Sickle Thorn Plant Care
Asparagus falcatus L.
Updated · Sources · How we source care data
Asparagus falcatus is a large, thorny, climbing plant of the Asparagus genus, that is indigenous to South Africa and Mozambique. It is often grown as a security hedge in southern Africa.
Every 7–14 days
Bright indirect to low light
60–75°F
40–60%
At a glance
How do you care for Sickle Thorn?
Water Sickle Thorn every 7–14 days, letting the top layer of soil dry out between waterings, and give it bright indirect to low light. It prefers temperatures of 60–75°F (16–24°C) and 40–60% humidity. Fertilize it every 4 months during the growing season.
Where Is the Sickle Thorn Native To?
What Is the Sickle Thorn?
Sickle Thorn (Asparagus falcatus) belongs to the Asparagaceae family within the Asparagus genus. Sickle Thorn is native to South Africa and Mozambique. Sickle Thorn is also known as Sickle Asparagus, Forest Asparagus.
Sickle Thorn displays a fern-like, climbing vine growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Sickle Thorn produces small white or pink bell-shaped flowers.
Leaf size: approximately 12 inches.
How Often Should You Water a Sickle Thorn?
Asparagus falcatus requires watering every 7–14 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–14 days
Let soil partially dry between waterings
What Light Does the Sickle Thorn Need?
Sickle Thorn thrives in bright indirect to low light. Avoid placing Sickle Thorn in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to low light
What Temperature and Humidity Does the Sickle Thorn Prefer?
Asparagus falcatus grows best at temperatures of 60–75°F. Sickle Thorn prefers humidity levels of 40–60%.
Temperature
60–75°F
Humidity
40–60%
What Soil Mix Works Best for a Sickle Thorn?
Well-draining sandy loam with added organic matter. Good drainage is essential for Sickle Thorn to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Sickle Thorn?
Feed Sickle Thorn every 4 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 4 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Sickle Thorn?
Repot every 2-3 years. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Sickle Thorn?
Sickle Thorn can be propagated through division of roots, seeds. Similar propagation techniques also apply to asparagus plant plant care, which shares the same genus.
Is the Sickle Thorn Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Sickle Thorn, so we can't confirm whether it is safe for cats and dogs. Keep pets from chewing it as a precaution.
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Sickle Thorn?
Sickle Thorn is susceptible to spider mites, aphids, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Sickle Thorn Need?
Sickle Thorn grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Sickle Thorn is native to South Africa and Mozambique. In cooler regions, grow Sickle Thorn as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Sickle Thorn is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Asparagus genus — compare its care with other Asparagus species on PlantoScan.
Asparagus is part of the Asparagaceae plant family — browse all Asparagaceae genera and species.
Sickle Thorn copes with lower light than most plants — browse the full list of low-light plants.
More Asparagus Species
Other Asparagus species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Asparagus falcatus L., family Asparagaceae (first published in Sp. Pl. : 313 (1753)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Sickle Thorn, so we can't confirm whether it is safe for cats and dogs. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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