Okie bean (Dipogon lignosus)

Also known as: Australian pea vine, Mile-a-minute vine

Dipogon lignosus, also known as the Okie Bean or Cape Sweet Pea, is a climbing perennial indigenous to South Africa. It thrives near rivers and forest peripheries. Notably, it has become invasive in regions like Australia and New Zealand. Its seed pods can burst open, aiding in seed dispersal, and the seeds have the ability to remain dormant in the soil for multiple years before germinating.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting Toxicity

Attributes of Okie bean

Lifespan

Perennial

Plant Type

Herb, Vine

Plant Height

2 m

Spread

60 cm

Leaf Color

Green

Flower Size

25 cm

Flower Color

Pink Purple

Images of Okie bean

Quickly Identify Okie bean

Look for woody stems and trifoliate leaves, each consisting of three leaflets. The flowers are typically pink, purple, or white and grow in clusters. The pods are elongated and contain several seeds. The vine can grow vigorously and may become invasive in suitable climates.

Scientific Classification of Okie bean

Phylum

Vascular plants

Class

Dicotyledons

Order

Fabales

Family

Legume

Genus

Dipogon

Species

Okie bean

Planting and Growing of Okie bean

Care Difficulty

Easy

Watering Schedule

Every 3 days

Sunlight Requirements

Full sun

Sunshine Duration

6-10 hours

Ideal Temperature

60-80℉

Soil Type

Potting Mix, Peat Mix

Soil pH

5.5-7.5

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 Okie bean?

For Dipogon lignosus, ensure that the soil is consistently moist but not soggy. Watering with about 250 ml per session is typically sufficient, ensuring that the top inch of soil feels moist to the touch. During warmer months, more frequent watering may be necessary.

What are the symptoms of an underwatered Okie bean? ›

What should I do if my Okie bean is not getting enough water? ›

What are the symptoms of an overwatered Okie bean? ›

How to save an overwatered Okie bean? ›

What Are the Sunlight Requirements for Okie bean?

Sunlight Requirements: Full sun, Partial sun

Duration of light: 6 to 8 hours

Full sun or partial sun conditions suit Dipogon lignosus best, supporting its growth and floral display. Ample light ensures stronger, more abundant flowering and healthier foliage.

Where should I position my Dipogon lignosus? ›

Can it thrive in shaded areas? ›

How do I maximize light exposure? ›

What Is the Ideal Temperature Range for Okie bean?

Ideal Temperature: 60 ~ 80℉

The ideal temperature range for growing Dipogon lignosus is between 60°F and 80°F. This range ensures optimal growth and flowering, providing the necessary warmth without overheating the plant.

What Soil is Best for Okie bean?

Soil type: Loam, Sandy loam

Soil PH: 5.5 ~ 7.5

Ensuring good drainage is crucial for Dipogon lignosus as it prevents root rot and waterlogged conditions, promoting healthy root development and overall plant vigor. This plant thrives in soil enriched with organic matter. Nutrient-rich soils provide essential minerals that support robust growth and vibrant foliage. While the soil should drain well, it should also retain some moisture to sustain the plant between waterings, ensuring consistent hydration for optimal growth.

How to Fertilize Okie bean?

Fertilizer type: Balanced

For Dipogon lignosus, a moderate amount of fertilizer is optimal. Use around half the recommended dose on the package, as this plant is relatively adaptable and can thrive in less nutrient-dense soils. Over-fertilizing can lead to excessive leaf growth at the expense of flowers.

How to Prune Okie bean?

Pruning Time: Spring, Summer, Autumn, Winter

When pruning Dipogon lignosus, use sharp secateurs or garden shears. This ensures clean cuts that minimize damage to the plant tissue and promote quicker healing. Dull tools can crush the stems, increasing vulnerability to diseases. Inspect the plant to identify any dead, damaged, or overgrown stems. Dead stems will often appear brown or black. Removing these helps increase airflow and light penetration, which is crucial for the plant's overall health. Cut back any excessive growth to maintain the desired shape and size of your Dipogon lignosus. This vine can be very vigorous, so maintain a balance between structure and foliage by selectively removing shoots that disrupt its shape. Try to ensure the canopy remains even and dense by selectively using thinning cuts. This helps avoid leggy growth and maintains a full-looking plant, enhancing its ornamental appearance and flowering potential. More About Pruning Techniques→

How to Propagate Okie bean plant?

Propagate Time: Spring, Early spring, Late spring

Soak seeds in warm water for 24 hours before planting to encourage germination. This step is essential as it helps soften the seed coat and allows for quicker sprouting.

Select healthy, non-flowering stems and cut segments about 10-12 cm long. Remove leaves from the bottom half and dip the cut end in rooting hormone to stimulate root growth.

Plant the seeds or cuttings in a well-draining potting mix, keep the soil moist but not waterlogged. Place in a well-lit area but away from direct sunlight to prevent drying out.

More About Propagating Techniques→

How to Repot Okie bean plant?

Repotting frequency: Every 2-3 years

Dipogon lignosus shows signs of needing a new pot when roots start to poke out from the drainage holes, or the plant's growth seems stunted even with regular care. These indicators suggest that the plant has outgrown its current pot and requires a more spacious home to thrive.

Choose a pot that is one size larger than the current one, ensuring it has adequate drainage holes. The extra space will allow roots to expand comfortably, encouraging robust growth. A terracotta pot is an excellent option as it helps regulate moisture, preventing overwatering.

Select a well-draining loamy mix to suit the plant's preference for not sitting in water. Adding perlite or coarse sand to the soil ensures good aeration and drainage, which are crucial for preventing root rot and ensuring healthy root development.

Toxicity

Ingestion of seeds or plant parts

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.