Flower Of An Hour
Hibiscus trionum
- Native to:
- Afghanistan, Albania, Algeria, Bulgaria, Cyprus, Czechia-Slovakia, Greece, Hungary, India, Iran, Iraq, Italy, Kriti, Krym, Lebanon-Syria, Libya, Morocco, North Caucasus, NW. Balkan Pen., Pakistan, Palestine, Poland, Portugal, Romania, Russia, Sicilia, Spain, Transcaucasus, Tunisia, Türkiye, Türkiye-in-Europe, Ukraine
American187
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Malvaceae
- Genus:
- Hibiscus
- Species:
- Hibiscus trionum
- USDA Symbol:
- HITR
Growth Characteristics
- Life Cycle:
- Annual
- Growth Habit:
- Forb/herb
- Height:
- 60 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Medium
- Bloom Months:
- jun,jul,aug,sep,oct
- Bloom Colors:
- white, cream, yellow, purple
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★☆☆ Butterfly & moth species supported by this genus (NWF)
Host Plant for Caterpillars
corn earworm (Helicoverpa zea), cotton tipworm (Crocidosema plebejana), White-marked Tussock Moth (Orgyia leucostigma), Yellow scallop moth (Anomis erosa)
Garden & Ecology Notes
- Wildlife Value:
- bees, butterflies
Soil Requirements
- Soil Type:
- sandy, well-drained, nutrient-poor soil
- pH:
- 6.0 - 7.5 (slightly acidic to neutral)
- Drainage:
- excellent drainage required
- Moisture:
- dry to moderate
- Notes:
- native to disturbed areas and sandy soils
Propagation & Germination
- Stratification:
- None required
- Scarification:
- Seed coat scarification required before sowing
- Germination Time:
- 7–21 days
- Notes:
- Scarification or soaking in warm water improves germination. Seeds germinate readily in warm soil temperatures.
The above propagation data sourced from Claude AI
ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months. Requires darkness. | Requires scarification. | Requires soaking 24-48 hrs; discard floaters.