Lathyrus ochroleucus — a medium houseplant, prefers full sun light
SPECIMEN · FROM THE LIBRARY
Lathyrus ochroleucus

Lathyrus Ochroleucus

Updated · 30 observations
ON THIS PLANT

Lathyrus ochroleucus, the cream pea, is a species of wild pea in the family Fabaceae. It is native to the northern United States and Canada. The species has cream-colored flowers with a variation of off-white with cream yellow to a white with a light white blue.

A note from PlantMom

Cream pea is fairly resistant to disease and typically does not suffer from many illnesses. However, it can be vulnerable to pests and diseases present in its environment. These problems are usually mild. For care, this plant requires moderate maintenance. It should be pruned regularly to keep a neat appearance and encourage healthy growth. Fertilizing can also help stimulate flowering. Cream pea is suitable for anyone with outdoor space, such as a garden or patio, and does not need a great deal of gardening experience. It may demand more attention when grown indoors.

— PlantMom
CARE GUIDE

How to keep Lathyrus Ochroleucus.

Light

Cream pea grows best in locations with plentiful sunlight, though it also tolerates moderate sun exposure. Ample sun supports its healthy development. Its original habitat is linked to areas that receive a great deal of sunlight. If given too much or too little sunshine, the plant's health can suffer.

Water

Cream peas thrive in temperate regions, where they prefer moderate moisture levels. They do best in conditions that are neither constantly damp nor excessively dry. For optimal growth, water them once a week. These plants flourish in well-draining soil, efficiently utilizing available water resources throughout the growing season.

Temperature

Cream pea comes from cooler regions and thrives in temperatures from 32 to 100°F (0 to 38℃). In extreme seasons, its conditions should be altered to imitate its natural habitat. During winter it can tolerate freezing temperatures, while in summer it needs a cooler, shaded location.

Fertilizer

The best time to fertilize a Cream pea is in early spring, as it comes out of dormancy and enters active growth. Fertilization supplies key nutrients needed for healthy growth. Although Cream pea has relatively low fertilizer requirements, annual fertilization can improve its survival and encourage better, longer-lasting flowers.

Pruning

The perennial vine cream pea features cream-colored flowers and flourishes in partial shade. To care for it, prune in early spring by removing dead stems and shaping its growth. This helps improve air circulation and access to light. Use sharp tools to make clean cuts, which minimizes stress on the plant and encourages healthy regrowth.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb, Vine
Life Cycle
Perennial
Genus
Lathyrus
Family
Fabaceae
Hardiness Zone
2-11
Mature Height
30 cm to 91 cm
Mature Spread
20 cm to 40 cm
Leaf Color
Green
Leaf Type
Deciduous
Flower Color
White
Flower Size
1.52 cm to 2.03 cm
Bloom Time
Mid spring, Late spring, Early summer
Planting Time
Spring, Summer
Harvest Time
Mid summer, Late summer, Early fall
ALSO KNOWN AS

Other names.

en Pale vetchling en Yellow vetchling en Cream pea en Pale Vetchling Peavine en Cream-coloured Vetchling en Cream Vetchling en Cream-coloured Peavine en Cream-flowered Peavine en Creamy Peavine
FREQUENTLY ASKED

Reader questions.

How should I water my Cream pea plant?

To properly water the Cream pea, it is recommended to use filtered water at room temperature. Tap water may contain harmful particles, so filtered water is preferable. The reason for using room temperature water or slightly warmer is that the Cream pea originates from a warm environment and cold water can be a shock to its system. Instead of overhead watering, it is advisable to apply the filtered room temperature water directly to the soil until it is completely soaked. This method helps moisten the roots and allows them to continue spreading through the soil to collect essential nutrients.

What kind of sunlight does Cream pea require?

Cream pea plants require full sun daily, with a minimum of six hours of sunlight to maintain healthy leaves, roots, and blooms. While most perennials also need six hours of sunlight daily, some plants like the Orange Daylily or Giant Coreopsis can survive with as little as three hours of direct sunlight. However, it is important to note that these perennial flowering plants may not thrive as well as they would in sunnier conditions.

What is the best temperature for Cream peas?

The best temperature for Cream pea depends on the time of year. Let's discuss two primary seasons: the growing season and the dormancy season. During the growing season, when Cream pea has sprouted, the ideal temperature range should be 65-80℉ (18-27℃). If it gets colder than 15℉ (-10℃), the plant will suffer, with browning and wilting leaves. However, if it's a short cold snap, Cream pea might survive with some help. In the warmer parts of the year, Cream pea needs protection from high temperatures. The top of its temperature range is 95-105℉ (35-40℃), and anything above that compromises the foliage and blooms. Hotter temperatures can cause wilting, drooping, and sunburn on the leaves, which are challenging for Cream pea to recover from. There are various quick and easy ways to combat this issue.

What should I do if I give my Cream pea plant too much water or too little water?

Overwatering and underwatering can harm your Cream pea plant, but overwatering is more common. Too much water can cause wilting and yellowing of the stems and leaves. Overwatering for a long time can also result in diseases like root rot, mold, and mildew, which can be fatal to your plant. Underwatering is less likely for the Cream pea since it can tolerate drought. However, if underwatering occurs, the leaves may become brittle and brown. It's important to be aware of the signs of overwatering and take action promptly. Some diseases caused by overwatering, like root rot, may not be able to be fixed if you wait too long. If you notice early signs of overwatering, reduce your watering schedule immediately. Additionally, check the quality of the soil where your Cream pea is growing. If it drains poorly, replace it with a loose and well-draining potting mix. If you determine that your Cream pea is not getting enough water, simply water it more frequently until the signs improve.

