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Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i
Needle spike-rush (Eleocharis acicularis)-i

Needle spike-rush

Scientific name
Eleocharis acicularis

Basic Information

Cyperaceae Family Eleocharis Genus Needle spike-rush Species
Cyperaceae > Eleocharis > Eleocharis acicularis
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  • Forb/herb
  • Graminoid
Height
30cm ~
Flower Color
    Leaf Color
    Anthesis
    spring, summer
    Sunlight Exposure
    Full Sun
    Hardiness Zones
    4
    Cold resistance
    Excellent
    Heat resistance
    Good
    Habitat of origin
    Japan
    Growth Rate
    Fast

    What is Needle spike-rush (Eleocharis acicularis)?

    What is Needle spike-rush (Eleocharis acicularis)

    Needle spike-rush, scientifically known as Eleocharis acicularis, is a perennial aquatic plant belonging to the Cyperaceae family. It is native to North America, Europe, and Asia, commonly found in shallow waters of ponds, lakes, and marshes. This plant is characterized by its slender, needle-like stems that can reach up to 12 inches in height, forming dense clusters. Eleocharis acicularis produces small, inconspicuous flowers that are light brown in color. The fruit of this plant is a small achene. It is a popular choice for aquariums and water gardens due to its delicate appearance and ease of cultivation. This plant is often used to create a natural-looking carpet effect in aquatic environments. It thrives in full sun to partial shade and prefers moist to wet soil conditions. With proper care, Eleocharis acicularis can spread rapidly and provide a lush green carpet in underwater landscapes.

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    Flower meaning

    The flower language commonly used in America for the plant Needle spike-rush is as follows: - Admiration - Strength - Resilience One typical example is "Admiration," symbolizing deep respect and appreciation for someone's qualities or achievements. This flower language can convey admiration for a person's character, talents, or actions.

    Jake
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    Calendar of Needle spike-rush (Eleocharis acicularis)

    Calendar

    Needle spike-rush in the United States typically blooms from late spring to early summer. The flowers are at their best during the month of June. Blooming occurs once a year, lasting for about 2-3 weeks. To extend the blooming period, ensure the plant receives adequate sunlight and water. Maintaining moist soil conditions can also help prolong the flowering time. Regular deadheading of spent flowers can encourage new blooms to form. Additionally, fertilizing the plant with a balanced fertilizer can promote continuous flowering throughout the season.

    Jake
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    How to grow Needle spike-rush (Eleocharis acicularis)

    Watering

    For optimal growth, water Needle spike-rush (Eleocharis acicularis) consistently to keep the soil evenly moist but not waterlogged. During the growing season, water the plant 2-3 times a week, ensuring the top 1-2 inches of soil remain damp. In winter, reduce watering to once every 1-2 weeks as the plant enters dormancy. Monitor soil humidity levels using a moisture meter to avoid overwatering. Adjust watering frequency based on environmental conditions such as temperature and humidity. Avoid letting the soil dry out completely between waterings to prevent stress on the plant.

    Jake
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    Soil and Fertilizer

    Needle spike-rush thrives in moist to wet soils with a pH range of 5.0 to 7.5. It prefers sandy or loamy soils rich in organic matter. Fertilize Needle spike-rush with a balanced slow-release fertilizer in early spring when new growth emerges. Apply fertilizer at a rate of 1 pound per 100 square feet of planting area. Repeat the application in mid-summer to support continued growth. Avoid over-fertilization, as it can lead to nutrient imbalances. Regularly monitor soil quality and pH to ensure optimal conditions for Needle spike-rush.

    Jake
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    Sunlight and Place

    Needle spike-rush thrives in full sun to partial shade, requiring at least 6 hours of direct sunlight daily. It exhibits excellent cold tolerance, surviving in temperatures as low as -20°C. In terms of heat tolerance, it can withstand high temperatures up to 40°C. The optimum temperature for Needle spike-rush ranges between 18-24°C. During summer, ensure adequate watering to prevent drying out, and in winter, reduce watering to avoid waterlogging. Place Needle spike-rush in a location with well-draining soil to prevent root rot. It shows strength in direct sunlight, but partial shade is also suitable. The plant benefits from 6-8 hours of sunlight per day for optimal growth.

    Jake
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    Advanced Information of Needle spike-rush (Eleocharis acicularis)

    Pruning

    Needle spike-rush benefits from regular pruning to maintain its health and appearance. Pruning helps remove dead or damaged parts, promotes new growth, and prevents overcrowding. It is best to prune Needle spike-rush in late winter or early spring before new growth emerges. To prune, use clean, sharp tools to make precise cuts at a 45-degree angle. Cut back any dead or yellowing foliage, as well as any overgrown or tangled stems. After pruning, dispose of the cuttings properly to prevent the spread of diseases. Regular pruning will encourage a more vigorous and attractive Needle spike-rush plant.

    Jake
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    Planting and Harvest

    Needle spike-rush is best potted in a container with drainage holes to prevent waterlogging. Use a well-draining potting mix rich in organic matter. When planting, ensure the crown of the plant is at soil level. Repot Needle spike-rush every 2-3 years in spring to refresh the soil and provide more space for growth. Gently loosen the roots before transferring to a slightly larger pot. Mist the plant regularly to maintain humidity levels. Avoid overwatering to prevent root rot. Provide bright, indirect light for optimal growth. Fertilize sparingly during the growing season. Regularly check for pests and diseases.

    Jake
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    Propagation

    Needle spike-rush can be propagated through division or seed sowing. To divide, carefully separate the clumps ensuring each division has roots attached. For seed sowing, collect mature seeds and sow them in a moist, well-draining soil mix. To multiply using cuttings, take stem cuttings with at least one node and root them in a suitable medium. Leaf cuttings can also be used by taking healthy leaves and placing them in a rooting hormone before planting. Combining these methods can increase propagation success and yield more plants.

    Jake
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    Pests and Diseases

    Needle spike-rush is susceptible to various pests and diseases, including leaf spot, rust, and aphids. Leaf spot is characterized by dark spots on the leaves, leading to discoloration and defoliation. Rust appears as orange powdery pustules on the plant's surface, causing weakening and stunted growth. Aphids are small insects that suck sap from the plant, resulting in yellowing, curling, and distortion of leaves. To prevent leaf spot and rust, ensure proper air circulation by spacing plants adequately and avoid overhead watering. Regularly inspect plants for early signs of infestation and promptly remove affected parts. Applying fungicides can also help control these diseases. To deter aphids, introduce natural predators like ladybugs or use insecticidal soap. Withering in Needle spike-rush can be caused by these pests and diseases, leading to a decline in overall plant health.

    Jake
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    Habitat of Needle spike-rush (Eleocharis acicularis)

    Habitat

    Toxicity of Needle spike-rush (Eleocharis acicularis)

    Health Benefits

    edible
    Inedible
    Toxic
    No toxicity

    NO DATA

    Toxic for dogs and cats

    NO DATA