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Amaryllidaceae HERB BOTH Placement Primary: Ornamental

Amaryllis

Hippeastrum

Identified By Unknown Guest

Amaryllis is a popular bulbous plant renowned for its large, striking, trumpet-shaped flowers that bloom in brilliant shades of red, pink, white, orange, and bi-colors. Belonging to the Amaryllidaceae family, true Amaryllis species are native to South Africa, though the popular indoor holiday plants commonly known as amaryllis actually belong to the genus Hippeastrum, originating from Central and South America. These magnificent plants are frequently grown indoors during the winter months, producing tall, elegant flower stalks before the strappy green leaves fully develop. With proper care, amaryllis bulbs can easily re-bloom year after year, making them a cherished staple in homes and gardens worldwide.

Also known as: Knight's Star Lily Barbados Lily

Toxicity & Safety

Is Amaryllis toxic to pets?

Yes, toxic to pets.

Amaryllis plants contain toxic alkaloids, notably lycorine, which are present throughout the entire plant but are concentrated heavily in the bulb. If ingested by cats or dogs, it can lead to severe adverse clinical signs including excessive drooling, severe vomiting, diarrhea, abdominal pain, lethargy, and tremors. Immediate veterinary attention should be sought if ingestion is suspected to manage symptoms and ensure proper hydration and recovery.

Is Amaryllis toxic to humans?

Yes, toxic to humans.

Ingestion of any part of the amaryllis plant, especially the bulb, can cause significant toxicity in humans due to the presence of harmful alkaloids like lycorine. Symptoms of poisoning typically include nausea, vomiting, diarrhea, and abdominal cramps. In large quantities, it can cause more severe neurological and cardiac effects. Contact with the plant sap may also cause skin irritation or allergic reactions in sensitive individuals, so gloves are recommended during handling and repotting.

Is Amaryllis safe during pregnancy?

Caution advised during pregnancy.

Due to the toxic alkaloids contained within amaryllis plants, pregnant women should exercise extreme caution when handling them. Ingestion of the plant material can lead to severe gastrointestinal distress and systemic toxicity, which could potentially pose risks to pregnancy health. It is strongly advised to avoid consuming any part of the plant and to wear protective gloves when gardening or planting bulbs to prevent accidental skin absorption or hand-to-mouth transfer.

Growth & Dimensions

Height 30 - 60 cm
Width 15 - 30 cm
Growth Rate Moderate
Care Level Easy
Lifespan Perennial

Ideal Environment

Temperature 15°C - 24°C
Sunlight Hours 6 - 8 hrs/day
Sun Exposure Partial shade
Soil pH 6 - 7
Watering Interval 7 - 14 days
Humidity 40.00% - 60.00%
USDA Zone 9 - 11

Tropical and Subtropical Climates

Climate: Thrives in warm, frost-free climates with moderate humidity and bright, indirect sunlight, though it can easily be grown indoors as a potted houseplant anywhere.

Soils: Loam Sandy loam Well-draining potting mix
Annual Rainfall: 500 - 1500 mm

Native Regions

Central America
Caribbean (North America)
South America
South Africa (ZA – Africa)

How to Care for Amaryllis

How should I handle sunlight?

Place in bright, indirect sunlight while growing and blooming. Avoid harsh direct midday sun.

How should I handle soil and fertilizer?

Use a well-draining potting mix. Feed with a balanced liquid fertilizer every 2-4 weeks during the active growing season.

How should I handle watering your amaryllis?

Water your amaryllis sparingly when the bulb is first planted, keeping the soil barely moist until the first green shoot appears. Once active growth is established, water thoroughly whenever the top few centimeters of soil feel dry to the touch. Ensure the pot has excellent drainage and never let the bulb sit in standing water, as excess moisture will quickly cause root and bulb rot, destroying the plant entirely.

How to Propagate Amaryllis

How to propagate Amaryllis by division?

Propagation is most commonly achieved by separating the small offsets or bulblets that form naturally around the base of the mature parent bulb. Carefully lift the plant during its dormant period and gently tease the offsets away from the main bulb, ensuring each division retains some healthy roots. Plant the newly separated bulblets in individual pots with well-draining potting soil, leaving the top third of the bulb exposed above the surface. Water sparingly at first and provide warm, bright conditions to encourage strong root development and future foliage growth.

Common Diseases & Pests of Amaryllis

What is Stagonospora curtisii (Red Blotch) and how is it treated?

Fungal
Symptoms:

Reddish or brownish spots and streaks appear on the leaves, flower stems, and bulbs. In severe cases, the leaves and stems become distorted, stunted, or rot completely, ruining the aesthetic appeal and structural integrity of the plant.

Treatment:

Remove and destroy heavily infected leaves or stems. Treat the bulb with a copper-based fungicide or a hot water soak before replanting in fresh, sterile potting mix to eliminate remaining fungal spores.

Prevention:

Ensure good air circulation around the plants, avoid overhead watering to keep foliage dry, and always use clean, well-draining soil and sanitized pots when planting or repotting bulbs.

Properties & Benefits of Amaryllis

Bears Fruit

Key Nutrients / Compounds

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