if the air is dry. Early action usually works best, along with improving humidity and keeping the plant clean.
The most serious long-term problem for Pink Silver is root rot from staying too wet. If growth stalls and the leaves yellow while the mix remains damp, correct drainage and reduce watering frequency before anything else.

