Crownvetch

securigera varia

Also known as: ["Coronilla varia","Purple Crownvetch"]

Family: Fabaceae Genus: Securigera Category: Herbs & Weeds

Overview

A perennial legume with creeping stems and pinkish-purple flowers, often used for erosion control and as a ground cover.

Benefits & Perks

["drought tolerant","shade tolerant","wildlife attractant (bees, butterflies, birds)"]

Botanical Classification

Phylum: Magnoliophyta
Class: Magnoliopsida
Order: Fabales
Family: Fabaceae
Genus: Securigera
Botanical Name: Securigera varia

Plant Characteristics

Basic Information
  • Category: Herbs & Weeds
  • Suitable Location: border plantings, rock gardens, or naturalized areas
  • Suitable For:
    Busy People (low Maintenance) Outdoor Landscapers Wildlife Supporters
  • Is Weed: No
  • Allergenicity: low
Environmental Needs
  • Climate: {"temperatureRange":"–25–35°C"}
  • Hardiness: {"zones":"3–8"}
  • Misting: rarely required, only if ambient humidity is very low
  • Drainage: Fast-draining to prevent root rot.
  • Soil Type: Well-draining, loamy soil with added organic matter; tolerates poor soils.
Maintenance Level
  • Maintenance Level: low
  • Toughness Level: high
  • Pruning Frequency: Annually in late winter or early spring before new growth begins.
  • Pruning Intensity: Moderate; remove up to one-third of old growth to rejuvenate the plant.
Care Details

Ideal Sunlight Coverage:
Full sun to partial shade (4–6 hours of direct sunlight daily); tolerates light shade in hot climates.

Sunlight Tolerance Tips:
Acclimate plants gradually to intense sunlight; protect from harsh afternoon sun in summer; ensure good air circulation to prevent leaf scorch.

Warning Signs: Yellowing leaves, root rot, or stunted growth indicate poor soil conditions or improper watering.

Care Requirements

Care Difficulty
easy

moderate

Sunlight

full sun to partial shade

Rotate plant for even light exposure; use sheer curtains to filter intense sun; avoid placing in drafty areas.

Watering

every 7–10 days during active growth, reduce in winter

Water thoroughly but infrequently; ensure soil dries between waterings; avoid overhead watering to prevent fungal issues.

Soil

well-drained, loamy soil with moderate fertility

pH: Slightly alkaline to neutral (pH 6.5–7.5).

Avoid heavy clay soils; ensure good drainage; amend with organic matter for fertility.

Temperature

Hardy in USDA zones 4–7; prefers cool to moderate temperatures (60–75°F); tolerates frost but may struggle in extreme heat.

Avoid sudden temperature fluctuations; protect from winter winds; ensure good air circulation in summer.

Fertilizing

every 4–6 weeks during spring and summer

Fertilize lightly; avoid over-fertilizing; apply before new growth emerges.

Propagation

Methods

Stem cuttings or division; seeds can also be used but may take longer to establish.

Step-by-Step Propagation Guide
  1. Take 4–6 inch cuttings.
  2. Remove lower leaves.
  3. Dip in rooting hormone.
  4. Plant in medium.
  5. Keep moist and warm.

Best Time: Early spring or late summer when the plant is not in full bloom.

Environment

Warm, humid environment with indirect light; maintain consistent moisture.

Medium

Well-draining potting mix with perlite or sand; can also root in water initially.

Hormone

Rooting hormone is optional but recommended for faster rooting.

Timeline

Roots may develop in 3–6 weeks; new growth may appear in 2–3 months.

Tools Needed

Pruning shears, rooting hormone, small pots, well-draining medium.

Quick Tips

Use healthy, non-flowering stems; maintain humidity with a plastic cover; avoid direct sunlight.

Pruning & Repotting

Pruning Guide
Method

Cut back leggy stems to encourage branching; remove dead or crossing branches.

Pruning Plan

Prune to maintain shape, encourage bushier growth, and remove dead or diseased stems.

Tools

Pruning shears, sterilizing solution, gloves.

Checklist

Sterilize tools; prune before new growth; remove dead/diseased parts; shape as desired.

Repotting Guide
Best Season

Early spring before active growth begins.

Pot Size

Increase pot size by 2–3 inches in diameter; ensure good drainage holes.

Method

Remove plant gently; trim roots if necessary; repot in fresh, well-draining soil; water lightly.

Suggestions

Repot every 2–3 years or when roots fill the container; beneficial for container-grown plants.

Checklist

Choose appropriate pot; prepare fresh soil; handle roots carefully; water after repotting.

