Photo: Karim HaddadCC BY 4.0via iNaturalistresized / cropped
One-flowered Vetch Plant Care
Vicia monantha Retz.
Updated · Sources · How we source care data
Vicia monantha, also known as mountain vetch, is a visually striking plant with delicate, fern-like leaves and vibrant purple flowers. It is native to mountainous regions of Europe and Asia and is highly sought after by plant enthusiasts for its unique appearance.
Every 7–10 days
Full sun to partial shade
50–75°F
40–60%
At a glance
How do you care for One-flowered Vetch?
Water One-flowered Vetch every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–75°F (10–24°C) and 40–60% humidity. Fertilize it every 2 months during the growing season.
Where Is the One-flowered Vetch Native To?
What Is the One-flowered Vetch?
One-flowered Vetch (Vicia monantha) belongs to the Fabaceae family within the Vicia genus. One-flowered Vetch is native to the Mediterranean region, and western and central Asia, and has been introduced to Australia.
One-flowered Vetch displays a vining, climbing growth habit, reaching up to 1 ft tall with a spread of approximately 1 ft. One-flowered Vetch produces small pea-like flowers in various colors.
Leaf size: approximately 4 inches.
How Often Should You Water a One-flowered Vetch?
Vicia monantha 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 One-flowered Vetch Need?
One-flowered Vetch thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the One-flowered Vetch Prefer?
Vicia monantha grows best at temperatures of 50–75°F. One-flowered Vetch prefers humidity levels of 40–60%.
Temperature
50–75°F
Humidity
40–60%
What Soil Mix Works Best for a One-flowered Vetch?
Well-draining loamy soil with added organic matter. Good drainage is essential for One-flowered Vetch to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a One-flowered Vetch?
Feed One-flowered Vetch every 2 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 2 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 One-flowered Vetch?
Repot every 1-2 years in early 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 One-flowered Vetch?
One-flowered Vetch can be propagated through seeds, division. Similar propagation techniques also apply to american vetch plant care, which shares the same genus.
Is the One-flowered Vetch Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list One-flowered Vetch, 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 One-flowered Vetch?
One-flowered Vetch is susceptible to aphids, leafhoppers, spider mites. 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 One-flowered Vetch Need?
One-flowered Vetch grows outdoors in USDA Zone 8a – 11b. It survives winters down to planting zone 8a. One-flowered Vetch is native to the Mediterranean region, and western and central Asia, and has been introduced to Australia.
Hardiness Zone
Zone 8a – 11b
Keep exploring plants
One-flowered Vetch 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 Vicia genus — compare its care with other Vicia species on PlantoScan.
Vicia is part of the Fabaceae plant family — browse all Fabaceae genera and species.
One-flowered Vetch thrives in bright light and direct sun — see other bright-light plants.
More Vicia Species
Other Vicia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Vicia monantha Retz., family Fabaceae (first published in Observ. Bot. 3: 39 (1783)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list One-flowered Vetch, 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.
- Photo: Karim Haddad, CC BY 4.0, iNaturalist — original.
- Hardiness zone: USDA Zone 8a – 11b, estimated from the plant's typical growing conditions.
- 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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