Also known as Golden Oat · Golden Oat Grass · Golden Oatgrass
Yellow Oat-grass (Trisetum flavescens) is a tufted perennial grass with golden-yellow inflorescences, often found in meadows and pastures.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers full sun for best flowering, tolerates some shade.
Moderate
50% intensity
Keep soil consistently moist but not waterlogged.
Well-drained
50% intensity
Moderate
50% intensity
Prefers temperate climates, hardy to cold.
Low
25% intensity
Does not require heavy feeding; occasional spring application is sufficient.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Non-toxic
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Yellow Oat-grass prefers consistently moist soil but can tolerate short periods of dryness once established. Water deeply when the top 2-3 cm of soil feels dry, especially during hot, dry weather.
Avoid waterlogging, as this can lead to root rot. Reduce watering in cooler months.
Cut back dead or dried foliage in late winter or early spring before new growth emerges. This helps maintain a tidy appearance and prevents the accumulation of thatch.
Remove any flower stalks if seed production is not desired, though the golden plumes are attractive.
Yellow Oat-grass is easily propagated by division of established clumps in early spring or autumn. You can also sow fresh seeds outdoors in autumn or early spring.
Give seedlings adequate space to develop before transplanting.
Repotting is generally not necessary for established outdoor plants, as it is a perennial grass. If grown in a container, repot every 2-3 years in spring into a slightly larger pot with fresh, well-draining potting mix to prevent root-bound conditions and refresh nutrients.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Yellow Oat-Grass (Trisetum flavescens)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Trisetum |
| Species | Trisetum flavescens |
Similar in genus Trisetum
Answers based on plant encyclopedia data
