French honeysuckle (Hedysarum coronarium)

Also known as: French Honeysuckle, Sulla

French honeysuckle (Hedysarum coronarium) is highly valued in agriculture, particularly in the Mediterranean Basin, for its versatile applications. It serves as an excellent forage crop, providing nutritious feed for livestock. Its adaptability and drought resistance make it increasingly popular in various regions beyond its native range. Additionally, French honeysuckle plays a key role in soil erosion prevention, thanks to its strong root system. It also supports honey production by attracting pollinators, further enhancing its agricultural benefits.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of French honeysuckle

Lifespan

Perennial

Plant Type

Herb

Plant Height

91 cm to 1.2 m

Spread

60 cm

Leaf Color

Green Blue Gray Silver

Flower Size

1-2 centimeters

Flower Color

Red Purple

Images of French honeysuckle

Quickly Identify French honeysuckle

Identify Hedysarum coronarium by its distinctive bright red, pea-like flowers that bloom in clusters. The leaves are pinnate with small, oval leaflets. Another key identifier is its robust, upright growth and hairy stems.

Scientific Classification of French honeysuckle

Phylum

Vascular plants

Class

Dicotyledons

Order

Fabales

Family

Legume

Genus

Sweetvetches

Species

French honeysuckle

Planting and Growing of French honeysuckle

Care Difficulty

Easy

Watering Schedule

Every 4 days

Sunlight Requirements

Full sun

Sunshine Duration

4-6 hours

Ideal Temperature

60-75℉

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 French honeysuckle?

Hedysarum coronarium requires a careful balance when it comes to watering. Each watering session should provide around 500 ml of water, allowing the soil to absorb moisture thoroughly but not to the point of saturation. Ensure the top 1-2 inches of soil dry out before watering again, as overly wet conditions can harm the roots.

What are the symptoms of an underwatered French honeysuckle? ›

What should I do if my French honeysuckle is not getting enough water? ›

What are the symptoms of an overwatered French honeysuckle? ›

How to save an overwatered French honeysuckle? ›

What Are the Sunlight Requirements for French honeysuckle?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6-8 hours daily

Hedysarum coronarium benefits from full sun exposure, thriving in bright to moderate lighting conditions. This light level stimulates blooming and maintains plant health and vitality.

What amount of sunlight does Hedysarum coronarium prefer? ›

How can we ensure ideal lighting for Hedysarum coronarium? ›

What are the benefits of providing optimal light to Hedysarum coronarium? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for French honeysuckle?

Ideal Temperature: 60 ~ 75℉

Hedysarum coronarium thrives best in temperatures ranging from 60°F to 75°F. This ideal range supports optimal growth and flowering, providing the conditions necessary for robust health and vitality. Ensuring the temperature within this bracket helps in maintaining the plant's physiological processes without stress.

What Soil is Best for French honeysuckle?

Soil type: Loam, Calcareous soil

Soil PH: 6.5 ~ 7.5

Hedysarum coronarium thrives in soils that allow water to drain easily. Well-drained soil prevents root rot and ensures the plant remains aerated, promoting vigorous growth and healthy roots. This plant benefits from soil rich in organic matter and nutrients. Nutrient-rich soil supports robust flowering and growth, providing essential minerals and stability for Hedysarum coronarium. Consistent moisture without waterlogging promotes optimal growth. Maintaining moderate moisture levels helps the plant absorb nutrients effectively and sustain its bloom potential.

How to Fertilize French honeysuckle?

Fertilizer type: Balanced

For Hedysarum coronarium, the fertilization amount should be moderate to ensure optimal growth. Use approximately 100-150 grams of balanced NPK (Nitrogen-Phosphorus-Potassium) fertilizer per square meter of soil. This amount provides a balanced nutrient supply without causing root burn or excessive foliage growth.

How to Prune French honeysuckle?

Pruning Time: Spring, Summer

Ensure all tools used for pruning, such as shears and scissors, are sterilized before use. This prevents any infection or disease transmission between plants, ensuring Hedysarum coronarium remains healthy. While pruning is beneficial, over-pruning can stress the plant. It's crucial to leave adequate foliage, allowing for enough photosynthesis to support the plant's health and future growth. More About Pruning Techniques→

How to Propagate French honeysuckle plant?

Propagate Time: Spring, Early spring, Late spring

Harvest seeds from mature Hedysarum coronarium plants when the pods have turned brown and dry. This typically occurs in late summer or early autumn. Gently remove the seeds from the pods, ensuring they are clean and free from debris before storage.

Sow the collected seeds in seed trays filled with a suitable soil mixture. Ensure seeds are evenly spaced and lightly covered with soil. Maintain consistent moisture by watering gently, taking care not to disturb the seeds.

Once seedlings have developed a couple of true leaves and the risk of frost has passed, they can be transplanted to their permanent location. Ensure the soil is well-prepared and water immediately after transplanting to help them establish.

More About Propagating Techniques→

How to Repot French honeysuckle plant?

Repotting frequency: Every two years

Repotting Hedysarum coronarium is best done when you notice its roots crowding out of the drainage holes or if growth has significantly slowed. These signs usually indicate that the plant has outgrown its current pot.

Choose a pot that is about 2-3 inches larger in diameter than the current one. Ensure it has good drainage holes to prevent waterlogging, which could harm Hedysarum coronarium’s roots. The right pot size encourages optimal growth and prevents root-bound conditions.

Opt for a well-draining, sandy loam soil mix. This type of soil ensures that excess moisture can escape, which is crucial for preventing root rot and promoting healthy root development in Hedysarum coronarium.