Asparagaceae
Sicklethorn (Asparagus falcatus)
Asparagus falcatus
Sicklethorn thrives in bright indirect light with well-draining soil and moderate humidity (50â70%). Water every 10 days, allowing the top few inches of soil to dry out between waterings. Fertilize monthly during spring and summer. Toxic to pets and humans â handle with gloves due to sharp spines.
Every 10 days
Partial shade
15° - 28°C
50% - 70%
Categories
What is Sicklethorn?
Sicklethorn (Asparagus falcatus) is a medium-care plant from the Asparagaceae family. Asparagus falcatus, commonly known as Sicklethorn, is a vigorous climbing perennial native to South Africa, Sri Lanka, and the Himalayas. Its sickle-shaped cladodes and arching thorny stems make it a striking ornamental plant for both indoor and outdoor settings. It can reach up to 8 feet (240 cm) t...
Sicklethorn grows up to 2.4m, with spread of 120cm, watering every 10 days, 15°C â 28°C, 50â70% humidity. It is suitable for indoor environments and not safe for pets.
Without precautions, ingestion can cause irritation in pets. Keep out of reach of cats and dogs. Without adequate drainage, root rot can develop within 20 days.
How to Care for Sicklethorn?
TLDR: Sicklethorn needs Partial shade, watering every 10 days, and temperatures between 15-28°C with 50-70% humidity.
How Often Should You Water Sicklethorn?
Water every 10 days on average, letting the top 2â3 inches of soil dry out between waterings. Reduce watering in fall and winter. Overwatering is the most common cause of root rot.
How Much Light Does Sicklethorn Need?
Place near a bright window with indirect light. Avoid direct afternoon sun which can scorch the foliage. Tolerates lower light but grows more slowly.
What Is the Best Soil for Sicklethorn?
Use a rich, well-draining mix: combine standard potting soil with perlite and orchid bark. Aim for pH 6.0â7.0. Avoid heavy clay soils that retain moisture.
What Pot Should You Use for Sicklethorn?
Terracotta or ceramic pot with drainage holes; provide a moss pole or trellis to support the climbing habit.
Care Schedule
Fertilize
Every 30 days
Misting
Every 7 days
Repot
Every 365 days
What Is Sicklethorn and Where Does It Come From?
Asparagus falcatus, commonly known as Sicklethorn, is a vigorous climbing perennial native to South Africa, Sri Lanka, and the Himalayas. Its sickle-shaped cladodes and arching thorny stems make it a striking ornamental plant for both indoor and outdoor settings. It can reach up to 8 feet (240 cm) tall when grown indoors with support.
How to Propagate Sicklethorn?
Plant Division
Divide in early spring when the plant resumes active growth. Use clean tools to prevent disease transmission.
- 1 Remove the plant from its pot carefully
- 2 Separate rhizomes by hand or with a sterilized knife
- 3 Plant each division in a fresh pot with well-draining mix
- 4 Water lightly and keep in a shaded spot for 2 weeks
Materials needed:
Seed Sowing
Use fresh seeds as viability drops quickly. Keep substrate consistently moist but not waterlogged.
- 1 Soak seeds in warm water for 24 hours
- 2 Sow in moist, well-draining substrate
- 3 Maintain temperature between 20â25°C
- 4 Expect germination in 4â8 weeks
Materials needed:
How Big Does Sicklethorn Grow?
TLDR: Sicklethorn can reach up to 2.4m tall with Fast growth rate.
Max height
2.4m
Spread
1.2m
Growth rate
Fast
Foliage
Evergreen
Warning: Toxic Plant
This plant can be toxic if ingested. Keep out of reach of:
Plant Uses
Ornamental
Great for decoration
Is your plant showing symptoms?
Click on the symptom to discover possible causes:
What Diseases Commonly Affect Sicklethorn?
TLDR: Sicklethorn is susceptible to 7 known diseases. Monitor regularly for early detection.
Root Rot
Root rot is a serious fungal disease that affects the root system of plants, causing them to decay and die. It is primarily caused by overwatering, poor drainage, or soil-borne fungi such as Pythium, Phytophthora, Rhizoctonia, and Fusarium. The disease thrives in waterlogged conditions where roots are deprived of oxygen, making them susceptible to fungal infection.
Overwatering
Overwatering occurs when plants receive too much water, depriving roots of oxygen and causing root rot. This environmental stress is one of the most common causes of houseplant death, as waterlogged soil prevents roots from breathing and functioning properly.
Spider Mites
Spider mites are tiny arachnids (less than 1/20 inch long) related to spiders and ticks that feed on plant sap. They thrive in hot, dry conditions and can cause significant damage to ornamental and vegetable plants. During severe infestations, crop losses can reach 14% or higher as these pests disrupt vital plant processes including photosynthesis, carbon dioxide absorption, and transpiration.
Aphids
Aphids are small, soft-bodied, pear-shaped insects (1/16 to 1/8 inch long) that feed by sucking nutrient-rich sap from plants. They reproduce rapidly and can quickly weaken plants, causing distorted growth and transmitting plant viruses. Aphids come in various colors including green, black, red, yellow, brown, and gray. They secrete honeydew, a sticky substance that attracts ants and encourages sooty mold growth.
Meaning & Symbolism
Resilience and adaptability â a plant that climbs and endures through challenging conditions.
Fun Facts
Native to South Africa, Sri Lanka, and the Himalayas, where it can climb up to 7 meters (23 feet) in the wild.
The sickle-shaped 'leaves' are not true leaves â they are cladodes (flattened stems) that perform photosynthesis.
It produces small fragrant white flowers followed by bright red berries that attract birds.
Despite looking like a fern, Sicklethorn is actually related to edible asparagus (Asparagus officinalis).
Frequently asked questions
How often should I water Sicklethorn?
Is Sicklethorn toxic to pets?
Does Sicklethorn need direct sunlight?
How do I propagate Sicklethorn?
Compare with similar plants
| Attribute | Difficulty | Light | Watering | Pet Safe |
|---|---|---|---|---|
| Snake Plant | Easy | Low light | 14d | â ïļ |
| Dragon Tree | Easy | Partial shade | 10d | â ïļ |
| Spider Plant | Easy | Partial shade | 8d | â |
| Flamingo Flower | Medium | Partial shade | 5d | â ïļ |