Manettia holwayi Plant Care
Manettia holwayi Standl.
Updated · Sources · How we source care data
Manettia holwayi is a species of plant in the family Rubiaceae. It is endemic to Ecuador.
Every 7–10 days
Bright indirect light
60–75°F
50–70%
At a glance
How do you care for Manettia holwayi?
Water Manettia holwayi every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect light. It prefers temperatures of 60–75°F (16–24°C) and 50–70% humidity. Fertilize it every 4 months during the growing season.
Where Is the Manettia holwayi Native To?
What Is the Manettia holwayi?
Manettia holwayi (Manettia holwayi) belongs to the Rubiaceae family within the Manettia genus. Manettia holwayi is native to Ecuador.
Manettia holwayi displays a vining, trailing growth habit, reaching up to 1.5 ft tall with a spread of approximately 2 ft. Manettia holwayi produces tubular red flowers with yellow tips.
Leaf size: approximately 3 inches.
How Often Should You Water a Manettia holwayi?
Manettia holwayi requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Manettia holwayi Need?
Manettia holwayi thrives in bright indirect light. Avoid placing Manettia holwayi in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect light
What Temperature and Humidity Does the Manettia holwayi Prefer?
Manettia holwayi grows best at temperatures of 60–75°F. Manettia holwayi prefers humidity levels of 50–70%. A pebble tray or humidifier helps maintain adequate moisture around the plant.
Temperature
60–75°F
Humidity
50–70%
What Soil Mix Works Best for a Manettia holwayi?
Well-draining, slightly acidic soil with added organic matter like peat moss. Good drainage is essential for Manettia holwayi to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Manettia holwayi?
Feed Manettia holwayi every 4 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 4 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Manettia holwayi?
Repot annually in spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Manettia holwayi?
Manettia holwayi can be propagated through softwood cuttings, division. Similar propagation techniques also apply to manettia angamarcensis plant care, which shares the same genus.
Is the Manettia holwayi Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Manettia holwayi, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Manettia holwayi?
Manettia holwayi is susceptible to aphids, spider mites, whiteflies. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Manettia holwayi Need?
Manettia holwayi grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Manettia holwayi is native to Ecuador. In cooler regions, grow Manettia holwayi as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Manettia holwayi is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Manettia genus — compare its care with other Manettia species on PlantoScan.
Manettia is part of the Rubiaceae plant family — browse all Rubiaceae genera and species.
Manettia holwayi thrives in bright light and direct sun — see other bright-light plants.
More Manettia Species
Other Manettia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Manettia holwayi Standl., family Rubiaceae (first published in Publ. Field Columb. Mus., Bot. Ser. 7: 186 (1931)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Manettia holwayi, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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