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Hoya

‘Silver Dollar’

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‘Silver Dollar’
A thick-leaved Hoya hybrid whose rounded foliage shifts between green and metallic silver, with soft pink edging developing under brighter light.
Taxonomic Identity
Genus
Hoya
Species
Hybrid
Cultivar
‘Silver Dollar’
Formal Cultivar Name
Silver Dollar
Name Type
Hybrid
Hybrid Parents
Hybrid Type
Complex
Family
Apocynaceae
Order
Gentianales
ID
HOY-HYB-SDOL
Growth Characteristics
Growth Behavior
Moderate
Growth Habbit
Climbing, Trailing
Descriptor Tags
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Grow System Compatibility
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More Info
Collector Tier
Collector Interest
Care Level
Moderate
Pet Friendly
Yes
No
Flowering
No
Yes

Hoya ‘Silver Dollar’ (MB1405-AG) is a named collector hybrid attributed to Mike Bernardo and commonly documented as Hoya MB001 × Hoya meliflua. Its thick, rounded leaves develop a diffuse metallic silver overlay while retaining areas of green to dark green.

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On Flora Cantina's plant, brighter-light growth also develops a soft pink cast along the leaf edges. The combination of rounded form, green undertones, silver overlay, and subtle pink light response gives the foliage a distinctly coin-like metallic character that makes the ‘Silver Dollar’ name visually intuitive.

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Maintain it with bright filtered light, good airflow, and an airy root zone with controlled dry-down. Light intensity can influence the balance of green, silver, and pink expression.

Genus native to
Philippines, India, Thailand, Malaysia, Vietnam, Bangladesh, Indonesia, Polynesia, New Guinea
Cultivar Origin
Horticultural hybrid attributed to Mike Bernardo: Hoya MB001 × Hoya meliflua. Cultivated selection MB1405-AG; documented as a sibling selection of Hoya ‘Penny's Treat’ MB1405-B.
Also known as
Hoya Silver Dollar; Hoya ‘Silver Dollar’ MB1405-AG; MB1405-AG
Care Guide
Hoya ‘Silver Dollar’

Provide bright filtered light, good airflow, and an airy root zone with controlled dry-down. The thick silver foliage can show cosmetic damage readily, so avoid rough handling and repeated moisture extremes. Brighter light may intensify pink or lavender tones.

Genus Guide

Hoyas are epiphytic and semi-epiphytic tropical plants valued for their sculptural foliage, slow intentional growth, and long-lived root systems. In nature, most Hoyas grow attached to trees or rocky surfaces, with roots exposed to air, moisture cycles, and organic debris rather than compact soil. Successful care is about root oxygen, controlled moisture, and stable light, not constant saturation.

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Light

Bright, indirect light is ideal.

Hoyas tolerate a wide range of light levels but perform best with strong ambient light filtered through distance or diffusion. Direct sun can be tolerated by some cultivars if introduced gradually, but harsh midday exposure may stress foliage.

  • Insufficient light = slow growth, weak internodes, no flowering
  • Excessive light = leaf yellowing, sun stress

Goal: Clear leaf shadows, not harsh silhouettes.

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Water

Allow partial drying between waterings.

Hoyas prefer a wet–dry rhythm rather than constant moisture. Water thoroughly, then allow the upper portion of the substrate to dry before re-watering. Roots require access to oxygen, and prolonged saturation leads to decline.

  • Water less frequently in low light or cool conditions
  • Increase frequency slightly during active growth
  • Rule: Moist roots, never stagnant roots.

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Substrate

Airy, structural, and fast-draining.

Hoyas thrive in chunked, oxygen-rich substrates that mimic epiphytic conditions. Dense or fine media restrict airflow and slow root metabolism.

  • Structural components (bark, coco chips)
  • Root-air components (perlite, lava, coarse minerals)
  • Optional living components for biological stability

Substrate should support the roots, not smother them.

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Containers & Systems

Root visibility and airflow matter.

Hoyas adapt well to glass vessels, drainage-equipped glass pots, and semi-hydro compatible systems when moisture is managed correctly. Containers should encourage air exchange and root observation, allowing intervention before stress occurs.

  • Avoid oversized containers
  • Gradual root colonization is preferred

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Humidity

Moderate to high preferred, but adaptable.

Most Hoyas perform well between 40–70% humidity. Higher humidity supports leaf expansion and rooting, but stable airflow is more important than saturation.

  • Low humidity is tolerated
  • Stagnant humid air is not

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Temperature

Warm and stable.

Ideal range: 65–85°F (18–29°C)

  • Avoid prolonged exposure below 60°F
  • Sudden temperature swings may cause leaf drop

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Growth Habit & Support

Hoyas are climbers and trailers.

Most species benefit from support structures such as trellises, guides, or vertical surfaces.

  • Improved leaf size and spacing
  • Stronger long-term structure

Avoid frequent repositioning once vines are established.

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Flowering (Peduncles)

Never remove peduncles.

Hoyas bloom from persistent flower spurs that rebloom over time.

  • Removing peduncles delays flowering
  • Blooms improve with plant maturity

Encouraged by

  • Strong light
  • Root maturity
  • Stable conditions
  • Consistent care cycles\

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Fertilization

Light, consistent, and biologically aligned.

Hoyas respond best to diluted, balanced nutrients during active growth.

  • Avoid heavy feeding
  • Living components support nutrient uptake

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Common Issues

  • Yellow leaves → overwatering or low oxygen
  • Wrinkled leaves → dehydration or compromised roots
  • No growth → insufficient light or immature root system

Most issues are system-related, not plant-related.

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Care Philosophy

Hoyas reward patience.

These are slow-intentional plants, not fast fillers. When given the right system, light, airflow, substrate, and rhythm. They become long-lived, architectural companions that improve with time.