Black prairie clover (Dalea frutescens)

Also known as: Black Dalea, Black Dalea Bush

The plant you're referring to is likely the Black Prairie Clover (Dalea enneandra). This hardy shrub thrives in arid conditions, utilizing its deep roots for optimal water absorption. It flourishes in full sunlight and features delicate green foliage. In spring, it bursts into vibrant purple blooms, attracting numerous pollinators. Its compact size makes it an excellent choice for water-efficient gardens.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Black prairie clover

Lifespan

Perennial

Plant Type

Shrub

Plant Height

30 cm to 91 cm

Spread

1.2 m

Leaf Color

Green

Flower Size

0.5 to 1 inch (1.3 to 2.5 cm)

Flower Color

Purple

Images of Black prairie clover

Quickly Identify Black prairie clover

Dalea frutescens can be identified by its pinnate leaves, which are composed of 5 to 9 small leaflets, and its dense clusters of bright purple flowers that bloom primarily in the fall.

Scientific Classification of Black prairie clover

Phylum

Vascular plants

Class

Dicotyledons

Order

Fabales

Family

Legume

Genus

Prairie clover

Species

Black prairie clover

Planting and Growing of Black prairie clover

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Full sun

Sunshine Duration

6-8 hours

Ideal Temperature

65-85℉

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

Terracotta, Plastic

How to Water Black prairie clover?

Dalea frutescens thrives best when watered deeply but infrequently. Each watering session should provide approximately 500 milliliters of water, enough to moisten the soil thoroughly but not so much that it's soggy. Ensure the water penetrates down to the deeper roots, which encourages healthy root growth and resilience.

What are the symptoms of an underwatered Black prairie clover? ›

What should I do if my Black prairie clover is not getting enough water? ›

What are the symptoms of an overwatered Black prairie clover? ›

How to save an overwatered Black prairie clover? ›

What Are the Sunlight Requirements for Black prairie clover?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Dalea frutescens thrives best with full to partial sun, preferably 6 to 8 hours daily. This light range ensures the plant can maintain robust health, with frequent, vibrant flowering contributing greatly to its aesthetic and ecological presence.

How to Achieve Ideal Light for Dalea frutescens? ›

Should Dalea frutescens Be Protected from Excessive Sunlight? ›

What Are the Benefits of Optimal Light for Dalea frutescens? ›

What Is the Ideal Temperature Range for Black prairie clover?

Ideal Temperature: 65 ~ 85℉

Dalea frutescens thrives in a temperature range between 65°F and 85°F. Maintaining this range will ensure proper photosynthesis and metabolic processes, promoting healthy growth and development.

What Soil is Best for Black prairie clover?

Soil type: Sandy soil, Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Dalea frutescens thrives in well-drained soils, which prevents root rot and other diseases. Ensuring good drainage enables the roots to access the oxygen they need, fostering healthy growth and vibrant blooms. While not particularly nutrient-demanding, Dalea frutescens benefits from soils with a moderate organic matter content. This enriches the plant's growth and bloom quality by supplying essential nutrients gradually. This plant favors loamy and sandy textures that create a favorable environment for root expansion. The balanced mixture of soil particles encourages strong root establishment and stability.

How to Fertilize Black prairie clover?

Fertilizer type: Balanced

Dalea frutescens, commonly known as black dalea, thrives on moderate fertilization. For optimal growth, use a balanced liquid fertilizer with an NPK ratio of 10-10-10, diluted to half-strength. Apply 500 ml per square meter each time during active growing months to provide necessary nutrients without overwhelming the plant.

How to Prune Black prairie clover?

Pruning Time: Spring, Summer

While it's beneficial to prune Dalea frutescens regularly, avoid cutting back more than one-third of the plant at any time. Over-pruning can shock the plant and diminish its ability to recover promptly. Prune during the recommended seasons, mainly spring and summer, as this is when the plant exhibits vigor in growth, making recovery quicker and more efficient. More About Pruning Techniques→

How to Propagate Black prairie clover plant?

Propagate Time: Spring, Early summer

Collect mature seeds from a healthy Dalea frutescens plant. Clean and dry the seeds thoroughly before sowing to avoid fungal diseases.

Select healthy, non-flowering stems from the plant for cuttings. Cut a 4 to 6-inch section and remove the leaves from the lower half to prevent rot.

Place the cuttings in a growing medium like perlite or sandy soil, ensuring at least half of the cutting is buried. For seeds, sow them 1/4 inch deep in a seed tray.

More About Propagating Techniques→

How to Repot Black prairie clover plant?

Repotting frequency: Every 2-3 years

Repot your Dalea frutescens when you notice roots starting to emerge from the pot's drainage holes or when growth seems stunted. These signs indicate your plant has outgrown its container and needs more room to flourish. Ideally, you should aim to repot it during the active growing season for the best results.

Select a new pot that is one size larger than the current one. Ensure it has ample drainage holes to allow excess water to escape, preventing root rot. The material of the pot can be clay for better aeration, which is beneficial in preventing over-watering, a common problem for Dalea frutescens.

Opt for a well-draining sandy soil mix, which mimics the plant's natural habitat and promotes healthy root development. A mix that's too rich can hold too much moisture, leading to fungal problems, so precision here is key for a thriving plant.