Obsession Nandina

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Obsession Nandina is a compact, evergreen shrub known for its vibrant, ruby-red foliage that transitions to rich burgundy tones in cooler weather. Its dense, colorful leaves and graceful, upright form make it an excellent choice for adding year-round interest to your landscape.

  • Botanical name: Nandina domestica 'Seika'
  • Evergreen
  • Grown in the USA

SUNLIGHT:
Prefers full sun to partial shade

WATER:
Water when the top 1-2 inches of soil are dry. Approximately every 1-2 weeks. Watering frequency may vary based on climate and establishment phase.

IDEAL CLIMATE:
Hardy in USDA Zones 6-9; thrives in a variety of climates with well-draining soil

Note: Obsession Nandina may experience some leaf drop in extreme cold, but it typically recovers quickly with the return of warmer temperatures.

PLANT DESCRIPTION & MATURE SIZE

Obsession Nandina, scientifically known as Nandina domestica 'Seika', is an enchanting evergreen shrub that adds vibrant color and texture to any landscape. This plant is renowned for its stunning red foliage that persists through the seasons, offering a striking visual appeal year-round. With minimal maintenance, Obsession Nandina thrives in a variety of garden settings, making it an excellent choice for those looking to enhance their outdoor space with dynamic color and form.

GROWTH RATE & MATURE SIZE:

Moderate growth rate, reaching a mature height of 3-4 feet and a width of 2-3 feet.

WATERING & SUNLIGHT

Water regularly to maintain consistent moisture, especially during dry periods. Deep watering is recommended once a week. Obsession Nandina thrives in full sun to partial shade, adapting well to different light conditions to maintain its vibrant foliage color.

PLANT CARE & PLANTING INSTRUCTIONS

Pruning: Prune lightly to maintain shape and remove any dead or damaged stems. Best done in late winter to early spring.

Fertilization: Apply a balanced, slow-release fertilizer in spring to encourage healthy growth and vibrant foliage.

Winter Protection: Mulch around the base to protect the roots from extreme cold and frost, especially in the cooler end of its growing zones.

PLANTING INSTRUCTIONS:

To plant Obsession Nandina, choose a location with well-drained soil and sufficient sunlight. Dig a hole twice as wide and as deep as the root ball. Place the plant in the hole, backfill with soil, and water thoroughly to settle the roots. Mulch around the base to conserve moisture and reduce weeds.

USDA GROW ZONE:

Zones 6-9

Obsession Nandina is well-suited for USDA zones 6 through 9, thriving in regions with mild winters and warm summers. This versatile plant can handle a range of temperatures, making it a resilient choice for various climatic conditions.

Frequently Asked Questions

Obsession Nandina is a compact and manageable shrub. Here’s a detailed overview of its mature size:

Mature Height:
2 to 3 Feet: Obsession Nandina typically grows to a height of 2 to 3 feet.

Mature Width:
2 to 3 Feet: It also spreads to a width of about 2 to 3 feet.

Growth Habit:
Compact and Dense: The plant has a dense, upright growth habit, making it suitable for small gardens, borders, and container planting.

Landscape Use:
Borders and Hedges: Ideal for creating low borders and hedges.
Containers: Fits well in pots and containers for patios and decks.
Mixed Plantings: Works well in mixed shrub beds and perennial gardens.

Obsession Nandina’s compact size and attractive foliage make it a versatile choice for various landscape applications, providing year-round color and interest.

Obsession Nandina is known for its moderate growth rate. Here’s a detailed look at its growth characteristics:

Growth Rate:
Moderate Growth: Obsession Nandina typically grows at a moderate pace, adding about 6 to 12 inches of new growth per year under optimal conditions.

Factors Influencing Growth:
Sunlight: Full sun to partial shade promotes healthy growth and vibrant foliage.
Soil Quality: Well-drained, fertile soil enhances growth rate.
Watering: Consistent moisture, especially during the establishment phase, supports steady growth.
Climate: Thrives in USDA zones 6-9, where it can grow steadily throughout the growing season.

Mature Size:
Height and Width: Reaches a mature height and width of approximately 2-3 feet, making it a compact shrub suitable for various landscape uses.

Growth Management:
Pruning: Regular pruning helps maintain its shape and encourages bushier growth.
Fertilization: Applying a balanced, slow-release fertilizer in spring can boost growth.

By providing the right conditions and care, you can ensure your Obsession Nandina grows at a healthy and steady rate, contributing to a vibrant and attractive garden display.

Selecting the ideal location for planting Obsession Nandina ensures it thrives and enhances your landscape. Here are the best planting conditions:

Sunlight Requirements:
Full Sun to Partial Shade: Obsession Nandina performs well in areas with full sun to partial shade. It can tolerate full sun, which enhances its vibrant foliage color, but also grows well in partially shaded areas.

Soil Conditions:
Well-Drained Soil: Ensure the soil is well-draining to prevent waterlogging, which can cause root rot.
Soil pH: It adapts to a variety of soil pH levels, from slightly acidic to slightly alkaline.

Climate and Hardiness Zones:
USDA Zones 6-9: Obsession Nandina is hardy in USDA zones 6-9, making it suitable for a wide range of climates.
Temperature Tolerance: It can withstand cold winters and hot summers within its hardiness range.

Landscape Uses:
Borders and Edges: Ideal for creating colorful borders and edging along pathways.
Containers: Thrives in containers, making it a versatile choice for patios and decks.
Mixed Beds: Complements other shrubs and perennials in mixed garden beds.

Additional Considerations:
Protection from Harsh Winds: Plant in a location sheltered from strong winds to prevent foliage damage.
Proximity to Structures: Avoid planting too close to buildings or walls to ensure adequate airflow and light penetration.

