Giant Three-awn (Aristida meridionalis) is a tussock-forming perennial grass native to Australia, known for its tall stature and distinctive awns. It plays a role in arid
At-a-glance light, water, soil, and growing conditions from plant data
Full Sun
100% intensity
Requires at least 6-8 hours of direct sunlight daily for optimal growth and flowering.
Drought Tolerant
25% intensity
Allow soil to dry out completely between waterings. Reduce in winter.
Sandy, Loamy, Well-drained
50% intensity
Moderate to High
75% intensity
Prefers warm to hot temperatures. Tolerant of heat and dry conditions.
Low Needs
25% intensity
Rarely needs fertilization. Minimal feeding in spring if desired.
Safety information from plant toxicity data
| Attribute | Value |
|---|
None
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Giant Three-awn is drought-tolerant once established. Water deeply but infrequently, allowing the soil to dry out completely between waterings. Reduce watering significantly during winter dormancy.
Overwatering can lead to root rot, so ensure good drainage.
Prune Giant Three-awn in late winter or early spring before new growth emerges. Cut back the previous year's foliage to about 10-15 cm above the ground.
This tidies the plant and encourages vigorous new shoot development.
Propagate Aristida meridionalis by seed or division. Sow seeds in early spring, either directly outdoors or in a greenhouse.
Established plants can be divided in early spring, separating the root ball into smaller sections for replanting.
Repotting is generally not necessary for ornamental grasses like Aristida meridionalis. If grown in containers, repot only when the plant becomes root-bound, typically every 2-3 years, into a slightly larger pot with fresh, well-draining soil.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Giant Three-Awn (Aristida meridionalis)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Aristida |
| Species | Aristida meridionalis |
Similar in genus Aristida
Answers based on plant encyclopedia data
