Setaria flavida, the Yellow Watercrown Grass, is a perennial grass known for its golden-yellow inflorescences, often found in wet, open habitats.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers bright, indirect light but can tolerate full sun if adequate moisture is provided. Avoid intense, direct sun for extended periods.
Moderate
50% intensity
Keep soil consistently moist but not waterlogged. Reduce watering in winter.
Clay, Loam, Sand, Silicate
50% intensity
Moderate
50% intensity
Thrives in temperatures between 18-24°C. Protect from frost and extreme cold.
Aquatic
50% intensity
Moderate
50% intensity
Feed with a balanced liquid fertilizer during the growing season (spring/summer).
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
No significant toxicity reported for pets or humans.
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water Setaria flavida regularly, especially during its active growth period in warmer months. Allow the top 2-3 cm of soil to dry out between waterings.
In winter, reduce watering frequency significantly, providing just enough to prevent the soil from completely drying out. Ensure good drainage to avoid waterlogging.
Prune Setaria flavida primarily to maintain its desired shape and size, and to remove any dead or damaged foliage. Trim back overgrown stems in late winter or early spring before new growth begins.
Deadheading spent flower stalks can prevent unwanted reseeding if it becomes a concern.
Propagate Setaria flavida through division of established clumps in spring. Carefully separate the root ball into smaller sections, ensuring each section has roots and shoots.
Replant these divisions into well-draining soil. Alternatively, it can be propagated by seed sown in spring.
Repot Setaria flavida every 2-3 years, or when the plant becomes root-bound. Choose a pot that is slightly larger than the current one, with adequate drainage holes.
Repot in spring before the active growing season commences. Use a well-draining potting mix.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Yellow Watercrown Grass (Setaria flavida)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Setaria |
| Species | Setaria flavida |
Similar in genus Setaria
Answers based on plant encyclopedia data
