Ophiopogon planiscapus 'Planiscapus Nigrescens' Hardy Evergreen Perennial - 3 x 9cm Plants
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This guide is for gardeners seeking a low-maintenance, striking evergreen perennial to add architectural interest to their beds, borders, rock gardens, or containers. The key benefit is its unique, deep black foliage and hardy nature, providing year-round visual appeal. A minor caveat is its susceptibility to slugs. This plant forms tufts of leathery, narrow black leaves and produces delicate mauve-to-white flowers in summer, followed by glossy black berries.
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| Model Part Number | Ophiopogon planiscapus 'Planiscapus Nigrescens' |
|---|---|
| Brand | Marshalls Garden |
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FAQs
How tall does Ophiopogon planiscapus 'Planiscapus Nigrescens' grow?
It typically reaches a height of 0.1 to 0.5 meters, forming clumps of leathery leaves.
What kind of soil does this plant need?
It prefers rich, fertile, well-drained soil with an acid to neutral pH.
Can this plant survive cold winters?
Yes, it is a hardy perennial with a rating of H4, meaning it can tolerate temperatures down to -10°C.
When is the best time to plant it?
The ideal planting time is from September to November.
Does it need regular pruning?
Generally, no pruning is required. You may remove any dead or damaged foliage if necessary.
What are the flowers and berries like?
In summer, it produces small, bell-shaped flowers in shades of mauve to white, which are followed by glossy black berries.
What common pests should I watch out for?
The main pest to watch for is slugs, which may attack the foliage.
Troubleshooting
Leaves turning pale or losing dark color.
Ensure the plant is receiving adequate sunlight (full sun or part shade) and is planted in fertile soil. Poor nutrition or insufficient light can affect foliage color.
Holes or slime trails on leaves.
This is likely slug damage. Apply slug pellets or barriers around the plants, especially during damp conditions. Handpick slugs at night if possible.
Plant seems waterlogged or roots are rotting.
Improve soil drainage by amending with grit or organic matter. Ensure the planting location is not prone to standing water.
Slow or no growth.
Ensure the plant is in appropriate soil conditions (fertile, well-drained, acid to neutral pH) and receiving the correct amount of light. Establishment can take time.
Pros and Cons
Pros
- Unique and dramatic black foliage adds significant visual impact.
- Evergreen nature ensures garden interest throughout the year.
- Hardy and low-maintenance, requiring minimal upkeep.
- Versatile for various planting situations, from borders to containers.
- Attractive summer flowers and ornamental berries.
Cons
- Can be susceptible to slug damage.
- Prefers specific soil conditions (rich, fertile, well-drained, acid to neutral pH).
- Growth rate is slow, taking time to establish a full clump.
Setup, Compatibility & Care Instructions
Planting:
- Choose a location with rich, fertile, well-drained soil.
- Ensure the soil pH is acid to neutral.
- The plant prefers full sun or partial shade.
- Plant between September and November for best establishment.
- Space plants according to desired density; they will form clumps over time.
Care:
- Watering: Water regularly after planting until established. Once established, it is relatively drought-tolerant but benefits from occasional watering during dry periods.
- Soil: Amend heavy soils with organic matter to improve drainage. Avoid waterlogged conditions.
- Feeding: Generally, no feeding is required if planted in fertile soil. A light mulch in spring can be beneficial.
- Pruning: No regular pruning is typically needed. Remove any dead or damaged foliage at the base if necessary.
- Pest Watch: Be vigilant for slugs, which can damage the leaves. Use appropriate slug deterrents if infestations occur.
Compatibility:
- Suitable for beds, borders, rock gardens, containers, and courtyard planting.
- Mixes well with a variety of perennials, shrubs, and ornamental grasses.