Common crownvetch (Securigera varia)

Also known as: Crown Vetch, Purple Crown Vetch

Kudzu (Pueraria montana) is a fast-growing vine commonly used for soil erosion control due to its extensive root system, which stabilizes the soil effectively. This plant is notoriously invasive in the United States, spreading rapidly and overtaking native vegetation. While kudzu is toxic to horses, it is not harmful to cows.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Common crownvetch

Lifespan

Perennial

Plant Type

Herb

Plant Height

50 cm to 1 m

Spread

1 m

Leaf Color

Green

Flower Size

2.5 cm to 5 cm

Flower Color

White Pink Purple

Images of Common crownvetch

Quickly Identify Common crownvetch

Sprawling habit with robust stems reaching 3-6 feet (90-180 cm).

Clusters of small, pink, white, or lavender pea-like flowers in umbrella-like shape.

Distinctive elongated seedpod, 0.8–2 inches (2–5 cm) with jointed segments and pointed beak.

Compound leaves with 15-25 oblong to ovate leaflets, often with needle-like points.

Smooth, grooved stems reaching 3 feet (1 meter), forming dense mats with green coloration.

Scientific Classification of Common crownvetch

Phylum

Vascular plants

Class

Dicotyledons

Order

Fabales

Family

Legume

Genus

Crownvetch

Species

Common crownvetch

Planting and Growing of Common crownvetch

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

60-77℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Plastic, Ceramic

How to Water Common crownvetch?

For Securigera varia, aim to provide a substantial soak that allows water to penetrate deeply into the soil, about 250 ml per session. This helps ensure the root system receives adequate moisture without remaining overly saturated, which can lead to root rot.

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What Are the Sunlight Requirements for Common crownvetch?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Securigera varia thrives in full to partial sunlight, ideally receiving 6 to 8 hours of sun daily. Proper light exposure ensures robust growth and a healthy flowering cycle, necessary for its ornamental appeal.

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What Is the Ideal Temperature Range for Common crownvetch?

Ideal Temperature: 60 ~ 77℉

Securigera varia thrives best in temperatures ranging from 60°F to 77°F. This range provides the optimal conditions for growth and flowering, ensuring that the plant maintains its health and vigor. At these temperatures, the plant's metabolic processes function efficiently, facilitating nutrient absorption and photosynthesis.

What Soil is Best for Common crownvetch?

Soil type: Sandy loam, Loam, Calcareous soil

Soil PH: 6.5 ~ 7.5

Securigera varia thrives in soil that provides excellent drainage. This quality prevents waterlogging, which can be detrimental to its root system. Well-drained soil ensures the roots receive ample oxygen, promoting healthy growth. While good drainage is necessary, the soil must also retain enough moisture to sustain the plant’s needs. Sandy loam presents a balanced texture that holds moisture yet remains aerated, accommodating Securigera varia's hydration without drowning it. To support its growth and vibrant foliage, Securigera varia prefers soil enriched with organic matter. The addition of compost or well-rotted manure can provide essential nutrients, promoting robust flowering and overall plant vigor.

How to Fertilize Common crownvetch?

Fertilizer type: Balanced

For Securigera varia, the ideal fertilizer amount is moderate. During active growing periods, a water-soluble fertilizer diluted to half strength is recommended to avoid over-fertilization. Apply it once every two weeks to provide essential nutrients without overwhelming the plant.

How to Prune Common crownvetch?

Pruning Time: Spring, Summer

Begin by thoroughly sanitizing your pruning tools to prevent any disease transmission. Trim the plant to maintain its shape by selectively cutting back overgrown stems and branches. Focus on removing any dead or diseased growth to allow the plant to focus its energy on new growth. It's also effective to cut above a leaf node to encourage a bushier habit. After the initial blooming period, prune back spent flowers and stems. Doing so will promote subsequent blooms throughout the season. Make clean cuts just above a set of leaves or a branch junction to support flower regeneration. More About Pruning Techniques→

How to Propagate Common crownvetch plant?

Propagate Time: Spring, Early summer

First, collect seeds from mature Securigera varia plants once they are dry. Clean the seeds and dry them properly before sowing. This ensures that the seeds are free from any pathogens, increasing germination success.

Fill seed trays with a well-draining potting mix. Water the soil lightly and sow the seeds on the surface, covering them with a thin layer of soil. Maintain a warm and moist environment to facilitate germination.

Select healthy stems from the parent plant, about 10-15 cm long. Use pruning shears to make a clean cut just below a node. Remove the leaves from the lower half of the cutting and dip the cut end in rooting hormone before planting it in moist soil.

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How to Repot Common crownvetch plant?

Repotting frequency: Every 2-3 years

Securigera varia needs repotting when its roots start to protrude from the drainage holes or when growth appears stunted. This signals that the plant has outgrown its current pot and needs more space to thrive. Repotting is best done during spring or early summer when the plant is actively growing.

Select a pot that is slightly larger than the current one, with good drainage holes. Using a pot that's too large can lead to water retention and root rot, while a properly sized pot encourages healthy root growth and prevents the soil from staying too moist.

Opt for a well-drained potting mix, ideally one that's rich in organic matter. This type of soil ensures that excess water drains away efficiently, preventing root rot and promoting a healthy root system for robust growth.

Toxicity of Common crownvetch

Is Common crownvetch toxic to cat?

Common crownvetch is harmful to cats. Cats may accidentally ingest this plant, leading to exposure. Every part of common crownvetch is toxic, posing a risk to felines that encounter any section of the plant. Indicators that a cat has been poisoned by common crownvetch include various symptoms of physical distress or illness; the intensity of these symptoms can differ. It is vital for cat owners to remain watchful and seek immediate veterinary assistance if there are any concerns regarding poisoning. Timely intervention is crucial for mitigating the impacts of the toxicity.

Is Common crownvetch toxic to dog?

Common crownvetch is deemed toxic to dogs. Canines might unintentionally consume portions of this plant, which can result in poisoning. The entirety of the plant is dangerous, signifying that any ingested segment presents a potential hazard. Signs of poisoning in dogs may encompass gastrointestinal distress, lethargy, and possibly more severe health issues depending on the quantity ingested. It is essential for dog owners to vigilantly supervise their pets and restrict access to common crownvetch. In the event that a dog does ingest common crownvetch, seeking immediate veterinary assistance is vital to address the symptoms and secure the animal's health and safety.

WARNING

The judgment on toxicity and danger is for reference only. We DO NOT GUARANTEE any accuracy of such judgment. Therefore, you SHALL NOT rely on such judgment. It is IMPORTANT TO SEEK PROFESSIONAL ADVICE in advance when necessary.

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