trefle.io · Taken Jun 18, 2017 by Yoan MARTIN (cc-by-sa)
Iridaceae
Fortnight lily
Dietes bicolor
Also known as African iris, Moraea bicolor, Morea iris, Cape iris
Flowering Plants · Native Plants · Iris-Like · South African · Perennial · Border Plant · Yellow Flowers · Drought Tolerant · Iridaceae · Mass Planting · Low Maintenance · Landscape
Fortnight lily is a clump-forming perennial with iris-like yellow and brown blooms that appear roughly every two weeks throughout the warmer months. Plant in full sun to part shade in well-draining soil and water regularly until established, after which it becomes moderately drought tolerant. It is a low-fuss garden staple ideal for borders, mass plantings, and Mediterranean-style landscapes.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Water moderately until soil is evenly moist, allowing the top inch to dry before re-watering · Every 7-10 days
- Maintenance
- Low
- Soil
- sandy loam
- Soil pH
- 5.5–7.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed, Division, Cutting
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 3.3 ft – 4.3 ft
- Spread
- 4.3 ft
- Spacing
- 24 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- White, Orange, Purple
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Cape Provinces, KwaZulu-Natal
- Attracts
- Bees, Butterflies
Sources: trefle
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