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Antelope Horns Milkweed
Also known as: Spider Antelope Horns
Antelope Horns Milkweed gets its common name from its seed pods that look like antelope horns. Birds, bees, butterflies, and other pollinators enjoy this plant. Antelope Horns Milkweed is toxic to animals and people, and it isn't easy to cultivate, especially in containers.
Scientific classification
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Toxic to Pets
Toxicity
Perennial
Lifespan
Herb
Plant Type
2.5 cm
Flower Size
White, Green, Yellow, Red
Flower Color
Deciduous
Leaf type
15 - 35 ℃
Ideal Temperature

Images of Antelope Horns Milkweed

Toxicity

Antelope Horns Milkweed poses moderate toxicity risks to humans, cats, and dogs. Contact or ingestion of the plant can cause symptoms like nausea, vomiting, and cardiac issues due to galitoxin and cardiac glycosides. Immediate medical or veterinary attention is essential if poisoning is suspected. All parts of antelope Horns Milkweed are harmful, and care should be taken to prevent exposure.
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Weed Control

Antelope Horns Milkweed hails from North America, predominantly across the United States and Northern Mexico. This plant is considered a weed due to its tenacious ability to proliferate, making it a difficult opponent for gardeners. Like most weeds, antelope Horns Milkweed exhibits rapid growth and reproduction, showing a remarkable aptitude for occupying spaces and driving out native species. Its seed pods burst, dispersing numerous seeds that find their way into different parts of the garden and even beyond, intensifying the spread. This uncontrolled spread can potentially choke out other plants, causing harm to the garden ecosystem. Moreover, antelope Horns Milkweed has a strong root system, making it hard to eradicate once established, exacerbating the harm to gardens. The main way this plant spreads is via seeds. When ripe, the seed pods of antelope Horns Milkweed burst open, releasing seeds equipped with silky hairs called pappus. Carried by the wind, these seeds can float to new locations, facilitating the plant's wide dispersion.
How to Control It
The best season for removing antelope Horns Milkweed is in the early spring, before its seeds have matured and dispersed.
  1. Hand Pulling: Don your gloves and get down at the base of antelope Horns Milkweed. Gently tug on the plant, ensuring to pull out the entirety of the roots to prevent any regrowth.
  2. Soil Solarization: This is a non-chemical method that uses the sun's energy to control antelope Horns Milkweed. First, you want to water the area and then cover it with clear plastic for approximately 4-6 weeks during a hot part of the year. The sun's rays heat the soil, killing antelope Horns Milkweed and its seeds.
  3. Smothering: This method requires you to layer on organic materials, such as a thick layer of mulch or cardboard, over antelope Horns Milkweed. The layer cuts off sunlight to the plant and eventually kills it.
  4. Biological Control: Releasing specific insects or animals, like milkweed beetles or certain types of caterpillars, that feed on antelope Horns Milkweed is an effective way to control this plant.
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Care Guide for Antelope Horns Milkweed

Every week
Water
Full sun
Sunlight
15 - 35 ℃
Ideal Temperature
Garden Soil
Soil Type
Water: Antelope Horns Milkweed thrives in arid environments with low humidity, showcasing strong drought tolerance. It requires minimal water, ideally on a weekly schedule. As an herbaceous perennial, antelope Horns Milkweed stores water in its roots during the growing season, suitable for areas with inconsistent rainfall.
Fertilize: Fertilize antelope Horns Milkweed sparingly with balanced fertilizers every 4-6 weeks during the growing season. Adjust frequency as dormancy approaches, using recommended quantities to avoid harming roots. Monitor antelope Horns Milkweed's response to customize fertilization for optimal health and bloom.
Pruning: To maintain antelope Horns Milkweed's health, remove infected plants and wilted leaves regularly. In tropical climates, prune branches in early spring for better growth. Due to antelope Horns Milkweed's high toxicity, wear gloves when handling, keep it away from children, and avoid consumption.
Propagation: Antelope Horns Milkweed thrives in self-seeding conditions. For best germination, use well-draining soil and maintain moisture. A sunny spot promotes vigorous growth. Once established, they need minimal care, being drought-tolerant. Ensure proper spacing for their mature size.
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