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Last edited on November 02, 2026. View history

Milmore hulless barley Milmore Hulless Barley

Hordeum vulgare

A variety of barley

How to sow Milmore hulless barley: Direct seed using 15cm spacing, or broadcast and rake in

Sun requirement for Milmore hulless barley: Plant in Full Sun

A New Zealand hulless barley sown in autumn, from seed grown biodynamically for over 25 years at the Milmore Downs organic mixed-cropping farm in Canterbury. With no hulls to remove, it is used sprouted for barley cakes or in soups, and is chewier than pearl barley.

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Milmore hulless barley facts

Lifespan

Annual living and reproducing in a single year or less
Optimal temperature 15–20 °C
Absolute temperature 2–40 °C
FAO EcoCrop
Optimal rainfall 500–1000 mm/year
Absolute rainfall 200–2000 mm/year
FAO EcoCrop
Optimal soil pH 6.5–7.5
Absolute soil pH 6–8
FAO EcoCrop

Crop cycle

90–240 days
FAO EcoCrop

Max altitude

4400 m
FAO EcoCrop

Optimal light

very bright
FAO EcoCrop
What are growing degree days?

A plant grows with warmth, not with days. A growing degree day is one day's worth of useful warmth: how many degrees the day's average temperature is above the lowest temperature the crop grows at. Add them up from planting and you know how far along the crop is, whatever the calendar says.

Say that lowest temperature is 10°C. A day averaging 17°C gives 7 growing degree days. A day averaging 8°C gives none, as it is too cold for the crop to grow. That is why the same lettuce takes about 50 days in a summer and 90 in an autumn: it needs the same total warmth either way.

For Milmore hulless barley, the FAO EcoCrop database gives a lowest growing temperature of 2°C and a shortest growing cycle of 90 days at its best temperature, about 1395 growing degree days to a first harvest.

Where you've told us where your garden is, we use this and the weather there to predict when your Milmore hulless barley will be ready to harvest. We don't use it for how long a plant lives or when it finishes: we go by what members have logged for that.

Growing Milmore hulless barley

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Ecological requirements

Data from the FAO EcoCrop database for Hordeum vulgare L.

Family / Taxonomy Liliopsida
Commelinidae
Cyperales
Gramineae
Killing temperature growth: 0 °C, rest: -4 °C
Life form grass
Life span annual
Habit erect
Optimal soil depth deep (>>150 cm)
Optimal soil texture medium
Optimal soil fertility moderate
Optimal soil drainage well (dry spells)
Optimal soil salinity low (<4 dS/m)
Photoperiod neutral day (12-14 hours), long day (>14 hours)

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