By choosing a location that meets these conditions, your Obsession Nandina will flourish, providing year-round color and interest to your garden or landscape.

When planting Obsession Nandina proper spacing is crucial to ensure healthy growth and optimal appearance. Here’s a guide on spacing:

Recommended Spacing:
General Spacing: Plant Obsession Nandina 2 to 3 feet apart from center to center.
Dense Planting: For a denser, more hedge-like appearance, space the plants closer to 2 feet apart.
Air Circulation: For better air circulation and individual plant growth, space them closer to 3 feet apart.

Considerations:
Mature Size: Obsession Nandina typically reaches 2-3 feet in height and width, so spacing them accordingly allows for natural growth without overcrowding.
Landscape Design: Adjust spacing based on your landscape design goals, whether for a dense border or a more open arrangement.

Benefits of Proper Spacing:
Healthy Growth: Adequate spacing prevents competition for nutrients and light.
Air Circulation: Reduces the risk of fungal diseases by improving airflow around the plants.

Following these spacing guidelines will help your Obsession Nandina thrive, providing a vibrant and healthy addition to your garden.

Obsession Nandina showcases a dynamic range of colors through the spring and summer seasons. Here’s a detailed look at its color transformation:

Spring Color:
New Growth: In spring, Obsession Nandina produces fresh, vibrant red foliage.
Contrast: This new red growth contrasts beautifully with the more mature green leaves, creating a striking visual effect.
Summer Color:
Mature Foliage: As the season progresses, the new red leaves gradually turn a lush green.
Overall Appearance: The plant maintains a predominantly green appearance with occasional red highlights from new growth.

Seasonal Appeal:
Decorative Value: The transition from red to green provides a dynamic and colorful display, enhancing the garden’s aesthetic appeal during the growing season.

Obsession Nandina’s vivid red spring growth and lush green summer foliage make it a versatile and attractive choice for seasonal color in your garden.

Obsession Nandina is renowned for its vibrant foliage that transforms with the seasons. Here’s a detailed description of its fall and winter colors:

Fall Color:
Transition: As temperatures drop, the foliage transitions from green to brilliant shades of red.
Highlights: The new growth, already a striking red, deepens in color, adding a vivid contrast to the mature foliage.
Winter Color:
Dominant Hue: The foliage maintains a rich red hue throughout the winter months.
Color Stability: This consistent red color provides winter interest and brightens up the garden landscape during the colder months.

Seasonal Appeal:
Decorative Value: The red foliage of Obsession Nandina adds a splash of color to gardens and landscapes, making it a popular choice for seasonal decoration and winter gardens.

Obsession Nandina’s stunning red foliage in fall and winter makes it a standout plant, adding year-round interest to your garden.

Pruning Obsession Nandina helps maintain its shape, encourage new growth, and enhance its vibrant foliage. Follow these steps for effective pruning:

Timing: Prune in late winter to early spring before new growth begins.
Tools Needed: Use clean, sharp pruning shears to make precise cuts.
Pruning Steps:
1. Remove Dead or Damaged Stems: Cut back any dead, damaged, or diseased stems to the base of the plant.
2. Thin Out Crowded Growth: To improve air circulation, remove a few older stems at ground level, especially if the plant is densely packed.
3. Shape the Plant: Trim back the outer stems to shape the plant and maintain its compact form. Cut just above a leaf node to encourage branching.
4. Encourage New Growth: For more vibrant foliage, prune back one-third of the oldest stems to encourage new, colorful growth.

Additional Tips:
Sanitize Tools: Always sanitize your pruning shears before and after use to prevent the spread of disease.
Mulching: After pruning, apply a layer of mulch to retain moisture and suppress weeds.

Proper pruning of Obsession Nandina ensures a healthy, attractive plant with enhanced foliage color and density.

Obsession Nandina is a compact and controlled-growing variety of Nandina. Here are the key characteristics related to its growth and spreading behavior:

Growth Habit: Obsession Nandina grows in a dense, upright, and compact form, typically reaching 2-3 feet in height and width.
Spreading: This variety is not known for aggressive spreading. It maintains its shape and size well, making it an excellent choice for borders, containers, and small garden spaces.

Advantages:
Low Maintenance: Its controlled growth reduces the need for frequent pruning.
Space Management: Ideal for gardens where space management is crucial.

Obsession Nandina is a popular choice for gardeners seeking a tidy, colorful plant that doesn’t overtake its planting area.

Obsession Nandina is primarily cultivated for its striking foliage, which changes color throughout the seasons. Unlike other Nandina varieties, Obsession Nandina does not produce berries. Here are some key points:

Foliage: The plant is known for its vibrant red new growth, which matures to a rich green.
Berry Production: Obsession Nandina is a non-fruiting variety, making it a preferred choice for gardeners looking to avoid the maintenance associated with berry-bearing Nandinas.

Choosing Obsession Nandina is ideal if you want the ornamental appeal of colorful foliage without the concern of managing berries.

Newly planted Obsession Nandina requires consistent watering to establish a strong root system.

Here’s a detailed watering guide:
Initial Watering: Right after planting, water deeply to settle the soil around the roots.

First Few Weeks: Water 2-3 times per week. Ensure the soil stays moist but not waterlogged.

After Establishment (First Growing Season): Reduce to once a week, depending on rainfall and soil drainage. Check the top inch of soil; if it’s dry, it’s time to water.

Additional Tips:
Mulching: Apply a layer of mulch around the base to retain moisture and regulate soil temperature.
Drainage: Ensure the plant is in well-draining soil to prevent root rot.

This watering schedule helps your Obsession Nandina thrive, ensuring vibrant foliage and healthy growth.

More Details

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