'Thermidrome' Organic Garlic (Autumn Planting)
'Thermidrome' gives good size (35mm+) regular white bulbs with a flavour milder than other garlic. Excellent medium strength taste that holds after cooking. More details including bulbs per kg below.
Pre-order organic planting garlic, onion sets and flower bulbs from August 2026. Stock due from Mid-September 2026. If you need other goods sooner please order those separately.

Organic Thermidrome Autumn Planting Garlic
- Overwintering planting Garlic.
- Soft neck.
- Early and high yielding.
- Excellent medium strength taste and stores well till February at least.
- Planting time: September to January – outside and in tunnel/glasshouse.
- Requires cold conditions to develop.
- Highest yields will come from Autumn plantings.
- When the first six leaves have turned yellow, lift and dry in the sun or in an airy shed.
- Harvesting June – August
Average number of bulbs
- 250g = 3-5 bulbs
- 1kg = 15-20 bulbs
- 10kg = 150-200 bulbs
(You will separate each bulb into several cloves which you plant individually. Approx. 8-12 cloves per bulb)
Hardneck varieties are more suited to cold climates, whereas softneck varieties tend to thrive in warmer environments. Ireland has a mostly temperate climate year round and with a bit of care, both soft or hardneck can be grown successfully in most places.
Reducing Disease in Garlic
Rust:
- Infection is worse on nitrogen-rich soils with low potassium, so take care with fertiliser applications.
- Do not crowd plants, as this raises humidity and increases the likelihood of infection.
- Keep well weeded.
- Dispose of all plant debris at the end of cropping.
- See Herfomyc – this is effective against any fungus on herbaceous plants. It also acts as a foliar feed so will strengthen the plant as well.
Disease Prevention (General):
- Watering: Don’t water in the evening/night as this moisture will linger overnight and allow the perfect environment for fungus to creep in – water in the morning so the plants can dry out throughout the day
- Soil: If you have heavy clay soils, you can do things like add sand,compost, and plant your garlic in mounds.
- Tools: When dealing with any type of plant disease it’s important to sterilise your tools/materials that came into contact with it.
- Crop Rotation: To prevent lots of different soil diseases, rotate your vegetable families each season.
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