Carbeth Plants Sisyrinchium Bellum - 1L Pot

Blue Eyed Grass is an evergreen perennial that produces delicate, star-shaped, sky-blue flowers du...

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B&QB&Q - 1 X Sisyrinchium Bellum In 1L PotHardy Blue Eyed Grass Garden Flowering Perennial Shrub For BordersRock Gardens & Watersides
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Carbeth PlantsCarbeth Plants Sky Blue/Yellow Sisyrinchium Bellum
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The Carbeth Plants Sisyrinchium Bellum, commonly known as Blue Eyed Grass, is an ideal choice for gardeners of all experience levels looking to add seasonal color to rock gardens, borders, or waterside landscapes. This evergreen perennial offers the primary benefit of being exceptionally low-maintenance and drought-tolerant once established, providing a reliable splash of star-shaped, sky-blue flowers every spring and summer. While it is highly adaptable, users should note that it requires consistent full sun and well-draining soil to prevent issues with moisture-related root health.

All features

Model Part NumberSISYRINBLUM1L-1
BrandCarbeth Plants

Extended Product Information

FAQs

Is Sisyrinchium Bellum frost hardy?

Yes, it is a hardy perennial and can withstand typical regional winters, remaining evergreen throughout.

How often should I water my Blue Eyed Grass?

Water regularly during the first growing season. Once established, it becomes quite drought-tolerant and only requires watering during extended dry spells.

Can I grow this in a container?

Absolutely. Use a high-quality, free-draining potting mix and ensure the pot has adequate drainage holes.

Does it need fertilizer?

It generally does not require heavy fertilization. A light application of balanced organic compost in early spring is sufficient.

When is the best time to prune?

Prune back any dead or unsightly foliage in late winter or very early spring before new growth begins.

Troubleshooting

Flowers are failing to bloom

The plant is likely not receiving enough sunlight; relocate it to a spot with full sun exposure.

Leaves turning yellow or brown

Check soil drainage; if the ground is waterlogged, improve drainage by adding aggregate or moving the plant to a raised area.

Plant looks stunted

Ensure it is not being crowded by larger, faster-growing shrubs; thin out surrounding vegetation to increase airflow and light access.

Pros and Cons

Pros

  • Extremely low-maintenance and beginner-friendly
  • Provides consistent seasonal color with blue blooms
  • Attracts essential pollinators to the garden
  • Adaptable to different landscape types like rock gardens or watersides
  • Hardy plant with reliable evergreen foliage

Cons

  • Requires full sun for optimal flowering
  • Does not thrive in boggy or waterlogged soil
  • Growth may be slow in heavily shaded environments

Setup, Compatibility & Care

To ensure your Blue Eyed Grass thrives, select a planting site that receives at least six to eight hours of direct sunlight daily. Before planting, amend heavy clay soils with grit or organic compost to improve drainage, as the roots are sensitive to standing water. Dig a hole twice the width of the 1L pot, place the plant at the same depth it was in the nursery container, and backfill with native soil. Water thoroughly immediately after planting. For long-term care, prune away any damaged or faded foliage in late winter to make room for new spring growth, and apply a thin layer of mulch to conserve moisture while keeping the crown of the plant clear.

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