Muhlenbergia capillaris Ruby - Pink Muhly Grass seeds
Muhlenbergia capillaris Ruby - Pink Muhly Grass seeds
Muhlenbergia capillaris Ruby - Pink Muhly Grass seeds
Muhlenbergia capillaris Ruby
Pink Muhly Grass, Hairy Awn Muhly, Gulf Muhly.
Delivery was fine, but what a surprise in the packet of seeds: 8 seeds instead of 20 – that makes the seed very expensive!!!! Apparently I'm not the only one. Sending out another packet of seeds would be a good commercial gesture, but I won't hold my breath.
Richard, 28/08/2025
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Description
Muhlenbergia capillaris 'Ruby', also known as capillary muhly, is a perennial grass that is extremely decorative with its pink, fluffy inflorescences that are admired in summer and early autumn. In the garden, this plant provides an airy texture and a unique colour. It is best placed in sunny borders, edges, and containers to create beautiful floral arrangements. Not only beautiful, this plant is also hardy and drought-resistant.
Muhlenbergia capillaris 'Ruby' belongs to the poaceae family, like many grasses. The species is native to North America and commonly found in meadows and open areas. The 'Ruby' cultivar was selected by Benary Seed in Germany for its uniform colour flowering and compact habit. The plant reaches a maximum height of 75 cm when flowering and a width of 50 cm. It forms a mound of green stems and fine, bluish-green leaves. The foliage persists through winter in mild regions but dries in cold climates. Flowering occurs from June to August, depending on the climate. It consists of terminal spikelets that open in late summer. The overall spikes create a cloud of pinkish-grey turning to shrimp pink above the foliage. Muhlenbergia capillaris 'Ruby' is hardy in USDA zones 6 to 10. This grass adapts to a wide range of soil pH, but prefers neutral to acidic soils.
Muhlenbergia capillaris 'Ruby' is used in borders, edges, and rock gardens where its fine texture and wonderful flowering make a statement. Its inflorescences are popular in bouquets. It harmonises well with asters for dry soil, Agastaches for dry conditions, lavenders, and other thymes. These plants share a preference for well-drained, even dry, soils and very sunny exposure.
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Muhlenbergia capillaris Ruby - Pink Muhly Grass seeds in pictures
Flowering
Foliage
Plant habit
Botanical data
Muhlenbergia
capillaris
Ruby
Poaceae
Pink Muhly Grass, Hairy Awn Muhly, Gulf Muhly.
Stipa capillaris
Cultivar or hybrid
Planting and care
Sowing: in spring or autumn, directly in the ground or in a seed tray, using a special seed compost.
A cold stratification period can be helpful: place the seeds of Muhlenbergia capillaris in a plastic bag with a bit of moist substrate and keep in the fridge for about 4 to 6 weeks. This mimics the winter conditions necessary to induce germination.
Sowing in the ground or in pots: seeds can be sown directly in the ground in spring or autumn. Scatter the seeds on well-prepared and refined soil and lightly cover them with soil. You can also sow them in trays or pots filled with seed compost and keep them indoors until conditions are more favourable outside.
The sowings should be placed in a sunny location. Water regularly to keep the soil slightly moist, but avoid excess moisture. Watering by soaking the pot in a saucer and/or by spraying helps avoid moving the seeds. In the ground, use a very fine watering can rose to avoid displacing the seeds. Germination can take 2 to 4 weeks, occurring between 13 and 18.5 °C.
Transplant the young plants when they are large enough to handle into individual pots with a 7.5 cm diameter. Acclimatise the young plants outdoors before transplanting them, in the ground or in pots, maintaining a distance of 45 to 60 cm between each.
Cultivation:
Plant Muhlenbergia capillaris 'Ruby' in full sun, in light, well-drained, even rather poor, and rocky or sandy soil, if possible not too calcareous. This grass grows well in moist, dry, or even very dry soil. It thrives easily, without issues and without maintenance. It only dislikes overly wet and clayey soils. Do not prune the foliage in winter, simply comb it by hand.
Sowing period
Intended location
Planting & care advice
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Hardiness is the lowest winter temperature a plant can endure without suffering serious damage or even dying. However, hardiness is affected by location (a sheltered area, such as a patio), protection (winter cover) and soil type (hardiness is improved by well-drained soil).
In temperate climates, pruning of spring-flowering shrubs (forsythia, spireas, etc.) should be done just after flowering.
Pruning of summer-flowering shrubs (Indian Lilac, Perovskia, etc.) can be done in winter or spring.
In cold regions as well as with frost-sensitive plants, avoid pruning too early when severe frosts may still occur.
The harvesting period indicated on our website applies to countries and regions in USDA zone 8 (France, England, Ireland, the Netherlands).
In colder areas (Scandinavia, Poland, Austria...) fruit and vegetable harvests are likely to be delayed by 3-4 weeks.
In warmer areas (Italy, Spain, Greece, etc.), harvesting will probably take place earlier, depending on weather conditions.
The sowing periods indicated on our website apply to countries and regions within USDA Zone 8 (France, UK, Ireland, Netherlands).
In colder areas (Scandinavia, Poland, Austria...), delay any outdoor sowing by 3-4 weeks, or sow under glass.
In warmer climes (Italy, Spain, Greece, etc.), bring outdoor sowing forward by a few weeks.
The planting period indicated on our website applies to regions in USDA Zone 9a (East Coast and Midlands: Dublin, Wexford, Waterford, Kilkenny, Portlaoise). It will vary depending on where you live:
- On the west coast and in the north-west (Galway, Limerick, Sligo, Donegal, Westport), delay planting by 1 to 2 weeks in spring and bring it forward by 1 to 2 weeks in autumn compared to the dates given, preferably choosing periods without strong winds.
- In the inland hills and plateaus (Wicklow Mountains, Macgillycuddy’s Reeks, Connemara, Killarney), it is best to plant in spring (April–May) or autumn (September–October), avoiding periods of waterlogged soil in winter and strong winds, which pose the main risk to newly planted trees in these areas.
The flowering period indicated on our website applies to regions in USDA Zone 9a, such as the East Coast and Midlands, including Dublin, Wexford, Waterford, Kilkenny and Portlaoise.
This will vary depending on where you live:
- On the west coast and in the northwest (Galway, Limerick, Sligo, Donegal and Westport), it will be delayed by one to two weeks compared to the given dates, due to stronger Atlantic winds and less spring sunshine.
- In the inland hills and plateaus (the Wicklow Mountains, the Macgillycuddy's Reeks, Connemara and Killarney), flowering will be delayed by two to three weeks. Flowering mainly occurs between May and July, with the limiting factors being less frost and more of the excessive humidity, strong winds and lack of sunshine that are characteristic of these areas.
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