Description
This attractive, iris-like perennial forms dense clusters of narrow, strap-like leaves and attractive, pale yellow flowers with distinctive dark spots at their throat. It is native to South Africa and in cultivation makes a wonderful, low maintenance ground cover that will take poor soil and periodic drought. Hardy to USDA Zone 9.
Germination Guide
🌍 South Africa - Eastern Cape and KwaZulu-Natal
Easy
Dietes bicolor, commonly known as African iris or Fortnight lily, is a rhizomatous evergreen perennial native to South Africa. Seeds germinate readily when sown in spring or autumn in moist seedling medium.
Germination
Germination time
Expect germination in
14 – 56 days
Temperature
Min 10°C
Ideal 21°C
Max 29°C
Substrate moisture
💧💧 High
Sowing depth
Lightly covered
Seed Pre-treatment
-
💧
Soaking — 24 hours
Soak seeds overnight until swollen, or until seed swells
-
🔨
Mechanical scarification
Scratch seedcoat to improve germination
-
📋
Additional notes
Seeds benefit from scarification and/or soaking to break seed coat dormancy
Substrate & Container
Recommended substrate
well-drained seedling mix, potting soil with sand
Recommended container
seed trays
Growing Tips
Keep seedlings in full sun with regular watering. Plant in well-drained soil with consistent moisture. Germination often occurs in 2-8 weeks. Maintain temperature above 10°C during germination.
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