Cape Bugle Lily Plant Care
Watsonia borbonica (Pourr.) Goldblatt
Updated · Sources · How we source care data
Watsonia borbonica, the Cape bugle-lily, is a species of plant in the family Iridaceae that is native to South Africa.
Every 7–10 days
Full sun to partial shade
50–80°F
40–60%
At a glance
How do you care for Cape Bugle Lily?
Water Cape Bugle Lily every 7–10 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 50–80°F (10–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season.
Where Is the Cape Bugle Lily Native To?
What Is the Cape Bugle Lily?
Cape Bugle Lily (Watsonia borbonica) belongs to the Iridaceae family within the Watsonia genus. Cape Bugle Lily is native to South Africa. Cape Bugle Lily is also known as Borbon Watsonia.
Cape Bugle Lily displays an upright, clumping perennial growth habit, reaching up to 3 ft tall with a spread of approximately 1.5 ft. Cape Bugle Lily produces showy spikes of tubular flowers in various colors.
Leaf size: approximately 18 inches.
How Often Should You Water a Cape Bugle Lily?
Watsonia borbonica requires watering every 7–10 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 7–10 days
Let soil partially dry between waterings
What Light Does the Cape Bugle Lily Need?
Cape Bugle Lily thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Cape Bugle Lily Prefer?
Watsonia borbonica grows best at temperatures of 50–80°F. Cape Bugle Lily prefers humidity levels of 40–60%.
Temperature
50–80°F
Humidity
40–60%
What Soil Mix Works Best for a Cape Bugle Lily?
Well-draining sandy loam with added compost for nutrients. Good drainage is essential for Cape Bugle Lily to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Cape Bugle Lily?
Feed Cape Bugle Lily every 6 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 6 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 Bugle Lily?
Repot every 2-3 years in early spring. 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 Bugle Lily?
Cape Bugle Lily can be propagated through division of offsets, seeds. Similar propagation techniques also apply to pink watsonia plant care, which shares the same genus.
Is the Cape Bugle Lily Toxic to Pets and Children?
Pet safety not verified
The ASPCA does not list Cape Bugle Lily, 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 Bugle Lily?
Cape Bugle Lily is susceptible to aphids, thrips, spider mites. 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 Bugle Lily Need?
Cape Bugle Lily grows outdoors in USDA Zone 12a. It survives winters down to planting zone 12a. Cape Bugle Lily is native to South Africa. In cooler regions, grow Cape Bugle Lily as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 12a
Keep exploring plants
Cape Bugle Lily 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 Watsonia genus — compare its care with other Watsonia species on PlantoScan.
Watsonia is part of the Iridaceae plant family — browse all Iridaceae genera and species.
Cape Bugle Lily thrives in bright light and direct sun — see other bright-light plants.
More Watsonia Species
Other Watsonia species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Watsonia borbonica (Pourr.) Goldblatt, family Iridaceae (first published in Ann. Missouri Bot. Gard. 74: 571 (1987)) — World Flora Online record, IPNI name record.
- Pet toxicity: Pet safety not verified: the ASPCA does not list Cape Bugle Lily, 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 12a, 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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