Hoya Obscura

Hoya Obscura

Hoya Obscura is one of the quickest-growing hoyas that are native to the Philippines. It also produces stunning flowers. Hoya Obscura is a small to medium-sized Hoya with rapid growth and sturdy stalks that do not entangle with one another.

The intriguing medium-sized leaves of this plant are green when protected from direct sunlight but begin to turn crimson as winter approaches. When grown out of direct sunlight, the leaves develop pinnate veining.

Hoya Obscura is primarily a lowland species, though it has been spotted as high as 1,000 m above sea level. This plant is commonly found clinging to a host tree or growing beside another plant for support, regardless of whether it is in a lowland or highland environment.

Because of its status as an epiphyte, the Hoya Obscura is readily pushed aside by more robustly developing neighbours. It is a dangling plant, but when the stems touch other plants or a support, this Hoya can transform into a root climber.


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Scientific name: Hoya Obscura

Common names: Wax plant, porcelain flower, waxvine

Origin: Philippines

Flower colour: Shell pink 

Genus: Hoya

Family: Apocynaceae (Asclepiadaceae)

Kingdom: Plantae

Type:Flowering vine

How to care?

Hoya Obscura

Hoya Obscura is an easy plant to care for and can thrive with very little attention. Like most other tropical flowers, they prefer warm, humid temperatures and well-drained soil. Provide at least half a day's worth of sunlight, and keep the soil dry.


  • Leaves are thick and waxy
  • It prefers bright, indirect light
  • Requires well-draining soil
  • Needs higher humidity in the air
  • Thrives in temperatures between 53.6 and 59

Hoya Obscura Care Detail

Light Requirements:

  • Plants like the Hoya Obscura, which have leaves that change colour, prefer bright sunlight. The plant thrives under southern exposure and early morning sun.
  • The Hoya Obscura plant prefers indirect sunshine but can also survive in dappled shade. When exposed to adequate sunlight, the plant will show off its foliage and produce its signature blossoms.
  • Once you get your plant home from the nursery, you can decide whether or not to immediately expose it to direct sunlight. To gradually introduce them to sunlight without causing any plant stress or trauma, you can gradually relocate them to places with higher amounts of light.

Temperature Requirements:

  • When it comes to winter, Hoya Obscura thrives in temperatures between 53.6 and 59 degrees Fahrenheit, but in the summer they do best in temperatures between 86 and 100 degrees Fahrenheit. 
  • These plants do well in both wet and dry climates, making them ideal for a variety of environments.
  • In the winters you might need use a heating pad to keep your hoya warm and protected.

Humidity Requirements:

  • Humidity levels between 60 and 80 per cent are ideal for the Hoya Obscura. These conditions are similar to those found in the Hoya's natural habitat, and will help it flourish.
  • Your Hoya plant will benefit from higher humidity in the air, which you may achieve by continually spraying the area around it if you live in a dry climate.
  • In addition, you can water your Hoya obscura by placing a shallow tray filled with stones or pebbles under or near the plant. You'll notice an instantaneous increase in the humidity level around your plant as the water evaporates. 
  • Moreover, you can increase the humidity in the area the plant is in by utilising a commercial humidifier.

Watering Requirements:

  • In general, the Hoya Obscura plant needs about as much water as the ordinary houseplant. That's because you'll be able to water the plant regularly without ever risking drowning it.
  • To promote healthy root growth and development, let the soil dry out slightly between waterings.
  • The amount and frequency of watering may also change based on environmental factors like temperature, light, and moisture. More frequent watering of your Hoya Obscura plant may be required if you live in a hot, sunny, and humid climate as compared to a colder, drier climate.
  • The leaves of the Hoya Obscura plant, due to their succulent nature, will not wilt even when the plant is severely parched. This is why there is no outward indication that the plant needs watering. If you want your plant to stay healthy and hydrated, check the potting medium every so often.
  • Let the soil to dry out slightly between waterings, especially during the winter months, if you live in a colder climate. Root rot can occur if the root system is always damp.

Soil Requirements:

  • Hoya Obscuras are not picky about the soil they're grown in, so you can use whatever indoor potting mix you like. A soil mixture that is both chunkier and more permeable can help your plant thrive by preventing water from pooling around the roots.
  • You can use the following soil mixtures:
  • Potting soil of high quality
  • Flaxseed oil
  • Horticultural Charcoal
  • Perlite 
  • Taking care of your plant properly means paying attention to both the soil's pH and the soil's composition. The mildly acidic range of pH 6.1–6.5 or the neutral range of pH 6.6–7.5 are both acceptable.

Fertilizing Requirements:

  • Fertilising Hoya Obscura is just as important as it is for other plants, especially while they are actively growing. The optimal frequency for applying fertiliser is once every two weeks or once every month, and the fertiliser should be organic and well-balanced. In order to avoid over-fertilizing your plant, follow this schedule.
  • It is possible to use synthetic fertiliser at a concentration of only one-quarter or one-half the recommended rate. A monthly or bimonthly misting is plenty for Hoya Obscura. 
  • There is no one optimal method of fertilising a plant; instead, you should experiment with different amounts to see what works for your particular plant.


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