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Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i
Blue flax-lily (Dianella caerulea)-i

Blue flax-lily

Scientific name
Dianella caerulea

Basic Information

Asphodelaceae Family Dianella Genus Blue flax-lily Species
Asphodelaceae > Dianella > Dianella caerulea
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  • Perennial
  • Shrub
Height
100cm ~ 120cm
Flower Color
Leaf Color
Anthesis
spring, summer
Sunlight Exposure
Partial Shade
Hardiness Zones
8
Cold resistance
Good
Heat resistance
Good
Habitat of origin
Australia
Growth Rate
Normal

What is Blue flax-lily (Dianella caerulea)?

What is Blue flax-lily (Dianella caerulea)

Blue flax-lily is a plant. This perennial herb grows naturally in Australia. The plant gets bluish-green strap-like leaves. It makes little star-shaped flowers of blue or purple. These add color to gardens. This hardy plant is relatively easy to grow. So it is a popular choice for landscaping. It thrives in well-drained soil and likes partial shade to full sun. The plant can reach about 1 to 1.5 meters tall. So it fits well in borders or mass plantings. Blue flax-lily also produces pretty berries. These are a food source for birds and wildlife. There are several varieties of Dianella caerulea available. Each has unique features like variegated leaves or different flower colors. Overall, this versatile and visually appealing plant can improve any garden.

SarahPlantMom
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Flower meaning

The flower language commonly used in America for Blue flax-lily is: - Remembrance - Sympathy - Solitude Explaining one sample: - Remembrance: Blue flax-lily symbolizes remembrance. It can honor and remember loved ones.

SarahPlantMom
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Calendar of Blue flax-lily (Dianella caerulea)

Calendar

Blue flax-lily blooms in spring and summer in the United States. The flowers look best in late spring and early summer. Blooming happens for some weeks then. It takes about 2-3 weeks for the flowers to bloom fully. To make the blooming time longer, remove the dead flowers often. This will make the plant produce more flowers and make the flowering season longer.

SarahPlantMom
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How to grow Blue flax-lily (Dianella caerulea)

Watering

At intervals of one week to ten days, supply a moderate amount of water to the blue flax-lily while it is growing. Allow the top inch or two of soil to become nearly dry before repeating irrigation during this period. Lessen watering frequency to once every 14 to 21 days in the resting winter season to stop root decay. Take into account the temperature and humidity when deciding on water amounts, in order to keep the soil moisture at the ideal level. Too much water causes root decay. Too little water stresses the plant. Use your finger to check the moisture in the soil and see if it needs water.

SarahPlantMom
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Soil and Fertilizer

The liquid drench soil fungus Ric activates further enrichment despite reduced values. Dirty but not earth-spattered growth patterns indicate only drooping peaks. Lapses in waterway care worsen foliage production opposed to blossom emergence. Overly generous application leads to budding retardation versus ideal moisture. Persistent damping without saturation sustains best progress.

SarahPlantMom
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Sunlight and Place

Blue flax-lily thrive with exposure to full sunlight. It also grow in partial shade areas. The plant withstand cold temperature to 20°F. Blue flax-lily can handle heat. But protection from intense sun in summer help. Ideal temperature range is 65-75°F. Water and mulch well in summer. Reduce water in winter prevent rot. Plant in soil with good drainage. Avoid waterlogged soil. Blue flax-lily grow best with minimum 6 hours of sun daily.

SarahPlantMom
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Advanced Information of Blue flax-lily (Dianella caerulea)

Pruning

Blue flax-lily benefits from regular pruning to maintain its shape, promote new growth, and prevent overcrowding. Pruning should be done in late winter or early spring before new growth emerges. The plant requires removal of dead or damaged leaves and stems, cutting them back to the base of the plant. Avoid cutting into the crown of the plant, as this can weaken its structure. After pruning, apply a balanced fertilizer to encourage healthy regrowth. Regular pruning will help Blue flax-lily thrive and enhance its overall appearance in your garden.

SarahPlantMom
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Planting and Harvest

Blue flax-lily thrives best when potted rather than in-ground due to its preference for well-draining soil. When gardening a container with holes to prevent water remaining, fill it with a mix of dirt and sand, and plant the Blue flax-lily at the same level as it was in its previous container. Replanting should be done every 2-3 years to refresh the soil and provide more space for growing. To replant, gently remove the plant from its current container, loosen the roots that attach the plant to the ground, and place it in a slightly larger pot with fresh soil. Poor health, such as yellow leaves or slowed growth, may indicate overwatering or not enough sunlight. Adjust how often you provide water and ensure the plant receives enough light to promote healthy growth.

SarahPlantMom
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Propagation

Blue flax-lily has options for propagation. Rhizome separation in spring or autumn works for division. Take stem cuttings during spring and summer. Leaf cuttings from spring and summer are possible too. Plant individual leaves in a draining medium. Multiple ways exist to multiply it. Make new clumps by division first. Harvest mature, dry seeds for sowing later. Keep sown seeds moist for germination. Take cuttings from healthy stems for better root growth.

SarahPlantMom
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Pests and Diseases

Blue flax-lily is susceptible to various pests and diseases, including aphids, spider mites, and fungal leaf spots. These organisms can weaken the plant by feeding on its sap or causing damage to its leaves. Aphids and spider mites can be controlled with insecticidal soap or neem oil, while fungal leaf spots may require fungicidal treatments. Providing too much water or poor drainage can lead to root decay, causing the plant to wilt and decline. To prevent this, ensure the soil drains well and water the plant only when the top inch of soil is dry. Additionally, avoiding overhead watering can help reduce the risk of fungal diseases. Regularly inspecting the plant for signs of pests or diseases and promptly addressing any issues can help maintain the health of Blue flax-lily.

SarahPlantMom
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Habitat of Blue flax-lily (Dianella caerulea)

Habitat

Toxicity of Blue flax-lily (Dianella caerulea)

Health Benefits

edible
Inedible
Toxic
No toxicity

NO DATA

Toxic for dogs and cats

NO DATA

Q&A of Blue flax-lily (Dianella caerulea)

  • How to Care for Blue flax-lily Plants?

  • choice

  • Are Blue flax-lily Berries Edible?