Tall oat grass (Arrhenatherum album) is a tufted perennial grass with slender, erect stems and narrow leaves, often used for ornamental purposes.
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun to Partial Shade
75% intensity
Prefers at least 6 hours of direct sunlight daily, but tolerates some shade.
Moderate
50% intensity
Allow soil to dry slightly between waterings; drought-tolerant once established.
Well-drained
50% intensity
Moderate
50% intensity
Hardy in temperate climates, tolerates a range of temperatures.
Low
25% intensity
Generally not needed; can benefit from light feeding if growth is poor.
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
Tall oat grass prefers well-drained soil and is drought-tolerant once established. Water moderately during prolonged dry spells, especially in hot weather. Avoid overwatering, as this can lead to root rot.
Allow the soil surface to dry slightly between waterings for optimal health.
Cut back dead or damaged foliage in late winter or early spring before new growth emerges. Remove spent flower stalks after blooming if desired to maintain a tidy appearance.
Generally, pruning is minimal, mainly for tidiness and removing winter-killed material.
Tall oat grass can be easily propagated by division of established clumps in spring or early autumn. Sow seeds directly outdoors in spring or autumn.
It readily self-seeds in favorable conditions, so be mindful of its spread.
Repotting is generally not applicable for this perennial grass as it is typically grown in the ground. If grown in containers, repot in spring if the plant becomes root-bound, using a well-draining potting mix.
Ensure the new pot is only slightly larger than the current one.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Tall Oat Grass (Arrhenatherum album)
Where Tall Oat Grass (Arrhenatherum album) is found
Density
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Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Arrhenatherum |
| Species | Arrhenatherum album |
Similar in genus Arrhenatherum
Answers based on plant encyclopedia data
