Hoya Lacunosa Plant Facts

FamilyApocynaceae (The Dogbane Family)
Botanical NameHoya Lacunosa
Plant Common NameFurrowed Hoya, Hoya Suaveolens, Cinnamon-Scented Hoya, Cinnamon-Scented Wax Plant, Grooved Wax Flower, Lacunose-Leaved Hoya, Wax Porcelain Flower, Lacunosa Wax Plant, Waxvine
Light RequirementsJust like other Hoyas, Hoya Lacunosa likes bright indirect light. It can thrive in partial shade. However, there’s less chance of flowering.
Water RequirementsWhen the topsoil becomes dry, thoroughly water it. To make sure it really needs watering, insert your finger into the soil and feel it if the soil is still wet or dry.
Soil RequirementsHoya Lacunosa needs well-draining soil to prevent root rot. The best solution is to choose an orchid or succulent potting mix and combine two parts of the potting mix and one part perlite.
Fertilizer RequirementsFeed your Hoya Lacunosa a low nitrogen liquid fertilizer. During its growing stage, apply potassium-rich fertilizer and ¼ teaspoon of phosphorus.
Temperature RequirementsHoya Lacunosa won’t be able to tolerate temperatures below 50 degrees Fahrenheit. It likes an indoor temperature of 60 degrees Fahrenheit or a little bit more.
Humidity RequirementsAs a tropical plant, Hoya Lacunosa prefers moderate humidity levels. But it can still tolerate normal household humidity.
SizeIts stems would grow up to five feet long. Meanwhile, its leaves can grow three to four inches in size.
Foliage ColorHoya Lacunosa is an evergreen perennial vine that bears small, green, and oval-shaped foliage.
PropagationHoya Lacunosa can be propagated by stem cuttings via soil and water.
ToxicityIt belongs to a famous milk-weed family that possesses white latex running inside the leaves. This latex is toxic in nature, so it’s best to keep it away from pets and kids’ reach.
Pot RequirementsYou can grow your Hoya Lacunosa in shelf pots, containers, or hanging baskets, provided they have drainage holes.
Pruning RequirementsPrune your Hoya Lacunosa as necessary to keep your desired size. Pruning is best done after it stops flowering. Make sure to avoid deadheading spent blooms because the spurs will bear new flowers the following year.
Growth ZoneOutdoors, Hoya Lacunosa grows in USDA hardiness zone 10a to 11b.
Common ProblemsThis plant’s common problems include limp leaves, discoloring, burns or dry patches on leaves, fungal diseases like Phomopsis, and not flowering.
PestsPests include aphids, mealybugs, red spiders, grasshoppers, slugs, snails, and rodents.
Where to BuyYou can purchase Hoya Lacunosa in your local nurseries or online stores such as Etsy or Amazon.