Ostrich Kalkoentjie (Gladiolus uysiae) is a striking South African endemic gladiolus, celebrated for its vibrant, intricate blooms and cultural significance.
At-a-glance light, water, soil, and growing conditions from plant data
Full sun
100% intensity
Prefers at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
Moderate during growth, low during dormancy
50% intensity
Allow soil to dry slightly between waterings. Crucial to reduce watering in summer/autumn.
Sandy, Well-drained
50% intensity
Moderate
50% intensity
Thrives in temperatures between 18-24°C during the growing season. Protect from frost.
Outdoor
50% intensity
Moderate during growth
50% intensity
Use a balanced liquid feed during active growth, with reduced or no feeding before dormancy.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
| Edible | No |
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water thoroughly when the top 2-3 cm of soil feels dry. Reduce watering significantly during the dormant period in summer and autumn to prevent corm rot.
Ensure good drainage to avoid waterlogged conditions, which are detrimental to Gladiolus uysiae.
Remove spent flower spikes as soon as they appear to encourage more blooms and prevent seed formation. Cut back the foliage only after it has yellowed and died back naturally, which signals the end of the growing season and the plant's preparation for dormancy.
Propagate primarily through cormels (small offsets produced at the base of the parent corm). Separate these cormels during the dormant season when repotting.
Plant them in a well-draining medium, and they will typically flower after 2-3 years.
Repot dormant corms every 2-3 years to prevent overcrowding and to refresh the soil. This is best done in late autumn or early winter, after the foliage has completely died back.
Inspect the corms for any signs of disease or damage.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Ostrich Kalkoentjie (Gladiolus uysiae)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Asparagales |
| Family | Iridaceae |
| Genus | Gladiolus |
| Species | Gladiolus uysiae |
Similar in genus Gladiolus
Answers based on plant encyclopedia data
