Running Postman Native Seeds
Grow a distinctive Australian native groundcover with brilliant scarlet pea-shaped flowers and attractive trailing foliage. Running Postman (Kennedia prostrata) is a low-growing perennial native plant suited to rockeries, embankments, native gardens, retaining walls and other areas where a spreading groundcover is required.
Running Postman develops long, trailing stems with distinctive three-part leaves and bright red flowers with contrasting yellow markings. The stems can spread across the ground or trail over edges, creating an attractive display during flowering.
Once established in a suitable position, Kennedia prostrata can tolerate periods of dry conditions and is a useful choice for Australian native and wildlife-friendly gardens.
Running Postman Seed Details
| Botanical name | Kennedia prostrata |
|---|---|
| Common name | Running Postman, Scarlet Coral Pea |
| Family | Fabaceae |
| Plant type | Prostrate or trailing perennial groundcover |
| Flower colour | Scarlet red with yellow markings |
| Growth habit | Low-growing, creeping and spreading |
| Approximate spread | Approximately 1–4 metres under suitable conditions |
| Position | Full sun to light or partial shade |
| Soil | Well-drained soil |
| Seed treatment | Hot-water treatment or scarification recommended |
| Approximate sowing depth | Approximately one seed-width deep |
| Uses | Native gardens, groundcover, rockeries, embankments, containers and trailing displays |
Why Grow Running Postman?
- Australian native perennial groundcover.
- Produces striking scarlet-red pea-shaped flowers.
- Forms spreading and trailing stems suitable for covering open ground.
- Useful for rockeries, slopes, embankments and retaining walls.
- Can also trail from large containers and hanging baskets.
- Suitable for full sun to partially shaded positions.
- Can tolerate periods of dry conditions once established.
- Useful for native, habitat and wildlife-friendly garden designs.
How to Grow Running Postman from Seed
Running Postman seeds have a hard outer seed coat that can restrict water uptake. Pre-treatment before sowing can significantly improve the chances of successful germination.
- Pre-treat the seed.
Place the seeds in a heat-resistant container and carefully pour just-boiled water over them. Allow the seeds to soak as the water cools, ideally for approximately 12–24 hours. - Check the seed after soaking.
Seeds that have absorbed water should become noticeably swollen. Seeds that remain hard may require another hot-water treatment or careful mechanical scarification of the seed coat. - Prepare the seed-raising mix.
Use a clean, free-draining seed-raising medium in pots, tubes or propagation trays. Moisten the mix before sowing without leaving it saturated. - Sow the seed shallowly.
Place the swollen seed into the growing medium and cover to approximately the depth of the seed itself. Avoid deeply burying the seed. - Keep evenly moist.
Maintain consistent moisture while germination takes place, but avoid waterlogged conditions that can reduce oxygen around the developing roots. - Protect young seedlings.
Keep newly germinated plants in a bright but protected position while they develop their first true leaves and establish a stronger root system. - Gradually introduce stronger light.
Harden seedlings gradually before planting them into their permanent position, particularly if they have been raised under protected conditions. - Plant into well-drained soil.
Choose a sunny to lightly shaded position with good drainage. Water regularly during establishment, then reduce watering as the plants develop stronger root systems.
Why Does Running Postman Seed Need Hot-Water Treatment?
Running Postman belongs to the legume family, Fabaceae. Like many Australian native legumes, its seeds develop a hard coat that can prevent water from entering the seed.
This physical dormancy allows seed to remain viable in the environment until conditions favour germination. Hot-water treatment or careful scarification creates a pathway for moisture to enter the seed and begin the germination process.
After soaking, look for seeds that have increased in size. Swollen seed has generally absorbed water and is ready for sowing. Seed that remains unchanged may need to be treated again.
Where to Grow Running Postman
Kennedia prostrata is naturally prostrate and spreading, making it particularly useful where a low-growing Australian native plant is required.
- Native gardens: combines naturally with Australian grasses, shrubs and flowering species.
- Rockeries: trailing stems can spread between rocks and over edges.
- Embankments and slopes: useful where a spreading groundcover is wanted.
- Retaining walls: stems can cascade attractively over wall edges.
- Large containers: suitable for trailing from raised pots or tubs.
- Habitat gardens: flowers and foliage can contribute to a diverse native planting.
Running Postman Flowers
Running Postman is best known for its bright scarlet pea-shaped flowers. The flowers are carried along the trailing stems and typically display a contrasting yellow marking near the base.
Flowering is generally strongest from late winter through spring, although the exact timing varies with climate and local growing conditions. Plants grown in favourable conditions may continue producing flowers outside the main flowering period.
The vivid flowers stand out strongly against the plant’s soft green, three-part foliage, making Running Postman particularly attractive when planted where its stems can spread naturally.
