DIANELLA CASSA BLUE

Planting and Soil Requirements

• Planting Location: Prefers full sun but can tolerate partial shade.
• Soil Type: Grows best in well-drained soil, tolerating sandy, loamy, or clay soils.
• Soil pH: Performs well in neutral to slightly acidic soils.
• Planting Depth: Plant at the same depth as in its pot, with the crown level with the soil surface.
• Spacing: Space plants 30–45 cm apart to allow for growth and spread.

Watering and Fertilization

• Watering: Requires regular watering during the first growing season to establish the root system. Once established, it is drought-tolerant.
• Drought Tolerance: Can tolerate dry conditions but thrives with consistent moisture.
• Fertilization: Use a slow-release, balanced fertilizer in spring. Dianella 'Cassa Blue' is a light feeder, so avoid over-fertilizing.
• Mulching: Apply mulch around the plant to help retain moisture and suppress weeds, especially in hotter climates.

Light and Temperature Requirements

• Light Requirements: Best grown in full sun for optimal foliage color but can tolerate partial shade.
• Temperature: Hardy in USDA zones 8–11, tolerating mild frost and moderate heat.
• Heat Tolerance: Highly heat-tolerant if provided with adequate moisture.
• Humidity: Performs well in both dry and humid conditions.

Pruning and Maintenance

• Pruning: Minimal pruning is required. Remove dead or damaged leaves throughout the growing season to maintain a tidy appearance.
• Tidy-Up: Cut back any old or tattered foliage in early spring to encourage fresh growth.
• Division: Can be divided every 2–3 years in spring to maintain vigor and control the plant’s size.
• Cleaning: Regularly clean out any dead or damaged leaves to prevent pests and diseases.

Pests and Diseases

• Pests: Generally pest-free, though slugs and snails may occasionally be attracted to the young foliage.
• Diseases: Rarely affected by diseases, but well-drained soil is essential to prevent root rot.
• Preventative Measures: Ensure proper spacing and good air circulation to avoid fungal issues.

Propagation

• Division: The most effective method of propagation is by division in spring. Carefully dig up the plant and separate the root clumps.
• Seed Propagation: Can be grown from seed, though division ensures a faster and more reliable way to propagate.
• Container Propagation: Ideal for container growing, where its neat, compact form can be showcased.

Companion Planting and Garden Uses

• Companion Plants: Pairs well with ornamental grasses, lavender, sedums, and low-growing perennials.
• Ornamental Use: Suitable for borders, mass planting, rock gardens, or as an accent plant in landscapes.
• Container Gardening: Thrives in containers, making it perfect for patios and courtyards.
• Groundcover: Can be used as a low-maintenance groundcover in dry, sunny areas.
• Erosion Control: Its dense root system helps with erosion control on slopes and in dry garden beds.

Winter Care and Overwintering

• Frost Tolerance: Hardy to mild frosts but may require some protection in harsher winter climates.
• Winter Interest: The blue-green foliage provides year-round visual appeal, even during winter.
• Overwintering in Containers: For container-grown plants, move to a sheltered location in colder climates or cover with a frost cloth for protection.

Benefits of Growing Dianella caerulea 'Cassa Blue'

• Ornamental Foliage: The striking blue-green leaves offer a unique color contrast in the garden.
• Low Maintenance: Requires little care once established, making it ideal for low-maintenance gardens.
• Drought Tolerant: Performs well in dry conditions, making it suitable for xeriscaping and water-wise gardens.
• Year-Round Interest: Provides year-round appeal with its evergreen foliage and springtime flowers.
• Erosion Control: The fibrous root system helps stabilize soil, making it effective for erosion control.

Key Care Tips for Optimal Growth

• Watering: Water regularly during establishment, then reduce to occasional watering. It can tolerate drought but prefers consistent moisture.
• Soil: Ensure well-drained soil to prevent root rot and promote healthy growth.
• Light: Full sun is ideal for the best foliage color, but it can also tolerate partial shade.
• Fertilization: Use a slow-release, balanced fertilizer in spring for optimal growth, avoiding over-fertilizing.
• Pruning: Minimal pruning is required; simply remove dead foliage as needed.

Conclusion

Dianella caerulea 'Cassa Blue' is a versatile and attractive ornamental grass that is easy to grow and maintain. Its striking blue-green foliage and small, decorative flowers make it an excellent choice for borders, containers, or mass planting. With its drought tolerance and low maintenance needs, it's a fantastic option for both beginner and experienced gardeners alike. Whether used as an accent plant, groundcover, or erosion control, 'Cassa Blue' adds year-round beauty and texture to the landscape.

• Size
  2 lt

We currently only deliver within the island of Ireland, other countries can be quoted for by contacting [email protected] or via telephone on 06964084
 

Standard Delivery is FREE on orders over €250*

All standard deliveries will be completed within 5-7 working days via Fastway Couriers, any delay to this delivery time, the customer will be notified by One of our staff.

The in-Store delivery charge will vary compared with online, in-store delivery charge is done on a case by case basis. 

* Only mainland Ireland addresses qualify for free delivery.
 

Live Plants Delivery

Our live plants are packed with care and diligence by our staff, our horticulturists review each plant before despatch to ensure quality is maintained.
Live Plant delivery charges are not calculated on weight but on the space required per package to ensure safe delivery, so delivery charges may vary as some plants require more space than others when packed.
All live plants are despatched within 3-5 working days where possible, our couriers aim to deliver within 48 hours of despatch from our Garden Centre to allow the plant to arrive in healthy condition.
 

Click & Collect

Can’t wait for delivery? Why not try our FREE Click & Collect service? Simply make your purchase online and collect it from our store located in Croagh Co. Limerick. Our staff will contact you by phone when your order is ready for collection (Please allow 24 hours minimum). When collecting your item, call the store on 069-64084. We will then load into your car as required. This service is available in-store 9am – 6pm Monday – Saturday (No collections on Sundays)

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If you have any further questions about the online order payment please contact us via ­069 640 84 or mail.