Yellow Vetchling Plant Care

Lathyrus aphaca L.

Updated · Sources · How we source care data

Lathyrus aphaca, known as the yellow pea or yellow vetchling, is an annual species in the family Fabaceae with yellow flowers and solitary, pea-like fruits. It originated in the Middle East and has spread throughout Europe and beyond as a weed of cultivated fields and roadsides.

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Water

Every 4–7 days

Light

Full sun to partial shade

Temp

50–80°F

Humidity

40–70%

At a glance

How do you care for Yellow Vetchling?

Water Yellow Vetchling every 4–7 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–70% humidity. Fertilize it every 6 months during the growing season.

What Is the Yellow Vetchling?

Yellow Vetchling (Lathyrus aphaca) belongs to the Fabaceae family within the Lathyrus genus. Yellow Vetchling is also known as Yellow Pea.

Yellow Vetchling displays a climbing vine growth habit, reaching up to 6 ft tall with a spread of approximately 2 ft. Yellow Vetchling produces colorful pea-like flowers in various shades.

Leaf size: approximately 4 inches.

How Often Should You Water a Yellow Vetchling?

Lathyrus aphaca requires watering every 4–7 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 4–7 days

Let soil partially dry between waterings

What Light Does the Yellow Vetchling Need?

Yellow Vetchling thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Yellow Vetchling Prefer?

Lathyrus aphaca grows best at temperatures of 50–80°F. Yellow Vetchling prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Yellow Vetchling?

Well-draining loamy soil with added organic matter for nutrients. Good drainage is essential for Yellow Vetchling to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Yellow Vetchling?

Feed Yellow Vetchling every 6 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 6 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 Yellow Vetchling?

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 Yellow Vetchling?

Yellow Vetchling can be propagated through seeds, division of rootball. Similar propagation techniques also apply to golden sweet pea plant care, which shares the same genus.

Is the Yellow Vetchling Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Yellow Vetchling, 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 Yellow Vetchling?

Yellow Vetchling 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 Yellow Vetchling Need?

Yellow Vetchling grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. In cooler regions, grow Yellow Vetchling as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Yellow Vetchling 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 Lathyrus genus — compare its care with other Lathyrus species on PlantoScan.

Lathyrus is part of the Fabaceae plant family — browse all Fabaceae genera and species.

Yellow Vetchling thrives in bright light and direct sun — see other bright-light plants.

More Lathyrus Species

Other Lathyrus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:

Sources

  • Scientific name & taxonomy: Lathyrus aphaca L., family Fabaceae (first published in Sp. Pl. : 729 (1753)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Yellow Vetchling, 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 12a, 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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