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False daisy
Also known as: Karisalankanni
False daisy (Eclipta prostrata) is a herb that belongs to the sunflower family. It grows as an annual in moist areas. Some farmers rank it among the worst weeds in the world. A single plant can generate as many as 17,000 seeds in one season.
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Weeds
Weed or not
Herb
Plant Type
Mid spring, Late spring, Summer, Early fall, Mid fall
Bloom Time
Mid summer, Late summer, Fall, Early winter
Harvest Time
1 m
Plant Height
30 cm to 90 cm
Spread
Green, Blue, Black
Leaf Color
6 mm to 8 mm
Flower Size
Brown
Fruit Color
White, Yellow, Green
Flower Color
Green, Black
Stem Color
Winter dormancy
Dormancy
Deciduous
Leaf type

Images of False daisy

Attributes of False daisy

Growth Rate
With its moderate growth rate, in summer, false daisy exhibits an increase in leaf production, aligning with optimal sunlight availability. Increased vegetative mass facilitates photosynthesis efficiency, enhancing overall growth. Some variations in growth speed can be observed in other seasons but are notably subdued compared to summers.

Distribution of False daisy

Distribution Map
The plant with the scientific name 'false daisy' originates from subtropical and tropical Americas and Asia. It has been introduced to various regions across Africa, Europe, and Oceania, as well as parts of South America and the Middle East, where it often naturalizes in suitable environments. It tends to be quite adaptable, spreading to diverse climates outside of its native range.
Native
Cultivated
Invasive
Introduced
No species reported
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Habitat
Wet places
Hemisphere Trend Curve

Culture

Symbolism
Innocence
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Weed Control

False daisy, also known as False daisy, originates from East Asia. Its status as a weed is due to several characteristics. Firstly, it has an aggressive ability to reproduce. It can produce thousands of seeds per plant, increasing its spread and domination in an area. Secondly, false daisy has a deep root system, which allows it to survive harsh conditions and gives it a competitive advantage over other plants. Its robust nature can be harmful to gardens, especially vegetable and flower gardens, as it competes fiercely for resources and can choke out more desirable plants. The main way false daisy spreads is through seed dispersal. Furthermore, even small root pieces can regenerate into a full plant, making it very difficult to eradicate. Its seeds are easily carried by wind and water, which aids its rapid spread, hence causing infestations in various habitats.
How to Control It
The best season for removing the false daisy plant is spring, before it has the chance to flower and produce seeds. Here are some organic and interesting methods for controlling or removing the false daisy plant:
  1. Hand-pulling: This is one of the most effective methods for removing false daisy. Simply grab the plant at the base, and gently but firmly pull it out of the ground. Make sure not to leave any root fragments behind as they could potentially regrow.
  2. Smothering: Cover the area where the false daisy plant is growing with a thick layer of newspaper or cardboard, and then cover that with a thick layer of mulch. This will block the sunlight and prevent the plant from photosynthesizing.
  3. Vinegar spray: Vinegar is a natural weed killer. Simply mix a solution of 1 part vinegar to 1 part water and spray it directly onto the false daisy plant. Be careful to avoid spraying other plants that you want to keep.
  4. Solarization: This is a great method if false daisy has taken over a larger area of your garden. Water the area thoroughly, then cover with a clear plastic tarp during the hottest part of the year. The heat will kill the weed and its seeds.
  5. Boiling water: This is a very simple and organic method. Boil some water and pour it directly onto the false daisy. The sudden heat will kill the weed almost instantly. This method is best used on driveways or walkways where there are no other plants that you want to keep.
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Quickly Identify False daisy

1
Distinct purplish hue on stems with rooting ability in contact with soil.
2
Small white to yellowish flowers, 0.5-1 inch (1.3-2.5 cm) across, lack scent.
3
Compact brown to black achenes, 2 mm (0.08 inches) with narrow wings.
4
Narrow elliptic leaves, pubescent with serrated edges, distinctive vein pattern.
5
Fleshy green stem with appressed hairs, decumbent to prostrate branching, up to 0.1 inches (2-3 mm) thick.
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Care Guide for False daisy

Every week
Water
Full sun
Sunlight
20 - 38 ℃
Ideal Temperature
Garden Soil
Soil Type
Water: Originating from tropical regions, false daisy thrives in high humidity and prefers consistently moist soil. It should be watered weekly to prevent waterlogging. False daisy benefits from rainwater, which supports its growth cycles when grown outdoors.
Propagation: False daisy is propagated by sowing seeds in Spring, with seedling growth indicating success. For optimal results, maintain moist soil and ensure adequate spacing.
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