Advanced Care Tips

Watering Mastery
Watering Checklist

Check soil moisture; water deeply; ensure drainage; avoid wet foliage.

How to Apply Water Properly

Water at the base of the plant, ensuring moisture reaches the root zone; allow excess water to drain away; water in the morning to reduce evaporation and fungal risk.

Pro Tip: Use a watering can with a narrow spout to direct water precisely to the root zone.
Watering Schedule Tips

Water deeply once the top inch of soil is dry; reduce frequency in winter to prevent root rot.

Soil Improvement

Add compost or well-rotted manure; incorporate perlite or sand for drainage; ensure good aeration.

Temperature Stress Management
Signs of Temperature Issues

Wilting, yellowing leaves, or stunted growth in extreme heat; leaf drop or dieback in prolonged cold.

Cold Stress

Leaves may turn brown or drop; growth slows or halts; roots can be damaged in poorly drained soil during freeze.

Solution: Mulch heavily in fall; avoid overwatering before freeze; protect in containers by moving to sheltered locations.

Hot Stress

Leaves may scorch, wilt, or drop; flowering may be reduced; growth may become leggy.

Solution: Provide afternoon shade; increase watering frequency; use mulch to retain soil moisture; mist foliage during heatwaves.

Fertilizing Guide
Fertilizing Checklist

Use balanced fertilizer; apply in spring; avoid late-season feeding.

Fertilizing Method

Use a balanced, slow-release fertilizer in early spring; avoid high-nitrogen formulas; discontinue in late summer to prepare for dormancy.

Common Problems & Solutions

Yellow leaves in Securigera varia may indicate nutrient deficiencies, overwatering, or pest infestations such as aphids or spider mites, affecting overall plant health.

Wilting in Securigera varia can be caused by water stress, either due to under or overwatering, or root damage from pests or diseases, leading to reduced turgor pressure in the plant tissues.

Leaf spots on Securigera varia may be caused by fungal or bacterial infections, leading to reduced photosynthetic efficiency and potential defoliation if left untreated.

Rotting, particularly root or stem rot, in Securigera varia is often associated with excessive moisture and poor drainage, leading to decay of plant tissues and potential death of the plant.

Toxicity Warning

Cats
Slightly Toxic

Cats are also susceptible to mild toxicity from Securigera varia if they consume the plant. The seeds and roots are particularly problematic, potentially causing gastrointestinal issues and, in rare cases, liver-related complications.

⚠️ Symptoms:
vomiting diarrhea depression anorexia
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten

Prevent cats from accessing Crown Vetch. Seek veterinary care if ingestion is observed.
Dogs
Slightly Toxic

In dogs, ingestion of Securigera varia can lead to mild gastrointestinal upset. While not typically life-threatening, large quantities may cause more severe symptoms, including potential liver damage.

⚠️ Symptoms:
vomiting diarrhea lethargy loss of appetite
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten

Keep Crown Vetch out of reach of dogs. If ingestion is suspected, consult a veterinarian immediately.
Humans
Slightly Toxic

Securigera varia, commonly known as Crown Vetch, contains compounds that can cause mild gastrointestinal distress and potential liver issues if ingested in significant quantities. The plant's effects are generally not severe but can be problematic for individuals with pre-existing conditions.

⚠️ Symptoms:
nausea vomiting abdominal pain diarrhea
🌿 Toxic Parts:
seeds roots
⚡ Toxic If:

if eaten

Avoid consumption of Crown Vetch. Keep away from children and pets, especially the seeds and roots which are the most toxic parts.
Important: Keep this plant out of reach of children and pets. If ingestion occurs, contact poison control or veterinary services immediately.

Frequently Asked Questions

Q: Is Crownvetch invasive?

A: Yes, it can be invasive in some regions due to its aggressive spreading habit.

Q: Does Crownvetch attract wildlife?

A: Yes, it attracts bees, butterflies, and birds due to its nectar-rich flowers.

Q: Is Crownvetch suitable for erosion control?

A: Yes, its creeping stems and deep roots make it effective for stabilizing slopes and preventing soil erosion.

Quick Reference
Family: Fabaceae
Care: easy
Light: full sun to partial shade
Water: every 7–10 days during activ
Suitable For: ["busy people (low maintenance)","outdoor landscapers","wildlife supporters (attracts bees, butterflies, birds)"]
Get Expert Care Tips

Download the Plantious app for personalized care reminders and plant identification!

Google Play App Store
Share This Plant

Related Plants

Hairy Restharrow
View
Yellow Bird of Paradise
View
Agati
View
Golden Shrub Senna
View