Veiny Pea Plant Care

Lathyrus venosus Muhl. ex Willd.

Updated · Sources · How we source care data

Lathyrus venosus is a species of flowering plant native to North America. It is part of the botanical family Fabaceae and is commonly known as veiny pea.

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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 Veiny Pea?

Water Veiny Pea 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.

Where Is the Veiny Pea Native To?

Native range3 countries

What Is the Veiny Pea?

Veiny Pea (Lathyrus venosus) belongs to the Fabaceae family within the Lathyrus genus. Veiny Pea is native to North America. Veiny Pea is also known as Wild Sweet Pea, Purple Pea.

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

Leaf size: approximately 4 inches.

How Often Should You Water a Veiny Pea?

Lathyrus venosus 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 Veiny Pea Need?

Veiny Pea thrives in full sun to partial shade.

Light Requirement

Full sun to partial shade

What Temperature and Humidity Does the Veiny Pea Prefer?

Lathyrus venosus grows best at temperatures of 50–80°F. Veiny Pea prefers humidity levels of 40–70%.

Temperature

50–80°F

Humidity

40–70%

What Soil Mix Works Best for a Veiny Pea?

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

How Often Should You Fertilize a Veiny Pea?

Feed Veiny Pea 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 Veiny Pea?

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 Veiny Pea?

Veiny Pea 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 Veiny Pea Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Veiny Pea, 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 Veiny Pea?

Veiny Pea 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 Veiny Pea Need?

Veiny Pea grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Veiny Pea is native to North America. In cooler regions, grow Veiny Pea as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 12a

Keep exploring plants

Veiny Pea 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.

Veiny Pea 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 venosus Muhl. ex Willd., family Fabaceae (first published in Sp. Pl., ed. 4 , 3: 1092 (1802)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Veiny Pea, 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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