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Last edited by shiny on November 07, 2026. View history

Soft Neck Garlic

No scientific name recorded

A variety of garlic

Garlic (Allium sativum) is a species of bulbous flowering plants in the genus Allium. Its close relatives include the onion, shallot, leek, chives, Welsh onion, and Chinese onion. Garlic is native to Central Asia, northeastern Iran[1][4] and the foothills of Himalayas. It has naturalized in many other parts of the world, including Mediterranean Europe and China.

2
plantings
2
harvests
1
seed packet
Growstuff is a free, community-run site for people who grow food. Keep track of what you plant and harvest, find seeds to swap, and see what is growing near you. Join to record your own soft neck garlic.

Soft neck garlic facts

Lifespan

Annual living and reproducing in a single year or less
37 weeks median lifespan
First harvest expected 35 weeks after planting

Row Spacing

10cm median of members' seed packets

When to sow

Southern hemisphere Mar–Jul
Northern hemisphere Sep–Jan
median of members' seed packets

Grown for

bulb harvested 2 times
Optimal temperature 18–30 °C
Absolute temperature 7–35 °C
FAO EcoCrop
Optimal rainfall 750–1600 mm/year
Absolute rainfall 500–2700 mm/year
FAO EcoCrop
Optimal soil pH 6–6.6
Absolute soil pH 5–8.5
FAO EcoCrop

Crop cycle

90–120 days
FAO EcoCrop

Max altitude

2200 m
FAO EcoCrop

Optimal light

clear skies
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 soft neck garlic, the FAO EcoCrop database gives a lowest growing temperature of 7°C and a shortest growing cycle of 90 days at its best temperature, about 1530 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 soft neck garlic 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 soft neck garlic

  1. Dig compost into the bed 2 weeks before planting out
  2. Mulch the bed 2 weeks after planting out
  3. Weed around the plants 4 weeks after planting out every month
  4. Water in dry weather 8 weeks after planting out every 2 weeks
  5. Snip off the flower stems 3 weeks before first harvest
  6. Stop watering 2 weeks before first harvest
  7. Lift the bulbs at first harvest
  8. Dry the bulbs in a shaded, airy place 1 week after first harvest
  9. Keep the best bulbs for replanting 2 weeks after first harvest

How members grow soft neck garlic

Sunniness

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Planted from

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Harvested for

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Plant soft neck garlic with

Photos

Soft neck garlic plantings

IMG_20190825_082008
IMG_20190825_082008
by shiny

Soft neck garlic harvests

2020-01-06_09-31-21
2020-01-06_09-31-21
by shiny
2019-12-27_06-46-19
2019-12-27_06-46-19
by shiny
IMG_20191215_220421
IMG_20191215_220421
by shiny

Soft neck garlic seeds

heirloom softneck garlic
heirloom softneck garlic
by shiny
IMG_20190409_182834
IMG_20190409_182834
by shiny

Video

Where soft neck garlic grow

Only plantings by members who have set their locations are shown.

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Who's planted soft neck garlic

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Soft neck garlic harvests

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Find soft neck garlic seeds

Time to harvest

If sown now, expect a first harvest in about 90 to 120 days.

From the growing cycle in the FAO EcoCrop database, which is the same wherever it is grown.

Ecological requirements

Data from the FAO EcoCrop database for Allium sativum L.

Family / Taxonomy Liliopsida
Liliidae
Asparagales
Alliaceae
Killing temperature growth: -5 °C, rest: -5 °C
Life form herb
Life span biennial
Habit erect
Optimal soil depth medium (50-150 cm)
Optimal soil texture medium, light
Optimal soil fertility high
Optimal soil drainage well (dry spells)
Optimal soil salinity low (<4 dS/m)
Photoperiod long day (>14 hours)

Learn more about soft neck garlic

Resources outside Growstuff.