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Yellow sweet clover, botanically known as Melilotus officinalis, is a biennial herbaceous plant valued for its upright growth and adaptability to a wide range of conditions. It develops tall stems with trifoliate leaves and produces elongated clusters of small yellow flowers during the growing season. This plant is well suited to temperate climates and performs best in well-drained soils, tolerating poor soil conditions and moderate drought once established. Yellow sweet clover is commonly used in fields, open landscapes, and soil management planting, where it establishes readily from seeds under suitable conditions.
Features
- Biennial plant with upright, branching growth
- Produces clusters of small yellow flowers
- Adapted to a wide range of soil conditions
- Suitable for open areas and field planting
- Establishes quickly from seeds
Specifications
- Scientific name: Melilotus officinalis
- Common name (US): Yellow Sweet Clover
- Seed type / variety: Standard variety
- Growth habit: Upright biennial herb
- USDA zones: 3-9
- Planting season: Spring or fall
- Growing season: Spring to summer
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Sowing Season:
- Spring: March to May
- Fall: September to October
- Germination time and conditions: 7-14 days at 15-25°C
- Sunlight requirements: Full sun
- Soil requirements: Well-drained soil, adaptable to poor soils
- Watering needs: Low to moderate once established
- Mature plant size: 60-150 cm height, 30-60 cm spread
- Plant spacing: Broadcast sowing or 20-30 cm between plants