Can the sun harm Cream pea? How can we keep Cream pea safe from sun and heat damage?

In warm climates, some Perennial Flowering Plants may struggle with excessive heat and suffer from sun damage. They can wilt, dry out, or even experience growth problems if they are consistently exposed to the intense afternoon sun. However, not all plants require protection from the light afternoon sun. For those that are harmed by intense afternoon exposure, it is recommended to provide them with some shade in warmer climates. Gardeners can achieve this by planting these plants in areas that do not receive direct heat during the afternoon, such as under trees or behind bushes.

The temperature needs for the first year or baby Cream pea plants.

If you're planting a Cream pea outside for the first time, it will need some extra care during the coldest months. Frost can cause serious damage and prevent it from growing back healthy in the spring. To protect the plant, keep it at or above 40℉(5℃) while it is still establishing. You can do this by bringing the Cream pea inside for a couple of months or by using mulch or fabric barriers to prevent frost damage. During the first year or two, it's also a good idea to plant the Cream pea in a shadier spot. Smaller and weaker plants have a harder time regulating their temperatures in the heat. Limit the plant's exposure to direct sunlight to no more than five hours per day, especially if the temperature goes above 80℉(27℃). To protect from the summer heat, use shadecloth and make sure to water or mist the plant frequently.

How frequently should I give water to my Cream pea plant?

If your Cream pea plant is in a pot, the best way to determine if it needs water is to stick your finger in the soil. If the top two to three inches of soil feel dry, it's time to water. The same method can be used if you're growing the plant outdoors in the ground. When the top few inches of soil have dried out, it's time to water. Typically, during spring and early fall, you'll need to water about once a week. However, during hot weather, you may need to water twice a week or even more. It's worth noting that mature and well-established Cream pea plants can tolerate drought well.

Should I keep Cream pea out of the sun?

Certain perennial plants require ample sunlight to reach their maximum bloom. However, in warmer climates, some of these plants actually benefit from less sun. For instance, individuals residing in hotter regions might find it beneficial to shade their flowering perennials during the intense afternoon sun, especially during summer months. Although many perennial flowering plants prefer partial shade in the hottest climates, there are exceptions. Take the Giant Coreopsis, for example, as it is not bothered by excessive sun exposure. These plants can flourish even when placed in the full sun during scorching weather.

How can I keep Cream pea safe from really hot or really cold temperatures?

If cold temperatures drop below 15℉(-10℃) during the growing season, there are ways to protect Cream pea plants from frost or cold damage. For potted plants, simply bring the container indoors where it can receive bright, indirect light until temperatures rise above the threshold. For plants in the ground, you can use mulch or horticultural fabric to create a protective barrier. This will insulate the plant and shield it from frost and cold wind. During hot days with temperatures exceeding 80℉(27℃) in the shade, it's important to limit the amount of sunlight Cream pea plants are exposed to. Try to restrict their sun exposure to no more than six hours per day, preferably in the morning. Using shade cloth or fine plastic mesh can help reduce direct sunlight during the hottest parts of the day. Additionally, installing a misting system that releases a slow, cooling mist around the plant's base can help lower ground temperatures.

How much water does my Cream pea plant need?

To properly water your Cream pea plant, don't hesitate to give it a generous amount of water. Make sure the first two to three inches of soil are dry, and then thoroughly saturate the entire soil by providing enough water. You should add water until you see excess water flowing out of the pot's drainage holes. If no excess water comes out, it means you haven't given enough water, which can harm the plant. On the other hand, avoid letting water accumulate in the soil, as it can also be dangerous for the plant. Additionally, if water doesn't drain well through the pot, it indicates poor soil drainage, which is not good for the plant's health and should be prevented. Lastly, if the plant is outside, getting approximately 1 inch of rain per week is sufficient.

What will happen if Cream pea doesn't get enough sunlight?

If your Cream pea plants are not receiving sufficient sunlight, you will observe signs of inadequate conditions. In such cases, the plants will not produce as many blooms compared to when they have full sun exposure. Some plants may develop dry spots on their leaves, but most of them will still manage to bloom despite the lack of sun. However, these blooms will be smaller and less full in comparison.

Recommended temperatures for Cream pea during its dormant season.

Cream pea requires a specific amount of cold during the winter to remain dormant until it is ready to sprout. It is crucial for it to not sprout too early, before the last frost has occurred, as this could be detrimental to its survival. Ideally, winter temperatures should be below 32℉(0℃), but if they reach 40℉(5℃), it should be fine. However, in more temperate climates like woodland rainforests, there may be unexpected warm spells that can cause Cream pea to prematurely sprout. If the danger of frost still exists, it may be helpful to cover the sprout with clear plastic on stakes to protect it from the cold. This covering can be removed once the frost danger has passed. While Cream pea may naturally sprout at the appropriate time, using this method increases the likelihood of successful sprouting.

PLATES
Lathyrus ochroleucus leaf
PLATE 01 · leaf
Lathyrus ochroleucus leaf
PLATE 02 · leaf
Lathyrus ochroleucus flower
PLATE 03 · flower
Lathyrus ochroleucus flower
PLATE 04 · flower
Lathyrus ochroleucus habit
PLATE 05 · habit
ALSO IN THE LIBRARY

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