Also known as Annual Bristlegrass · Common Needle-Grass · Common Needlegrass
Aristida adscensionis, commonly known as Annual-Bristle Grass, is a widespread annual grass found in arid and semi-arid regions. It is a pioneer species, often colonizing
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.
Low
25% intensity
Allow soil to dry out between waterings.
Sandy, Loam, Clay
50% intensity
Warm to Hot
75% intensity
Thrives in warm temperatures and is frost-sensitive.
Very Low
10% intensity
Prefers nutrient-poor soil; avoid fertilization.
Safety information from plant toxicity data
| Attribute | Value |
|---|---|
| Toxic for humans | No 0/5 intensity |
| Toxic for pets | No 0/5 intensity |
Key traits and growing stats from plant data
Watering, pruning, propagation, and repotting details from plant data
Water sparingly once the soil is dry. Aristida adscensionis is drought-tolerant once established and prefers drier conditions. Overwatering can lead to root rot, especially in poorly draining soils.
Allow the soil to dry out completely between waterings to mimic its native arid habitats.
Pruning is generally not required for Aristida adscensionis. As an annual, it will complete its life cycle and die back naturally.
If desired for aesthetic reasons, remove dead or unsightly clumps at the end of the growing season or before it sets seed to prevent unwanted spread.
Propagate Aristida adscensionis through seeds. Sow seeds directly into the ground in spring after the last frost. It germinates readily in warm, well-drained soil.
No special stratification or scarification is typically needed. It readily self-seeds in suitable conditions.
Repotting is not applicable as Aristida adscensionis is an annual grass that typically grows and reproduces within a single season. If grown in containers for a specific purpose, it is unlikely to require repotting due to its short life cycle and shallow root system.
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Monthly activity intensity for bloom and fruit across both hemispheres.
Flowering & fruiting calendar
Flowering & fruiting calendar
Photos of Annual-Bristle Grass (Aristida adscensionis)
Common names and botanical synonyms
Botanical classification
| Rank | Name |
|---|---|
| Kingdom | Plantae |
| Division | Tracheophyta |
| Class | Liliopsida |
| Order | Poales |
| Family | Poaceae |
| Genus | Aristida |
| Species | Aristida adscensionis |
Similar in genus Aristida
Answers based on plant encyclopedia data