Running Postman as a Native Groundcover
Unlike upright flowering shrubs, Kennedia prostrata develops long stems that spread horizontally across the ground. Mature plants may spread several metres where conditions allow.
This makes the species useful for filling open areas between larger native plants, spilling down slopes or softening the edges of rocks, walls and raised garden beds.
Running Postman should not be treated as a traffic-tolerant lawn substitute. It is better suited to garden areas where the trailing stems can spread without being regularly walked on.
What Soil Is Best for Running Postman?
Running Postman is adaptable to a range of soil textures, but good drainage is important. Plants can be grown in sandy, loamy and suitable clay-based soils provided water does not remain stagnant around the roots.
When growing in containers, use a free-draining potting medium and ensure drainage holes remain unobstructed.
New seedlings require more consistent moisture while their root systems establish. Mature plants generally become more tolerant of dry periods once well established.
Running Postman for Native and Wildlife Gardens
Running Postman is well suited to mixed Australian native gardens because its low growth habit can occupy the ground layer beneath taller shrubs and grasses.
The species is also associated with native wildlife. Its foliage can provide habitat and food for native butterfly and moth caterpillars, while the flowers contribute another flowering species to diverse garden plantings.
For the greatest habitat value, combine Running Postman with a range of locally appropriate native plants that flower at different times of the year.
Tips for Growing Running Postman Successfully
- Pre-treat the hard-coated seed before sowing.
- Use a clean, free-draining seed-raising mix.
- Do not bury the seed deeply.
- Keep the growing medium consistently moist during germination without waterlogging it.
- Protect small seedlings from severe heat and drying winds.
- Gradually acclimatise propagated seedlings before planting outside.
- Choose a sunny to partially shaded position with reliable drainage.
- Water during establishment, particularly during dry weather.
- Allow enough space for the plant’s naturally spreading growth habit.
Frequently Asked Questions
What is Running Postman?
Running Postman is the common name for Kennedia prostrata, an Australian native perennial groundcover in the Fabaceae family. It develops trailing stems, three-part leaves and distinctive scarlet pea-shaped flowers.
Is Running Postman native to Australia?
Yes. Kennedia prostrata is an Australian native species occurring naturally across much of southern and eastern Australia.
Does Running Postman need seed treatment before sowing?
Yes. The seeds have a hard outer coat and generally benefit from hot-water treatment or scarification before sowing. This allows water to penetrate the seed and helps overcome physical dormancy.
How do I hot-water treat Running Postman seeds?
Place the seed in a heat-resistant container, pour just-boiled water over it and allow the seed to soak as the water cools for approximately 12–24 hours. Sow swollen seeds and consider re-treating seeds that remain hard and unchanged.
How deep should Running Postman seeds be planted?
Sow relatively shallowly and cover with approximately one seed-width of seed-raising mix. Avoid burying the seed deeply.
How long does Running Postman take to germinate?
Pre-treated seed may begin germinating within approximately two to four weeks under suitable conditions, although germination can be variable and some seeds may take longer.
Does Running Postman prefer sun or shade?
Running Postman can grow in full sun to partial or dappled shade. Flowering and growth will vary according to local climate, soil moisture and the amount of light available.
How big does Running Postman grow?
Running Postman remains very low but develops long trailing stems. Established plants may spread approximately 1–4 metres depending on growing conditions.
Can Running Postman be grown in pots?
Yes. Its trailing habit makes it suitable for large containers and raised planters where the stems can spill over the sides. Use a free-draining growing medium and avoid prolonged waterlogging.
Can Running Postman be used as a lawn?
Running Postman can cover open ground but is not a conventional lawn plant and is not suitable for frequent foot traffic. It is better used as an ornamental native groundcover.
Is Running Postman drought tolerant?
Established plants can tolerate periods of dry conditions, but seedlings and newly transplanted plants require more consistent moisture while their root systems develop.
Is Running Postman frost tolerant?
The species can tolerate some frost, although severe conditions may damage above-ground growth. Plants may recover from established root systems when conditions improve.
When does Running Postman flower?
Flowering is commonly concentrated from late winter through spring, although timing varies considerably between regions and growing conditions.
Does Running Postman attract wildlife?
Running Postman can contribute to wildlife-friendly native plantings. It is recognised as a food plant for caterpillars of some native butterflies and moths, while its flowers add seasonal resources and habitat diversity to the garden.
Grow Running Postman in an Australian Native Garden
With its spreading habit, distinctive foliage and brilliant scarlet flowers, Kennedia prostrata is a useful native plant for rockeries, slopes, garden edges, containers and mixed Australian landscapes.
For best results, pre-treat the seed before sowing, establish seedlings in a free-draining growing medium and choose a permanent position where the stems have room to spread.
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