Last edited on 2 Nov 2026. View history

hulless oat Hulless Oat

Avena sativa

A variety of oat

How to sow hulless oat: Direct seed/broadcast

Sun requirement for hulless oat: Plant in Full Sun

A traditional hulless oat from Canterbury, suited to bio-intensive growing but hand-harvested and hand-threshed, as threshing methods such as flails still need developing. It is a preferred carbon crop because it helps release calcium and phosphate from New Zealand soils. Sow in trays in autumn or early spring and transplant at 5 cm high, 10 cm apart on the diagonal.

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Hulless oat facts

Lifespan

Annual living and reproducing in a single year or less

Plant hulless oats with

pea

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Ecological requirements

Data from the FAO EcoCrop database for Avena sativa L.

Family / Taxonomy Liliopsida
Commelinidae
Cyperales
Gramineae
Optimal temperature 16 - 20 °C
Absolute temperature 5 - 30 °C
Killing temperature growth: -1 °C, rest: -15 °C
Optimal rainfall 600 - 1000 mm/year
Absolute rainfall 250 - 1500 mm/year
Optimal soil pH 5.0 - 6.0
Absolute soil pH 4.5 - 7.5
Crop cycle 110 - 270 days
Life form grass
Life span annual
Habit erect
Optimal soil depth medium (50-150 cm)
Optimal soil texture heavy, medium, light
Optimal soil fertility high
Optimal soil drainage well (dry spells)
Optimal soil salinity low (<4 dS/m)
Photoperiod neutral day (12-14 hours), long day (>14 hours)
Optimal light very bright

Licensed under CC-BY-4.0 .

Food and Agriculture Organization of the United Nations (2025) ECOCROP, the crop ecological requirements database. Version 1. https://data.apps.fao.org/catalog/dataset/ecocrop. Accessed through the CGIAR Climate Action Data Hub, https://cgiar-climate-data-hub.github.io/catalog/ecocrop_1/.

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