Cape Asparagus Plant Care

Asparagus capensis L.

Updated · Sources · How we source care data

Asparagus capensis, also called katdoring is a dense, thorny, shrub of the Asparagus genus, that is indigenous to South Africa and Namibia.

🪴Houseplants🌼Perennials
Water

Every 7–14 days

Light

Bright indirect to low light

Temp

60–75°F

Humidity

40–60%

At a glance

How do you care for Cape Asparagus?

Water Cape Asparagus 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 Cape Asparagus Native To?

Native range2 countries

What Is the Cape Asparagus?

Cape Asparagus (Asparagus capensis) belongs to the Asparagaceae family within the Asparagus genus. Cape Asparagus is native to South Africa and Namibia.

Cape Asparagus displays a fern-like, climbing vine growth habit, reaching up to 3 ft tall with a spread of approximately 2 ft. Cape Asparagus produces small white or pink bell-shaped flowers.

Leaf size: approximately 12 inches.

How Often Should You Water a Cape Asparagus?

Asparagus capensis 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 Cape Asparagus Need?

Cape Asparagus thrives in bright indirect to low light. Avoid placing Cape Asparagus 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 Cape Asparagus Prefer?

Asparagus capensis grows best at temperatures of 60–75°F. Cape Asparagus prefers humidity levels of 40–60%.

Temperature

60–75°F

Humidity

40–60%

What Soil Mix Works Best for a Cape Asparagus?

Well-draining sandy loam with added organic matter. Good drainage is essential for Cape Asparagus to prevent waterlogging, which leads to root rot and fungal issues.

How Often Should You Fertilize a Cape Asparagus?

Feed Cape Asparagus 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 Cape Asparagus?

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 Cape Asparagus?

Cape Asparagus 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 Cape Asparagus Toxic to Pets and Children?

Pet safety not verified

The ASPCA does not list Cape Asparagus, 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 Cape Asparagus?

Cape Asparagus 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 Cape Asparagus Need?

Cape Asparagus grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Cape Asparagus is native to South Africa and Namibia. In cooler regions, grow Cape Asparagus as a houseplant or bring it indoors before the first frost.

Hardiness Zone

Zone 13a

Keep exploring plants

Cape Asparagus 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.

Cape Asparagus 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 capensis L., family Asparagaceae (first published in Sp. Pl. : 314 (1753)) — World Flora Online record, IPNI name record.
  • Pet toxicity: Pet safety not verified: the ASPCA does not list Cape Asparagus, 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.

PlantoScan app icon

Identify Plants Like the
Cape Asparagus Instantly

Scan any plant with your phone camera and get instant ID, care tips, water and fertilizer reminders, and health checks — all in one app.

Download on the App StoreGet it on Google Play

Free

to download

iOS & Android

platforms

Light & dark

mode

100,000+

species