Indian milkvetch (Astragalus australis)

Also known as: Yellow Milk Vetch, Bering Milk Vetch

Indian Milkvetch (Astragalus australis) belongs to the legume family and displays milk-white flowers that appear on upland and coastal ridges. This plant was traditionally cultivated by the Cree and Stone indigenous peoples of North America. Its blossoms are known to attract butterflies.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Indian milkvetch

Lifespan

Perennial

Plant Type

Herb

Plant Height

10-30 cm

Spread

Not typically measured for this plant.

Leaf Color

Green

Flower Size

0.5-1 cm

Flower Color

White Purple

Images of Indian milkvetch

Quickly Identify Indian milkvetch

To identify Astragalus australis, look for pinnate leaves with multiple leaflets, bright yellow flowers, and dense racemes. The plant often has hairy stems and a sprawling growth habit.

Scientific Classification of Indian milkvetch

Phylum

Vascular plants

Class

Dicotyledons

Order

Fabales

Family

Legume

Genus

Milkvetch

Species

Indian milkvetch

Planting and Growing of Indian milkvetch

Care Difficulty

Easy

Watering Schedule

Every 2 days

Sunlight Requirements

Partial sun

Sunshine Duration

6-10 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 Indian milkvetch?

Astragalus australis prefers deep, infrequent watering. Water until the soil is saturated but not waterlogged. This ensures the roots receive ample moisture without suffocating from excess water.

What are the symptoms of an underwatered Indian milkvetch? ›

What should I do if my Indian milkvetch is not getting enough water? ›

What are the symptoms of an overwatered Indian milkvetch? ›

How to save an overwatered Indian milkvetch? ›

What Are the Sunlight Requirements for Indian milkvetch?

Sunlight Requirements: Partial sun, Full sun

Duration of light: 6 to 8 hours

Astragalus australis thrives under partial to full sun exposure. This ideal range aids in strong plant growth, vibrant color, and robust flowering, maximizing its ornamental and health benefits.

What kind of sunlight does Astragalus australis prefer? ›

How can I achieve ideal lighting for Astragalus australis? ›

What benefits does Astragalus australis gain from ideal lighting? ›

What Is the Ideal Temperature Range for Indian milkvetch?

Ideal Temperature: 60 ~ 75℉

The ideal temperature range for Astragalus australis is between 60°F to 75°F. This temperature range supports optimal growth, ensuring proper leaf development, flowering, and root establishment. Maintaining temperatures within this range helps prevent potential stress factors such as wilting or fungal diseases.

What Soil is Best for Indian milkvetch?

Soil type: Loam, Sandy loam, Sandy soil

Soil PH: 6.5 ~ 7.5

Astragalus australis thrives in well-drained soil, which prevents water from stagnating around the roots, reducing the risk of rot. This soil quality is crucial for healthy root development and overall plant vitality. The plant prefers soil with moderate nutrient levels that support its growth without overwhelming it with too much fertility. Balanced nutrients ensure steady growth and enhance the plant's ability to cope with different environmental conditions. Soil that allows for good air circulation is essential for this plant. Sufficient aeration aids root respiration and nutrient uptake, which are vital for the plant's health and resilience against diseases.

How to Fertilize Indian milkvetch?

Fertilizer type: Balanced

For Astragalus australis, fertilization should be moderate. Use approximately half the recommended dosage of a balanced 10-10-10 liquid fertilizer during the growth period. Over-fertilization can lead to salt build-up and harm the plant's roots.

How to Prune Indian milkvetch?

Pruning Time: Spring, Summer

Before starting, gather sharp pruning shears, gloves, and disinfectant. Proper tools prevent tearing of plant tissues and limit disease spread. Disinfect tools before and after use to maintain plant health. Begin by identifying dead or damaged branches and remove them close to the base without cutting into the main stem. Thin out crowded areas to improve air circulation. Aim for a natural shape and consult plant-specific manuals for detailed pruning patterns. More About Pruning Techniques→

How to Propagate Indian milkvetch plant?

Propagate Time: Spring, Early spring

Begin by filling a seed tray with a well-draining potting mix. Sow the seeds on the surface and lightly cover them with soil. Ensure consistent moisture without waterlogging to promote germination.

Once seedlings emerge, ensure they receive adequate light and water. Keep the soil slightly damp and maintain optimal temperature. It's important to transplant them when they have several true leaves.

Carefully dig up the mature plant without disturbing the root system too much. Use a sharp knife to divide the root ball into smaller sections, ensuring each has sufficient roots and shoots for growth.

How to Repot Indian milkvetch plant?

Repotting frequency: Every 1-2 years

Repot Astragalus australis when you notice it becoming root-bound or when growth slows. Look for roots poking out the drainage holes or water pooling on the surface, indicating poor drainage due to root congestion.

Select a pot that is 1-2 inches larger in diameter than the current one. Ensure it has sufficient drainage holes to prevent waterlogging. A slightly larger pot promotes root expansion, supporting robust plant growth.

Choose a well-draining sandy soil mix that retains just enough moisture without becoming waterlogged. This type of soil replicates its natural habitat, allowing for optimal root aeration and preventing root rot.